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rule explanations, example sentences, exceptions, and exercise prompts. It organizes the source HTML alongside document overviews, structured grammar sections, and rule records, with supervision for semantic explanations, rule applicability judgments, and cross-paragraph question answering. It supports training models to interpret grammar concepts in context and developing German learning assistants and document question-answering systems.\u003C\u002Fp>","2026-10-15 18:05:21","2026-10-19 17:19:30","0.00",0,5000,"German grammar dataset,German teaching web pages,German grammar SFT,German learning corpus,grammar rule understanding,document QA data,semantic understanding training,German education AI","German grammar web-document SFT data with rules, examples, applicability judgments, semantic explanations, and cross-paragraph QA supervision.","JSON","0.4GB","German language learning, grammar instruction, intelligent language tutoring","grammatical rule understanding, grammar correctness judgment, cross-paragraph question answering","V1.0","rivo\u002Fsample-packages\u002Fba6eb84f-b64d-4338-9680-2a5b02337d6c\u002F20261015.zip",[583,588,593,599,604,610,615,620],{"id":572,"name":584,"field":585,"intro":586,"type":587},"File Name","file_name","File name","string",{"id":589,"name":590,"field":591,"intro":592,"type":587},9016,"Raw Web Page HTML","source_html","The original HTML content of a German grammar teaching page, provided as the raw input for data processing.",{"id":594,"name":595,"field":596,"intro":597,"type":598},9017,"Structured Grammar Rules","grammar_rules","German grammar rules extracted from the instructional document, including applicability conditions, exceptions, example sentences, and exercise prompts.","array",{"id":600,"name":601,"field":602,"intro":603,"type":598},9018,"Grammar Instruction Sections","grammar_sections","Instructional sections segmented and structured in the original page order, preserving their content and teaching function.",{"id":605,"name":606,"field":607,"intro":608,"type":609},9019,"Document Overview","document_overview","An overview extracted from the source page, including its title, grammar topic, learner level, document language, and overall summary.","object",{"id":611,"name":612,"field":613,"intro":614,"type":598},9020,"Cross-Paragraph QA Supervision","cross_paragraph_qa","Questions requiring information from multiple instructional sections, paired with answers, supporting section references, and reasoning.",{"id":616,"name":617,"field":618,"intro":619,"type":598},9021,"Semantic Explanations","semantic_explanations","Chinese-language semantic explanations of rules, examples, or key expressions, including interpretations grounded in context.",{"id":621,"name":622,"field":623,"intro":624,"type":598},9022,"Rule Applicability Judgments","rule_applicability_judgments","Judgments on whether a rule applies to a specific German sentence or context, with supporting rationale and confidence.",[626,630,634,638],{"id":627,"question":628,"answer":629},6395,"What does the dataset contain?","It includes source HTML from German grammar teaching pages, document overviews, structured instructional sections, and grammar rules. It also provides semantic explanations, rule applicability judgments, and cross-paragraph question-answer supervision.",{"id":631,"question":632,"answer":633},6396,"Which model capabilities can it support?","The data can support training models to parse instructional documents, explain German grammar and examples, judge whether a rule applies in a given context, and answer questions that require information from multiple sections.",{"id":635,"question":636,"answer":637},6397,"Where can I find the dataset size and quality metrics?","The available description does not specify a sample count or standardized quality metrics. Before purchase or use, check the product listing for dataset size, sample records, field specifications, and availability details.",{"id":639,"question":640,"answer":641},6398,"How is the dataset accessed, and what are the licensing terms?","Refer to the product listing for access instructions, license terms, and usage restrictions. Before commercial deployment, redistribution, or model training, verify the permitted uses and rights applicable to the web content.",[643,658,670],{"id":644,"relate_table":645,"relate_id":646,"file_size":572,"file_name":647,"path":8,"duration":572,"cate":483,"file_format":648,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":649,"cate_name":650,"source_html":651,"grammar_rules":652,"grammar_sections":653,"document_overview":654,"cross_paragraph_qa":655,"semantic_explanations":656,"rule_applicability_judgments":657},15108,"union_cubo",1773068359,"样例_3.json","json","{\"source_html\": \"\u003Chtml>\u003Chead>\u003Ctitle>Das Perfekt mit haben und sein\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Das Perfekt mit haben und sein\u003C\u002Fh1>\u003Cp>Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\u003C\u002Fp>\u003Ch2>Wann verwendet man haben?\u003C\u002Fh2>\u003Cp>haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\u003C\u002Fp>\u003Ch2>Wann verwendet man sein?\u003C\u002Fh2>\u003Cp>sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\u003C\u002Fp>\u003Ch2>Besonderheiten der Bewegungsverben\u003C\u002Fh2>\u003Cp>Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\u003C\u002Fp>\u003Ch2>Nebensätze und Übung\u003C\u002Fh2>\u003Cp>Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>\", \"grammar_rules\": \"[{\\\"rule_statement\\\": \\\"Das Perfekt wird mit einem konjugierten Hilfsverb und dem Partizip II gebildet; im Hauptsatz steht das Hilfsverb auf Position zwei und das Partizip II am Satzende.\\\", \\\"applicability_conditions\\\": [\\\"Expressing an event completed in the past or relevant to the present\\\", \\\"Requires an auxiliary verb conjugated in the present tense and a past participle (Partizip II)\\\", \\\"When the sentence is a main clause, the auxiliary usually stands in second position\\\"], \\\"exception_conditions\\\": [\\\"In a subordinate clause, the conjugated auxiliary moves to the end of the clause instead of remaining in the main-clause second position\\\", \\\"In spoken language, fronting of sentence elements may change the surface position, but the auxiliary is still the finite verb\\\"], \\\"example_sentences\\\": [\\\"Ich habe einen Brief geschrieben. (I have written a letter.)\\\", \\\"Wir sind nach Berlin gefahren. (We went to Berlin.)\\\"], \\\"practice_hints\\\": [\\\"First identify the Partizip II, then decide whether haben or sein is needed\\\", \\\"Check the position of the conjugated auxiliary in the main clause and in the weil-clause separately\\\"]}, {\\\"rule_statement\\\": \\\"haben is used with most verbs, especially transitive verbs that take a direct object and reflexive verbs.\\\", \\\"applicability_conditions\\\": [\\\"The verb takes a direct object\\\", \\\"The verb is reflexive\\\", \\\"The verb does not express a typical change of place or state\\\"], \\\"exception_conditions\\\": [\\\"Some verbs of movement use sein when emphasizing the subject's own change of place\\\", \\\"The specific auxiliary may also be influenced by dialect or fixed usage; this page follows standard pedagogical usage\\\"], \\\"example_sentences\\\": [\\\"Ich habe einen Brief geschrieben. (I have written a letter.)\\\", \\\"Sie hat sich gewaschen. (She washed herself.)\\\", \\\"Ich habe das Auto gefahren. (I drove the car.)\\\"], \\\"practice_hints\\\": [\\\"Check whether the verb has an accusative direct object\\\", \\\"The reflexive pronoun sich does not imply a change of place; reflexive verbs usually use haben\\\"]}, {\\\"rule_statement\\\": \\\"sein is often used with intransitive verbs that express a change of place or state of the subject, and also with verbs that consistently take sein, such as sein, werden, and bleiben.\\\", \\\"applicability_conditions\\\": [\\\"The subject itself undergoes a change of place\\\", \\\"The subject's state changes\\\", \\\"The verb is one that consistently uses sein, such as sein, werden, or bleiben\\\"], \\\"exception_conditions\\\": [\\\"Movement verbs such as fahren and fliegen can use haben when they take a direct object\\\", \\\"Not all verbs related to the concept of movement automatically use sein; one must consider the verb's valency and the meaning of the sentence\\\"], \\\"example_sentences\\\": [\\\"Wir sind nach Berlin gefahren. (We went to Berlin.)\\\", \\\"Er ist eingeschlafen. (He fell asleep.)\\\", \\\"Sie ist zu Hause geblieben. (She stayed at home.)\\\"], \\\"practice_hints\\\": [\\\"Determine whether the subject itself moves or the subject operates on an object\\\", \\\"Compare the semantic difference between Ich bin nach Berlin gefahren and Ich habe das Auto gefahren\\\"]}]\", \"grammar_sections\": \"[{\\\"section_title\\\": \\\"Aufbau des Perfekts\\\", \\\"paragraph_index\\\": 0, \\\"section_content\\\": \\\"Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Verwendung von haben\\\", \\\"paragraph_index\\\": 1, \\\"section_content\\\": \\\"haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Verwendung von sein\\\", \\\"paragraph_index\\\": 2, \\\"section_content\\\": \\\"sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Besonderheiten der Bewegungsverben\\\", \\\"paragraph_index\\\": 3, \\\"section_content\\\": \\\"Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\\\", \\\"section_role\\\": \\\"Exception explanation\\\"}, {\\\"section_title\\\": \\\"Nebensätze und Übung\\\", \\\"paragraph_index\\\": 4, \\\"section_content\\\": \\\"Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\\\", \\\"section_role\\\": \\\"Practice hint\\\"}]\", \"document_overview\": \"{\\\"page_title\\\": \\\"Das Perfekt mit haben und sein\\\", \\\"grammar_topic\\\": \\\"Formation of the German perfect tense and the choice between haben and sein\\\", \\\"learner_level\\\": \\\"A2\\\", \\\"document_language\\\": \\\"Deutsch\\\", \\\"overview_summary\\\": \\\"This article explains the basic structure of the German Perfekt, the choice between the auxiliary verbs haben and sein, and word order in main and subordinate clauses. haben is used with most verbs, especially transitive and reflexive verbs; sein is often used with intransitive verbs expressing a change of place or state, and also with sein, werden, and bleiben. The page also uses different meanings of fahren to show that the choice of auxiliary depends on the semantics and valency of the verb.\\\"}\", \"cross_paragraph_qa\": \"[{\\\"question\\\": \\\"Why does Wir sind nach Berlin gefahren use sein, while Ich habe das Auto gefahren uses haben?\\\", \\\"answer\\\": \\\"In the first sentence, fahren is used intransitively, and the subject wir itself undergoes a change of place to Berlin, so sein is used; in the second sentence, fahren takes the direct object das Auto and expresses the transitive action of driving a car, so haben is used. The choice of auxiliary depends on the verb's valency and specific meaning, not merely on the dictionary form of the verb.\\\", \\\"evidence_paragraphs\\\": [1, 2, 3], \\\"reasoning\\\": \\\"Paragraph 1 explains that transitive verbs usually use haben, paragraph 2 explains that a change of place of the subject uses sein, and paragraph 3 uses two example sentences with fahren to show that the same verb selects different auxiliaries depending on meaning and object.\\\"}, {\\\"question\\\": \\\"How is the Perfekt form of the weil-clause Ich habe einen Brief geschrieben formed?\\\", \\\"answer\\\": \\\"First use haben as the conjugated auxiliary, then use geschrieben, the past participle of schreiben. In the main clause one says Ich habe einen Brief geschrieben; when placed in a weil-clause, the conjugated auxiliary moves to the end of the clause, forming weil ich einen Brief geschrieben habe.\\\", \\\"evidence_paragraphs\\\": [0, 1, 4], \\\"reasoning\\\": \\\"Paragraph 0 gives the structure of the Perfekt as auxiliary plus Partizip II, paragraph 1 confirms that schreiben uses haben, and paragraph 4 explains that in a subordinate clause the conjugated auxiliary is at the end.\\\"}]\", \"semantic_explanations\": \"[{\\\"target_expression\\\": \\\"Ich habe einen Brief geschrieben\\\", \\\"semantic_explanation\\\": \\\"This sentence uses haben plus the Partizip II geschrieben to form the Perfekt. schreiben is a transitive verb and its direct object is einen Brief, so haben is used.\\\", \\\"contextual_meaning\\\": \\\"The sentence means 'I have written a letter'; the object of the action is clearly the letter, and the subject does not undergo a change of place.\\\", \\\"key_terms\\\": [\\\"Perfekt\\\", \\\"Hilfsverb\\\", \\\"Partizip II\\\", \\\"transitives Verb\\\"]}, {\\\"target_expression\\\": \\\"Wir sind nach Berlin gefahren\\\", \\\"semantic_explanation\\\": \\\"sein and the Partizip II gefahren form the Perfekt. Here fahren is used intransitively, and the subject wir undergoes a change of place to Berlin.\\\", \\\"contextual_meaning\\\": \\\"The focus is not on driving an object but on saying that the subject moves from its original location to Berlin, so sein is used.\\\", \\\"key_terms\\\": [\\\"Ortsveränderung\\\", \\\"intransitives Verb\\\", \\\"sein\\\"]}, {\\\"target_expression\\\": \\\"Ich habe das Auto gefahren\\\", \\\"semantic_explanation\\\": \\\"Although fahren is usually associated with movement, here it has the direct object das Auto and expresses the transitive action of driving a car, so haben is used.\\\", \\\"contextual_meaning\\\": \\\"Compared with Ich bin nach Berlin gefahren, this sentence emphasizes that the object the subject operates is the car rather than the subject itself arriving somewhere.\\\", \\\"key_terms\\\": [\\\"fahren\\\", \\\"Akkusativobjekt\\\", \\\"Bedeutungsunterschied\\\"]}]\", \"rule_applicability_judgments\": \"[{\\\"sentence\\\": \\\"Ich habe einen Brief geschrieben.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"The Perfekt is formed with haben and the Partizip II geschrieben; schreiben takes the direct object einen Brief, which matches the condition that transitive verbs usually use haben.\\\", \\\"applicable_rule_statement\\\": \\\"haben is used especially with transitive verbs that take a direct object.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Wir sind nach Berlin gefahren.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"In this sentence fahren expresses that the subject itself undergoes a change of place to Berlin and there is no direct object, so sein is used.\\\", \\\"applicable_rule_statement\\\": \\\"Intransitive verbs expressing a change of place of the subject usually use sein.\\\", \\\"confidence\\\": 0.98}, {\\\"sentence\\\": \\\"Ich habe das Auto gefahren.\\\", \\\"is_applicable\\\": false, \\\"judgment_explanation\\\": \\\"If the criterion being judged is that sein is used for the subject's own change of place, then this sentence does not apply, because fahren has the direct object das Auto and expresses the object being driven; standard pedagogical usage uses haben.\\\", \\\"applicable_rule_statement\\\": \\\"When a movement verb takes a direct object and expresses an object being operated, it can be used transitively with haben.\\\", \\\"confidence\\\": 0.97}, {\\\"sentence\\\": \\\"..., weil ich einen Brief geschrieben habe.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"This sentence is a weil-clause; the Perfekt auxiliary habe is at the end of the subordinate clause, and the Partizip II geschrieben precedes it, which conforms to perfect tense word order in a subordinate clause.\\\", \\\"applicable_rule_statement\\\": \\\"In a Perfekt subordinate clause, the conjugated auxiliary is at the end of the clause.\\\", \\\"confidence\\\": 0.99}]\"}","文本","\u003Chtml>\u003Chead>\u003Ctitle>Das Perfekt mit haben und sein\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Das Perfekt mit haben und sein\u003C\u002Fh1>\u003Cp>Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\u003C\u002Fp>\u003Ch2>Wann verwendet man haben?\u003C\u002Fh2>\u003Cp>haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\u003C\u002Fp>\u003Ch2>Wann verwendet man sein?\u003C\u002Fh2>\u003Cp>sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\u003C\u002Fp>\u003Ch2>Besonderheiten der Bewegungsverben\u003C\u002Fh2>\u003Cp>Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\u003C\u002Fp>\u003Ch2>Nebensätze und Übung\u003C\u002Fh2>\u003Cp>Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>","[{\"rule_statement\": \"Das Perfekt wird mit einem konjugierten Hilfsverb und dem Partizip II gebildet; im Hauptsatz steht das Hilfsverb auf Position zwei und das Partizip II am Satzende.\", \"applicability_conditions\": [\"Expressing an event completed in the past or relevant to the present\", \"Requires an auxiliary verb conjugated in the present tense and a past participle (Partizip II)\", \"When the sentence is a main clause, the auxiliary usually stands in second position\"], \"exception_conditions\": [\"In a subordinate clause, the conjugated auxiliary moves to the end of the clause instead of remaining in the main-clause second position\", \"In spoken language, fronting of sentence elements may change the surface position, but the auxiliary is still the finite verb\"], \"example_sentences\": [\"Ich habe einen Brief geschrieben. (I have written a letter.)\", \"Wir sind nach Berlin gefahren. (We went to Berlin.)\"], \"practice_hints\": [\"First identify the Partizip II, then decide whether haben or sein is needed\", \"Check the position of the conjugated auxiliary in the main clause and in the weil-clause separately\"]}, {\"rule_statement\": \"haben is used with most verbs, especially transitive verbs that take a direct object and reflexive verbs.\", \"applicability_conditions\": [\"The verb takes a direct object\", \"The verb is reflexive\", \"The verb does not express a typical change of place or state\"], \"exception_conditions\": [\"Some verbs of movement use sein when emphasizing the subject's own change of place\", \"The specific auxiliary may also be influenced by dialect or fixed usage; this page follows standard pedagogical usage\"], \"example_sentences\": [\"Ich habe einen Brief geschrieben. (I have written a letter.)\", \"Sie hat sich gewaschen. (She washed herself.)\", \"Ich habe das Auto gefahren. (I drove the car.)\"], \"practice_hints\": [\"Check whether the verb has an accusative direct object\", \"The reflexive pronoun sich does not imply a change of place; reflexive verbs usually use haben\"]}, {\"rule_statement\": \"sein is often used with intransitive verbs that express a change of place or state of the subject, and also with verbs that consistently take sein, such as sein, werden, and bleiben.\", \"applicability_conditions\": [\"The subject itself undergoes a change of place\", \"The subject's state changes\", \"The verb is one that consistently uses sein, such as sein, werden, or bleiben\"], \"exception_conditions\": [\"Movement verbs such as fahren and fliegen can use haben when they take a direct object\", \"Not all verbs related to the concept of movement automatically use sein; one must consider the verb's valency and the meaning of the sentence\"], \"example_sentences\": [\"Wir sind nach Berlin gefahren. (We went to Berlin.)\", \"Er ist eingeschlafen. (He fell asleep.)\", \"Sie ist zu Hause geblieben. (She stayed at home.)\"], \"practice_hints\": [\"Determine whether the subject itself moves or the subject operates on an object\", \"Compare the semantic difference between Ich bin nach Berlin gefahren and Ich habe das Auto gefahren\"]}]","[{\"section_title\": \"Aufbau des Perfekts\", \"paragraph_index\": 0, \"section_content\": \"Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Verwendung von haben\", \"paragraph_index\": 1, \"section_content\": \"haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Verwendung von sein\", \"paragraph_index\": 2, \"section_content\": \"sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Besonderheiten der Bewegungsverben\", \"paragraph_index\": 3, \"section_content\": \"Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\", \"section_role\": \"Exception explanation\"}, {\"section_title\": \"Nebensätze und Übung\", \"paragraph_index\": 4, \"section_content\": \"Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\", \"section_role\": \"Practice hint\"}]","{\"page_title\": \"Das Perfekt mit haben und sein\", \"grammar_topic\": \"Formation of the German perfect tense and the choice between haben and sein\", \"learner_level\": \"A2\", \"document_language\": \"Deutsch\", \"overview_summary\": \"This article explains the basic structure of the German Perfekt, the choice between the auxiliary verbs haben and sein, and word order in main and subordinate clauses. haben is used with most verbs, especially transitive and reflexive verbs; sein is often used with intransitive verbs expressing a change of place or state, and also with sein, werden, and bleiben. The page also uses different meanings of fahren to show that the choice of auxiliary depends on the semantics and valency of the verb.\"}","[{\"question\": \"Why does Wir sind nach Berlin gefahren use sein, while Ich habe das Auto gefahren uses haben?\", \"answer\": \"In the first sentence, fahren is used intransitively, and the subject wir itself undergoes a change of place to Berlin, so sein is used; in the second sentence, fahren takes the direct object das Auto and expresses the transitive action of driving a car, so haben is used. The choice of auxiliary depends on the verb's valency and specific meaning, not merely on the dictionary form of the verb.\", \"evidence_paragraphs\": [1, 2, 3], \"reasoning\": \"Paragraph 1 explains that transitive verbs usually use haben, paragraph 2 explains that a change of place of the subject uses sein, and paragraph 3 uses two example sentences with fahren to show that the same verb selects different auxiliaries depending on meaning and object.\"}, {\"question\": \"How is the Perfekt form of the weil-clause Ich habe einen Brief geschrieben formed?\", \"answer\": \"First use haben as the conjugated auxiliary, then use geschrieben, the past participle of schreiben. In the main clause one says Ich habe einen Brief geschrieben; when placed in a weil-clause, the conjugated auxiliary moves to the end of the clause, forming weil ich einen Brief geschrieben habe.\", \"evidence_paragraphs\": [0, 1, 4], \"reasoning\": \"Paragraph 0 gives the structure of the Perfekt as auxiliary plus Partizip II, paragraph 1 confirms that schreiben uses haben, and paragraph 4 explains that in a subordinate clause the conjugated auxiliary is at the end.\"}]","[{\"target_expression\": \"Ich habe einen Brief geschrieben\", \"semantic_explanation\": \"This sentence uses haben plus the Partizip II geschrieben to form the Perfekt. schreiben is a transitive verb and its direct object is einen Brief, so haben is used.\", \"contextual_meaning\": \"The sentence means 'I have written a letter'; the object of the action is clearly the letter, and the subject does not undergo a change of place.\", \"key_terms\": [\"Perfekt\", \"Hilfsverb\", \"Partizip II\", \"transitives Verb\"]}, {\"target_expression\": \"Wir sind nach Berlin gefahren\", \"semantic_explanation\": \"sein and the Partizip II gefahren form the Perfekt. Here fahren is used intransitively, and the subject wir undergoes a change of place to Berlin.\", \"contextual_meaning\": \"The focus is not on driving an object but on saying that the subject moves from its original location to Berlin, so sein is used.\", \"key_terms\": [\"Ortsveränderung\", \"intransitives Verb\", \"sein\"]}, {\"target_expression\": \"Ich habe das Auto gefahren\", \"semantic_explanation\": \"Although fahren is usually associated with movement, here it has the direct object das Auto and expresses the transitive action of driving a car, so haben is used.\", \"contextual_meaning\": \"Compared with Ich bin nach Berlin gefahren, this sentence emphasizes that the object the subject operates is the car rather than the subject itself arriving somewhere.\", \"key_terms\": [\"fahren\", \"Akkusativobjekt\", \"Bedeutungsunterschied\"]}]","[{\"sentence\": \"Ich habe einen Brief geschrieben.\", \"is_applicable\": true, \"judgment_explanation\": \"The Perfekt is formed with haben and the Partizip II geschrieben; schreiben takes the direct object einen Brief, which matches the condition that transitive verbs usually use haben.\", \"applicable_rule_statement\": \"haben is used especially with transitive verbs that take a direct object.\", \"confidence\": 0.99}, {\"sentence\": \"Wir sind nach Berlin gefahren.\", \"is_applicable\": true, \"judgment_explanation\": \"In this sentence fahren expresses that the subject itself undergoes a change of place to Berlin and there is no direct object, so sein is used.\", \"applicable_rule_statement\": \"Intransitive verbs expressing a change of place of the subject usually use sein.\", \"confidence\": 0.98}, {\"sentence\": \"Ich habe das Auto gefahren.\", \"is_applicable\": false, \"judgment_explanation\": \"If the criterion being judged is that sein is used for the subject's own change of place, then this sentence does not apply, because fahren has the direct object das Auto and expresses the object being driven; standard pedagogical usage uses haben.\", \"applicable_rule_statement\": \"When a movement verb takes a direct object and expresses an object being operated, it can be used transitively with haben.\", \"confidence\": 0.97}, {\"sentence\": \"..., weil ich einen Brief geschrieben habe.\", \"is_applicable\": true, \"judgment_explanation\": \"This sentence is a weil-clause; the Perfekt auxiliary habe is at the end of the subordinate clause, and the Partizip II geschrieben precedes it, which conforms to perfect tense word order in a subordinate clause.\", \"applicable_rule_statement\": \"In a Perfekt subordinate clause, the conjugated auxiliary is at the end of the clause.\", \"confidence\": 0.99}]",{"id":659,"relate_table":645,"relate_id":660,"file_size":572,"file_name":661,"path":8,"duration":572,"cate":483,"file_format":648,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":662,"cate_name":650,"source_html":663,"grammar_rules":664,"grammar_sections":665,"document_overview":666,"cross_paragraph_qa":667,"semantic_explanations":668,"rule_applicability_judgments":669},15107,236274595,"样例_2.json","{\"source_html\": \"\u003Chtml>\u003Chead>\u003Ctitle>Adjektivdeklination nach Artikeln\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Adjektivdeklination nach Artikeln\u003C\u002Fh1>\u003Cp>Die Endung eines attributiven Adjektivs hängt vom Artikel, vom Kasus, vom Genus und vom Numerus ab.\u003C\u002Fp>\u003Ch2>Nach dem bestimmten Artikel\u003C\u002Fh2>\u003Cp>Nach der bestimmte Artikelwortgruppe trägt das Adjektiv meistens die schwache Endung. Im Nominativ Singular stehen zum Beispiel der gute Mann, die gute Frau und das gute Kind. In den meisten anderen Formen steht -en.\u003C\u002Fp>\u003Ch2>Nach dem unbestimmten Artikel\u003C\u002Fh2>\u003Cp>Nach ein, eine oder kein zeigt das Adjektiv die Information, die am Artikel fehlt: ein guter Mann, ein gutes Kind, eine gute Frau, aber einen guten Mann.\u003C\u002Fp>\u003Ch2>Ohne Artikel und prädikativ\u003C\u002Fh2>\u003Cp>Ohne Artikel trägt das Adjektiv die starke Endung: guter Wein, kaltes Wasser. Nach sein steht das Adjektiv prädikativ und erhält keine Endung: Das Wasser ist kalt.\u003C\u002Fp>\u003Ch2>Übung\u003C\u002Fh2>\u003Cp>Bestimme Kasus und Genus und ergänze danach die passende Adjektivendung.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>\", \"grammar_rules\": \"[{\\\"rule_statement\\\": \\\"Nach einem bestimmten Artikel wie der, die oder das steht das attributive Adjektiv im Nominativ Singular meist mit der schwachen Endung -e; in den meisten übrigen Formen steht -en.\\\", \\\"applicability_conditions\\\": [\\\"das Adjektiv steht vor einem Substantiv\\\", \\\"ein bestimmter Artikel oder eine entsprechende Artikelwortgruppe steht vor dem Adjektiv\\\", \\\"Kasus, Genus und Numerus des Bezugsworts sind bestimmt\\\"], \\\"exception_conditions\\\": [\\\"Die Endung richtet sich im vollständigen Paradigma weiterhin nach Kasus, Genus und Numerus; -e gilt nicht für jede Form\\\", \\\"Bei prädikativem Gebrauch nach sein steht keine attributive Endung\\\"], \\\"example_sentences\\\": [\\\"Der gute Mann hilft dem Kind. (This kind man helps the child.)\\\", \\\"Die gute Frau liest ein Buch. (This kind woman is reading a book.)\\\", \\\"Ich sehe den guten Mann. (I see that kind man.)\\\"], \\\"practice_hints\\\": [\\\"First identify the definite article and the case of the noun, then decide whether it is nominative singular or another form\\\", \\\"In particular, compare the case change in der gute Mann and den guten Mann\\\"]}, {\\\"rule_statement\\\": \\\"Nach einem unbestimmten Artikel oder einem Possessiv- beziehungsweise Negativartikel zeigt das Adjektiv häufig die fehlende Genus- oder Kasusinformation durch eine starke Endung.\\\", \\\"applicability_conditions\\\": [\\\"ein, eine, kein, or a corresponding possessive determiner appears before it\\\", \\\"The determiner does not clearly mark all gender and case information\\\", \\\"The adjective is used attributively before a noun\\\"], \\\"exception_conditions\\\": [\\\"In forms already clearly marked by the determiner, the adjective can take a weak ending, as with -en in einen guten Mann\\\", \\\"Predicative adjectives are not subject to the attributive adjective ending rules\\\"], \\\"example_sentences\\\": [\\\"Ein guter Mann hilft mir. (A kind man helps me.)\\\", \\\"Ein gutes Kind spielt im Garten. (A good child is playing in the garden.)\\\", \\\"Ich sehe einen guten Mann. (I see a kind man.)\\\"], \\\"practice_hints\\\": [\\\"Observe whether the ein-type determiner already marks the gender and case of the noun\\\", \\\"Compare ein guter Mann with einen guten Mann as a pair; change the case first, then determine the ending\\\"]}, {\\\"rule_statement\\\": \\\"Ohne Artikel steht attributives Adjektiv häufig mit einer starken Endung, während ein prädikatives Adjektiv nach sein keine Endung erhält.\\\", \\\"applicability_conditions\\\": [\\\"When an articleless adjective directly precedes a noun, it takes a strong ending\\\", \\\"When an adjective follows sein and is predicative, it is not an attributive modifier before a noun\\\", \\\"The ending must carry the information of gender, case, and number\\\"], \\\"exception_conditions\\\": [\\\"The specific strong ending is still determined by case, gender, and number and cannot be remembered as a single form\\\", \\\"This rule does not mean that all adjectives after a verb have no ending; one must first confirm whether it is a predicative structure\\\"], \\\"example_sentences\\\": [\\\"Guter Wein passt zu diesem Essen. (Good wine goes well with this dish.)\\\", \\\"Kaltes Wasser steht auf dem Tisch. (Cold water is on the table.)\\\", \\\"Das Wasser ist kalt. (The water is cold.)\\\"], \\\"practice_hints\\\": [\\\"Distinguish whether the adjective is attributive before a noun or predicative after sein\\\", \\\"For articleless phrases, first determine the case, gender, and number of the noun, then choose the strong ending\\\"]}]\", \"grammar_sections\": \"[{\\\"section_title\\\": \\\"Grundprinzip\\\", \\\"paragraph_index\\\": 0, \\\"section_content\\\": \\\"Die Endung eines attributiven Adjektivs hängt vom Artikel, vom Kasus, vom Genus und vom Numerus ab.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Nach dem bestimmten Artikel\\\", \\\"paragraph_index\\\": 1, \\\"section_content\\\": \\\"Nach der bestimmten Artikelwortgruppe trägt das Adjektiv meistens die schwache Endung. Im Nominativ Singular stehen zum Beispiel der gute Mann, die gute Frau und das gute Kind. In den meisten anderen Formen steht -en.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Nach dem unbestimmten Artikel\\\", \\\"paragraph_index\\\": 2, \\\"section_content\\\": \\\"Nach ein, eine oder kein zeigt das Adjektiv die Information, die am Artikel fehlt: ein guter Mann, ein gutes Kind, eine gute Frau, aber einen guten Mann.\\\", \\\"section_role\\\": \\\"Example explanation\\\"}, {\\\"section_title\\\": \\\"Ohne Artikel und prädikativ\\\", \\\"paragraph_index\\\": 3, \\\"section_content\\\": \\\"Ohne Artikel trägt das Adjektiv die starke Endung: guter Wein, kaltes Wasser. Nach sein steht das Adjektiv prädikativ und erhält keine Endung: Das Wasser ist kalt.\\\", \\\"section_role\\\": \\\"Exception explanation\\\"}, {\\\"section_title\\\": \\\"Übung\\\", \\\"paragraph_index\\\": 4, \\\"section_content\\\": \\\"Bestimme Kasus und Genus und ergänze danach die passende Adjektivendung.\\\", \\\"section_role\\\": \\\"Practice hint\\\"}]\", \"document_overview\": \"{\\\"page_title\\\": \\\"Adjektivdeklination nach Artikeln\\\", \\\"grammar_topic\\\": \\\"German adjective declension\\\", \\\"learner_level\\\": \\\"B1\\\", \\\"document_language\\\": \\\"Deutsch\\\", \\\"overview_summary\\\": \\\"This article explains how attributive adjective endings are influenced by article, case, gender, and number. It focuses on comparing the weak declension after the definite article, the mixed declension after the indefinite article or kein, and the strong declension without an article; it also explains that predicative adjectives after sein take no ending.\\\"}\", \"cross_paragraph_qa\": \"[{\\\"question\\\": \\\"Why do the adjective endings differ in Der gute Mann, ein guter Mann, and guter Wein?\\\", \\\"answer\\\": \\\"In Der gute Mann, the definite article der already clearly marks masculine singular nominative, so the adjective takes the weak ending -e; in ein guter Mann, ein does not fully mark this grammatical information, so the adjective uses -er to supply it; in guter Wein there is no article, so the adjective itself carries more of the case and gender marking and therefore takes the strong ending -er.\\\", \\\"evidence_paragraphs\\\": [0, 1, 2, 3], \\\"reasoning\\\": \\\"Paragraph 0 explains that the ending depends on article, case, gender, and number, paragraph 1 discusses the weak declension after the definite article, paragraph 2 discusses the mixed declension after the indefinite article, and paragraph 3 discusses the strong declension without an article.\\\"}, {\\\"question\\\": \\\"How can one distinguish the adjective usage in Ich sehe einen guten Mann and Das Wasser ist kalt?\\\", \\\"answer\\\": \\\"guten comes before the noun Mann and is an attributive adjective in the masculine singular accusative, requiring the ending -en; kalt follows sein as a predicative adjective and does not directly modify a noun, so it takes no adjective ending.\\\", \\\"evidence_paragraphs\\\": [1, 2, 3, 4], \\\"reasoning\\\": \\\"Paragraphs 1 and 2 provide the rules for how attributive adjectives change according to article and case, paragraph 3 explains that predicative adjectives after sein take no ending, and paragraph 4 asks learners to determine the syntactic function first.\\\"}]\", \"semantic_explanations\": \"[{\\\"target_expression\\\": \\\"der gute Mann\\\", \\\"semantic_explanation\\\": \\\"This is an attributive adjective phrase after a definite article. der already clearly indicates masculine, singular, nominative, so the adjective usually takes the weak ending -e.\\\", \\\"contextual_meaning\\\": \\\"In Der gute Mann hilft dem Kind, gute modifies Mann, Mann is the subject in the masculine singular nominative; dem Kind is the recipient of the help.\\\", \\\"key_terms\\\": [\\\"bestimmter Artikel\\\", \\\"Nominativ\\\", \\\"schwache Deklination\\\"]}, {\\\"target_expression\\\": \\\"ein guter Mann\\\", \\\"semantic_explanation\\\": \\\"ein in the masculine singular nominative does not fully show case and gender information like der, so the adjective uses the strong ending -er to supply this information.\\\", \\\"contextual_meaning\\\": \\\"The phrase means 'a kind man'; guter modifies Mann and also signals masculine singular nominative through -er.\\\", \\\"key_terms\\\": [\\\"unbestimmter Artikel\\\", \\\"Mischdeklination\\\", \\\"starke Endung\\\"]}, {\\\"target_expression\\\": \\\"Das Wasser ist kalt\\\", \\\"semantic_explanation\\\": \\\"kalt follows sein as a predicative adjective and is not directly before a noun, so it does not undergo attributive adjective ending changes.\\\", \\\"contextual_meaning\\\": \\\"The sentence describes the state of the water rather than using the adjective as a modifier before a noun, so the dictionary form kalt is used.\\\", \\\"key_terms\\\": [\\\"Prädikativ\\\", \\\"sein\\\", \\\"attributiv\\\"]}]\", \"rule_applicability_judgments\": \"[{\\\"sentence\\\": \\\"Der gute Mann hilft dem Kind.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"gute follows the definite article der and directly modifies the masculine singular subject Mann, so it is an attributive adjective; masculine singular nominative uses the weak ending -e.\\\", \\\"applicable_rule_statement\\\": \\\"An attributive adjective in the masculine singular nominative after a definite article usually takes the weak ending -e.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Ich sehe einen guten Mann.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"guten directly modifies Mann, and the preceding einen is the indefinite article form for masculine singular accusative; in this case the adjective uses -en.\\\", \\\"applicable_rule_statement\\\": \\\"An attributive adjective after an indefinite article changes according to case and the information provided by the determiner; masculine accusative uses -en.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Das Wasser ist kalt.\\\", \\\"is_applicable\\\": false, \\\"judgment_explanation\\\": \\\"kalt follows sein as a predicative adjective; it is not an attributive adjective before a noun, so the attributive adjective ending rules do not apply.\\\", \\\"applicable_rule_statement\\\": \\\"A predicative adjective after sein usually takes no attributive ending.\\\", \\\"confidence\\\": 0.99}]\"}","\u003Chtml>\u003Chead>\u003Ctitle>Adjektivdeklination nach Artikeln\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Adjektivdeklination nach Artikeln\u003C\u002Fh1>\u003Cp>Die Endung eines attributiven Adjektivs hängt vom Artikel, vom Kasus, vom Genus und vom Numerus ab.\u003C\u002Fp>\u003Ch2>Nach dem bestimmten Artikel\u003C\u002Fh2>\u003Cp>Nach der bestimmte Artikelwortgruppe trägt das Adjektiv meistens die schwache Endung. Im Nominativ Singular stehen zum Beispiel der gute Mann, die gute Frau und das gute Kind. In den meisten anderen Formen steht -en.\u003C\u002Fp>\u003Ch2>Nach dem unbestimmten Artikel\u003C\u002Fh2>\u003Cp>Nach ein, eine oder kein zeigt das Adjektiv die Information, die am Artikel fehlt: ein guter Mann, ein gutes Kind, eine gute Frau, aber einen guten Mann.\u003C\u002Fp>\u003Ch2>Ohne Artikel und prädikativ\u003C\u002Fh2>\u003Cp>Ohne Artikel trägt das Adjektiv die starke Endung: guter Wein, kaltes Wasser. Nach sein steht das Adjektiv prädikativ und erhält keine Endung: Das Wasser ist kalt.\u003C\u002Fp>\u003Ch2>Übung\u003C\u002Fh2>\u003Cp>Bestimme Kasus und Genus und ergänze danach die passende Adjektivendung.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>","[{\"rule_statement\": \"Nach einem bestimmten Artikel wie der, die oder das steht das attributive Adjektiv im Nominativ Singular meist mit der schwachen Endung -e; in den meisten übrigen Formen steht -en.\", \"applicability_conditions\": [\"das Adjektiv steht vor einem Substantiv\", \"ein bestimmter Artikel oder eine entsprechende Artikelwortgruppe steht vor dem Adjektiv\", \"Kasus, Genus und Numerus des Bezugsworts sind bestimmt\"], \"exception_conditions\": [\"Die Endung richtet sich im vollständigen Paradigma weiterhin nach Kasus, Genus und Numerus; -e gilt nicht für jede Form\", \"Bei prädikativem Gebrauch nach sein steht keine attributive Endung\"], \"example_sentences\": [\"Der gute Mann hilft dem Kind. (This kind man helps the child.)\", \"Die gute Frau liest ein Buch. (This kind woman is reading a book.)\", \"Ich sehe den guten Mann. (I see that kind man.)\"], \"practice_hints\": [\"First identify the definite article and the case of the noun, then decide whether it is nominative singular or another form\", \"In particular, compare the case change in der gute Mann and den guten Mann\"]}, {\"rule_statement\": \"Nach einem unbestimmten Artikel oder einem Possessiv- beziehungsweise Negativartikel zeigt das Adjektiv häufig die fehlende Genus- oder Kasusinformation durch eine starke Endung.\", \"applicability_conditions\": [\"ein, eine, kein, or a corresponding possessive determiner appears before it\", \"The determiner does not clearly mark all gender and case information\", \"The adjective is used attributively before a noun\"], \"exception_conditions\": [\"In forms already clearly marked by the determiner, the adjective can take a weak ending, as with -en in einen guten Mann\", \"Predicative adjectives are not subject to the attributive adjective ending rules\"], \"example_sentences\": [\"Ein guter Mann hilft mir. (A kind man helps me.)\", \"Ein gutes Kind spielt im Garten. (A good child is playing in the garden.)\", \"Ich sehe einen guten Mann. (I see a kind man.)\"], \"practice_hints\": [\"Observe whether the ein-type determiner already marks the gender and case of the noun\", \"Compare ein guter Mann with einen guten Mann as a pair; change the case first, then determine the ending\"]}, {\"rule_statement\": \"Ohne Artikel steht attributives Adjektiv häufig mit einer starken Endung, während ein prädikatives Adjektiv nach sein keine Endung erhält.\", \"applicability_conditions\": [\"When an articleless adjective directly precedes a noun, it takes a strong ending\", \"When an adjective follows sein and is predicative, it is not an attributive modifier before a noun\", \"The ending must carry the information of gender, case, and number\"], \"exception_conditions\": [\"The specific strong ending is still determined by case, gender, and number and cannot be remembered as a single form\", \"This rule does not mean that all adjectives after a verb have no ending; one must first confirm whether it is a predicative structure\"], \"example_sentences\": [\"Guter Wein passt zu diesem Essen. (Good wine goes well with this dish.)\", \"Kaltes Wasser steht auf dem Tisch. (Cold water is on the table.)\", \"Das Wasser ist kalt. (The water is cold.)\"], \"practice_hints\": [\"Distinguish whether the adjective is attributive before a noun or predicative after sein\", \"For articleless phrases, first determine the case, gender, and number of the noun, then choose the strong ending\"]}]","[{\"section_title\": \"Grundprinzip\", \"paragraph_index\": 0, \"section_content\": \"Die Endung eines attributiven Adjektivs hängt vom Artikel, vom Kasus, vom Genus und vom Numerus ab.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Nach dem bestimmten Artikel\", \"paragraph_index\": 1, \"section_content\": \"Nach der bestimmten Artikelwortgruppe trägt das Adjektiv meistens die schwache Endung. Im Nominativ Singular stehen zum Beispiel der gute Mann, die gute Frau und das gute Kind. In den meisten anderen Formen steht -en.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Nach dem unbestimmten Artikel\", \"paragraph_index\": 2, \"section_content\": \"Nach ein, eine oder kein zeigt das Adjektiv die Information, die am Artikel fehlt: ein guter Mann, ein gutes Kind, eine gute Frau, aber einen guten Mann.\", \"section_role\": \"Example explanation\"}, {\"section_title\": \"Ohne Artikel und prädikativ\", \"paragraph_index\": 3, \"section_content\": \"Ohne Artikel trägt das Adjektiv die starke Endung: guter Wein, kaltes Wasser. Nach sein steht das Adjektiv prädikativ und erhält keine Endung: Das Wasser ist kalt.\", \"section_role\": \"Exception explanation\"}, {\"section_title\": \"Übung\", \"paragraph_index\": 4, \"section_content\": \"Bestimme Kasus und Genus und ergänze danach die passende Adjektivendung.\", \"section_role\": \"Practice hint\"}]","{\"page_title\": \"Adjektivdeklination nach Artikeln\", \"grammar_topic\": \"German adjective declension\", \"learner_level\": \"B1\", \"document_language\": \"Deutsch\", \"overview_summary\": \"This article explains how attributive adjective endings are influenced by article, case, gender, and number. It focuses on comparing the weak declension after the definite article, the mixed declension after the indefinite article or kein, and the strong declension without an article; it also explains that predicative adjectives after sein take no ending.\"}","[{\"question\": \"Why do the adjective endings differ in Der gute Mann, ein guter Mann, and guter Wein?\", \"answer\": \"In Der gute Mann, the definite article der already clearly marks masculine singular nominative, so the adjective takes the weak ending -e; in ein guter Mann, ein does not fully mark this grammatical information, so the adjective uses -er to supply it; in guter Wein there is no article, so the adjective itself carries more of the case and gender marking and therefore takes the strong ending -er.\", \"evidence_paragraphs\": [0, 1, 2, 3], \"reasoning\": \"Paragraph 0 explains that the ending depends on article, case, gender, and number, paragraph 1 discusses the weak declension after the definite article, paragraph 2 discusses the mixed declension after the indefinite article, and paragraph 3 discusses the strong declension without an article.\"}, {\"question\": \"How can one distinguish the adjective usage in Ich sehe einen guten Mann and Das Wasser ist kalt?\", \"answer\": \"guten comes before the noun Mann and is an attributive adjective in the masculine singular accusative, requiring the ending -en; kalt follows sein as a predicative adjective and does not directly modify a noun, so it takes no adjective ending.\", \"evidence_paragraphs\": [1, 2, 3, 4], \"reasoning\": \"Paragraphs 1 and 2 provide the rules for how attributive adjectives change according to article and case, paragraph 3 explains that predicative adjectives after sein take no ending, and paragraph 4 asks learners to determine the syntactic function first.\"}]","[{\"target_expression\": \"der gute Mann\", \"semantic_explanation\": \"This is an attributive adjective phrase after a definite article. der already clearly indicates masculine, singular, nominative, so the adjective usually takes the weak ending -e.\", \"contextual_meaning\": \"In Der gute Mann hilft dem Kind, gute modifies Mann, Mann is the subject in the masculine singular nominative; dem Kind is the recipient of the help.\", \"key_terms\": [\"bestimmter Artikel\", \"Nominativ\", \"schwache Deklination\"]}, {\"target_expression\": \"ein guter Mann\", \"semantic_explanation\": \"ein in the masculine singular nominative does not fully show case and gender information like der, so the adjective uses the strong ending -er to supply this information.\", \"contextual_meaning\": \"The phrase means 'a kind man'; guter modifies Mann and also signals masculine singular nominative through -er.\", \"key_terms\": [\"unbestimmter Artikel\", \"Mischdeklination\", \"starke Endung\"]}, {\"target_expression\": \"Das Wasser ist kalt\", \"semantic_explanation\": \"kalt follows sein as a predicative adjective and is not directly before a noun, so it does not undergo attributive adjective ending changes.\", \"contextual_meaning\": \"The sentence describes the state of the water rather than using the adjective as a modifier before a noun, so the dictionary form kalt is used.\", \"key_terms\": [\"Prädikativ\", \"sein\", \"attributiv\"]}]","[{\"sentence\": \"Der gute Mann hilft dem Kind.\", \"is_applicable\": true, \"judgment_explanation\": \"gute follows the definite article der and directly modifies the masculine singular subject Mann, so it is an attributive adjective; masculine singular nominative uses the weak ending -e.\", \"applicable_rule_statement\": \"An attributive adjective in the masculine singular nominative after a definite article usually takes the weak ending -e.\", \"confidence\": 0.99}, {\"sentence\": \"Ich sehe einen guten Mann.\", \"is_applicable\": true, \"judgment_explanation\": \"guten directly modifies Mann, and the preceding einen is the indefinite article form for masculine singular accusative; in this case the adjective uses -en.\", \"applicable_rule_statement\": \"An attributive adjective after an indefinite article changes according to case and the information provided by the determiner; masculine accusative uses -en.\", \"confidence\": 0.99}, {\"sentence\": \"Das Wasser ist kalt.\", \"is_applicable\": false, \"judgment_explanation\": \"kalt follows sein as a predicative adjective; it is not an attributive adjective before a noun, so the attributive adjective ending rules do not apply.\", \"applicable_rule_statement\": \"A predicative adjective after sein usually takes no attributive ending.\", \"confidence\": 0.99}]",{"id":671,"relate_table":645,"relate_id":672,"file_size":572,"file_name":673,"path":8,"duration":572,"cate":483,"file_format":648,"audio_rate":8,"audio_channel":522,"audio_bit_depth":522,"quality":8,"annotation":674,"cate_name":650,"source_html":675,"grammar_rules":676,"grammar_sections":677,"document_overview":678,"cross_paragraph_qa":679,"semantic_explanations":680,"rule_applicability_judgments":681},15106,1932919507,"样例_1.json","{\"source_html\": \"\u003Chtml>\u003Chead>\u003Ctitle>Weil-Sätze und denn-Sätze\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Weil-Sätze und denn-Sätze\u003C\u002Fh1>\u003Cp>Mit weil nennt man einen Grund. Weil leitet einen Nebensatz ein; das konjugierte Verb steht am Ende.\u003C\u002Fp>\u003Ch2>Beispiele mit weil\u003C\u002Fh2>\u003Cp>Ich bleibe zu Hause, weil ich krank bin. Weil es regnet, nehme ich einen Schirm.\u003C\u002Fp>\u003Ch2>Der Unterschied zu denn\u003C\u002Fh2>\u003Cp>Auch denn nennt einen Grund, aber denn verbindet zwei Hauptsätze. Nach denn bleibt das konjugierte Verb auf Position zwei: Ich bleibe zu Hause, denn ich bin krank.\u003C\u002Fp>\u003Ch2>Übung\u003C\u002Fh2>\u003Cp>Verbinde die Sätze mit weil oder denn und achte auf die Stellung des Verbs.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>\", \"grammar_rules\": \"[{\\\"rule_statement\\\": \\\"weil leitet einen Kausalsatz als Nebensatz ein; das konjugierte Verb steht im weil-Satz am Ende.\\\", \\\"applicability_conditions\\\": [\\\"weil begründet die Aussage des übergeordneten Satzes\\\", \\\"weil steht am Anfang oder nach einem Komma vor dem Nebensatz\\\", \\\"der Nebensatz folgt der Nebensatzwortstellung\\\"], \\\"exception_conditions\\\": [\\\"In gesprochener Umgangssprache kommt gelegentlich eine Verbzweitstellung nach weil vor; sie gilt nicht als die standardsprachliche Zielstruktur dieser Lektion\\\"], \\\"example_sentences\\\": [\\\"Ich bleibe zu Hause, weil ich krank bin. (I stay at home because I am sick.)\\\", \\\"Weil es regnet, nehme ich einen Schirm. (Because it is raining, I take an umbrella.)\\\"], \\\"practice_hints\\\": [\\\"First identify the causal subordinate clause, then move the finite verb in it to the end\\\", \\\"Swap the positions of the main clause and the weil-clause and check whether the comma and verb position are still correct\\\"]}, {\\\"rule_statement\\\": \\\"denn verbindet zwei Hauptsätze und verändert die Verbzweitstellung im zweiten Satz nicht.\\\", \\\"applicability_conditions\\\": [\\\"denn expresses the cause of the situation stated in the preceding clause\\\", \\\"denn connects two main clauses that can stand alone as sentences\\\", \\\"The finite verb after denn remains in second position in the second clause\\\"], \\\"exception_conditions\\\": [\\\"denn itself does not introduce a subordinate clause; therefore, the finite verb cannot be moved to the end according to the weil-clause rule\\\"], \\\"example_sentences\\\": [\\\"Ich bleibe zu Hause, denn ich bin krank. (I stay at home because I am sick.)\\\", \\\"Er nimmt einen Schirm mit, denn es regnet. (He takes an umbrella because it is raining.)\\\"], \\\"practice_hints\\\": [\\\"Read the clause after denn aloud on its own and confirm that it still has main-clause word order\\\", \\\"Compare the verb positions in Ich bleibe zu Hause, weil ich krank bin and Ich bleibe zu Hause, denn ich bin krank\\\"]}]\", \"grammar_sections\": \"[{\\\"section_title\\\": \\\"Einleitung\\\", \\\"paragraph_index\\\": 0, \\\"section_content\\\": \\\"Mit weil nennt man einen Grund. Weil leitet einen Nebensatz ein; das konjugierte Verb steht am Ende.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Beispiele mit weil\\\", \\\"paragraph_index\\\": 1, \\\"section_content\\\": \\\"Ich bleibe zu Hause, weil ich krank bin. Weil es regnet, nehme ich einen Schirm.\\\", \\\"section_role\\\": \\\"Example explanation\\\"}, {\\\"section_title\\\": \\\"Der Unterschied zu denn\\\", \\\"paragraph_index\\\": 2, \\\"section_content\\\": \\\"Auch denn nennt einen Grund, aber denn verbindet zwei Hauptsätze. Nach denn bleibt das konjugierte Verb auf Position zwei: Ich bleibe zu Hause, denn ich bin krank.\\\", \\\"section_role\\\": \\\"Contrastive explanation\\\"}, {\\\"section_title\\\": \\\"Übung\\\", \\\"paragraph_index\\\": 3, \\\"section_content\\\": \\\"Verbinde die Sätze mit weil oder denn und achte auf die Stellung des Verbs.\\\", \\\"section_role\\\": \\\"Practice hint\\\"}]\", \"document_overview\": \"{\\\"page_title\\\": \\\"Weil-Sätze und denn-Sätze\\\", \\\"grammar_topic\\\": \\\"Kausalsätze mit weil und denn\\\", \\\"learner_level\\\": \\\"A2\\\", \\\"document_language\\\": \\\"Deutsch\\\", \\\"overview_summary\\\": \\\"This article explains the two ways of expressing cause in German. weil introduces a subordinate clause, with the finite verb placed at the end of the clause; denn connects two main clauses, and the finite verb after it remains in second position. The page uses example sentences, contrastive explanations, and practice hints to help learners distinguish the syntactic position and conditions of use of the two.\\\"}\", \"cross_paragraph_qa\": \"[{\\\"question\\\": \\\"Warum steht bin in Ich bleibe zu Hause, weil ich krank bin am Ende, aber in Ich bleibe zu Hause, denn ich bin krank an zweiter Stelle?\\\", \\\"answer\\\": \\\"weil introduces a subordinate clause, so the finite verb bin must be placed at the end of the clause; denn connects two main clauses, and ich bin krank after denn still follows the main-clause verb-second rule. Both structures express cause, but their syntactic linking is different.\\\", \\\"evidence_paragraphs\\\": [0, 1, 2], \\\"reasoning\\\": \\\"Paragraph 0 explains the clause-final verb rule for weil-clauses, paragraph 1 provides weil example sentences, and paragraph 2 contrasts denn as connecting main clauses and its verb-second word order. Combining the three paragraphs explains the difference in the position of the two instances of bin.\\\"}, {\\\"question\\\": \\\"How can one determine whether a sentence expressing cause should use weil or denn?\\\", \\\"answer\\\": \\\"If you choose a subordinate structure and place the finite verb at the end of the causal clause, you can use weil; if you want to connect two clauses that retain independent main-clause word order, you can use denn. For example, Ich bleibe zu Hause, weil ich krank bin and Ich bleibe zu Hause, denn ich bin krank are both correct, but the verb position is different.\\\", \\\"evidence_paragraphs\\\": [0, 2, 3], \\\"reasoning\\\": \\\"Paragraph 0 gives the structural rule for weil, paragraph 2 gives the contrastive rule for denn, and paragraph 3 asks learners to practice distinguishing them based on the conjunction and verb position.\\\"}]\", \"semantic_explanations\": \"[{\\\"target_expression\\\": \\\"weil\\\", \\\"semantic_explanation\\\": \\\"weil is a causal subordinating conjunction that expresses a causal relationship between two propositions and is usually translated as 'because'. It introduces a subordinate clause, so the finite verb is placed at the end of the clause.\\\", \\\"contextual_meaning\\\": \\\"In Ich bleibe zu Hause, weil ich krank bin, being sick is the reason for staying at home; bin at the end of the subordinate clause is precisely the syntactic marker of a weil-clause.\\\", \\\"key_terms\\\": [\\\"Kausalsatz\\\", \\\"Nebensatz\\\", \\\"konjugiertes Verb\\\"]}, {\\\"target_expression\\\": \\\"denn\\\", \\\"semantic_explanation\\\": \\\"denn is also a causal conjunction, but it is a coordinating conjunction and does not turn the following clause into a subordinate clause. Therefore the sentence after denn retains main-clause word order, with the finite verb in second position.\\\", \\\"contextual_meaning\\\": \\\"In Ich bleibe zu Hause, denn ich bin krank, ich bin krank after denn can stand alone as a sentence, and the causal relationship is expressed by coordination.\\\", \\\"key_terms\\\": [\\\"Hauptsatz\\\", \\\"Konjunktion\\\", \\\"Verbzweitstellung\\\"]}]\", \"rule_applicability_judgments\": \"[{\\\"sentence\\\": \\\"Ich bleibe zu Hause, weil ich krank bin.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"In this sentence weil introduces a causal subordinate clause, and the finite verb bin is at the end of the clause, which conforms to the standard word order of a weil-clause.\\\", \\\"applicable_rule_statement\\\": \\\"weil introduces a subordinate clause, and the finite verb is placed at the end of the clause.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Ich bleibe zu Hause, denn ich bin krank.\\\", \\\"is_applicable\\\": false, \\\"judgment_explanation\\\": \\\"This sentence uses denn rather than weil. denn connects two main clauses, so ich bin krank retains the verb in second position; the clause-final verb rule for weil-clauses cannot be applied.\\\", \\\"applicable_rule_statement\\\": \\\"The clause-final verb rule for weil-clauses does not apply to main clauses connected by denn.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Weil es regnet, nehme ich einen Schirm.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"The weil-clause comes before the main clause, and the finite verb regnet is at the end of that clause; nehme in the main clause is in the second position of the entire main clause, so the structure is correct.\\\", \\\"applicable_rule_statement\\\": \\\"In a causal subordinate clause introduced by weil, the finite verb is at the end.\\\", \\\"confidence\\\": 0.98}]\"}","\u003Chtml>\u003Chead>\u003Ctitle>Weil-Sätze und denn-Sätze\u003C\u002Ftitle>\u003C\u002Fhead>\u003Cbody>\u003Ch1>Weil-Sätze und denn-Sätze\u003C\u002Fh1>\u003Cp>Mit weil nennt man einen Grund. Weil leitet einen Nebensatz ein; das konjugierte Verb steht am Ende.\u003C\u002Fp>\u003Ch2>Beispiele mit weil\u003C\u002Fh2>\u003Cp>Ich bleibe zu Hause, weil ich krank bin. Weil es regnet, nehme ich einen Schirm.\u003C\u002Fp>\u003Ch2>Der Unterschied zu denn\u003C\u002Fh2>\u003Cp>Auch denn nennt einen Grund, aber denn verbindet zwei Hauptsätze. Nach denn bleibt das konjugierte Verb auf Position zwei: Ich bleibe zu Hause, denn ich bin krank.\u003C\u002Fp>\u003Ch2>Übung\u003C\u002Fh2>\u003Cp>Verbinde die Sätze mit weil oder denn und achte auf die Stellung des Verbs.\u003C\u002Fp>\u003C\u002Fbody>\u003C\u002Fhtml>","[{\"rule_statement\": \"weil leitet einen Kausalsatz als Nebensatz ein; das konjugierte Verb steht im weil-Satz am Ende.\", \"applicability_conditions\": [\"weil begründet die Aussage des übergeordneten Satzes\", \"weil steht am Anfang oder nach einem Komma vor dem Nebensatz\", \"der Nebensatz folgt der Nebensatzwortstellung\"], \"exception_conditions\": [\"In gesprochener Umgangssprache kommt gelegentlich eine Verbzweitstellung nach weil vor; sie gilt nicht als die standardsprachliche Zielstruktur dieser Lektion\"], \"example_sentences\": [\"Ich bleibe zu Hause, weil ich krank bin. (I stay at home because I am sick.)\", \"Weil es regnet, nehme ich einen Schirm. (Because it is raining, I take an umbrella.)\"], \"practice_hints\": [\"First identify the causal subordinate clause, then move the finite verb in it to the end\", \"Swap the positions of the main clause and the weil-clause and check whether the comma and verb position are still correct\"]}, {\"rule_statement\": \"denn verbindet zwei Hauptsätze und verändert die Verbzweitstellung im zweiten Satz nicht.\", \"applicability_conditions\": [\"denn expresses the cause of the situation stated in the preceding clause\", \"denn connects two main clauses that can stand alone as sentences\", \"The finite verb after denn remains in second position in the second clause\"], \"exception_conditions\": [\"denn itself does not introduce a subordinate clause; therefore, the finite verb cannot be moved to the end according to the weil-clause rule\"], \"example_sentences\": [\"Ich bleibe zu Hause, denn ich bin krank. (I stay at home because I am sick.)\", \"Er nimmt einen Schirm mit, denn es regnet. (He takes an umbrella because it is raining.)\"], \"practice_hints\": [\"Read the clause after denn aloud on its own and confirm that it still has main-clause word order\", \"Compare the verb positions in Ich bleibe zu Hause, weil ich krank bin and Ich bleibe zu Hause, denn ich bin krank\"]}]","[{\"section_title\": \"Einleitung\", \"paragraph_index\": 0, \"section_content\": \"Mit weil nennt man einen Grund. Weil leitet einen Nebensatz ein; das konjugierte Verb steht am Ende.\", \"section_role\": \"Rule explanation\"}, {\"section_title\": \"Beispiele mit weil\", \"paragraph_index\": 1, \"section_content\": \"Ich bleibe zu Hause, weil ich krank bin. Weil es regnet, nehme ich einen Schirm.\", \"section_role\": \"Example explanation\"}, {\"section_title\": \"Der Unterschied zu denn\", \"paragraph_index\": 2, \"section_content\": \"Auch denn nennt einen Grund, aber denn verbindet zwei Hauptsätze. Nach denn bleibt das konjugierte Verb auf Position zwei: Ich bleibe zu Hause, denn ich bin krank.\", \"section_role\": \"Contrastive explanation\"}, {\"section_title\": \"Übung\", \"paragraph_index\": 3, \"section_content\": \"Verbinde die Sätze mit weil oder denn und achte auf die Stellung des Verbs.\", \"section_role\": \"Practice hint\"}]","{\"page_title\": \"Weil-Sätze und denn-Sätze\", \"grammar_topic\": \"Kausalsätze mit weil und denn\", \"learner_level\": \"A2\", \"document_language\": \"Deutsch\", \"overview_summary\": \"This article explains the two ways of expressing cause in German. weil introduces a subordinate clause, with the finite verb placed at the end of the clause; denn connects two main clauses, and the finite verb after it remains in second position. The page uses example sentences, contrastive explanations, and practice hints to help learners distinguish the syntactic position and conditions of use of the two.\"}","[{\"question\": \"Warum steht bin in Ich bleibe zu Hause, weil ich krank bin am Ende, aber in Ich bleibe zu Hause, denn ich bin krank an zweiter Stelle?\", \"answer\": \"weil introduces a subordinate clause, so the finite verb bin must be placed at the end of the clause; denn connects two main clauses, and ich bin krank after denn still follows the main-clause verb-second rule. Both structures express cause, but their syntactic linking is different.\", \"evidence_paragraphs\": [0, 1, 2], \"reasoning\": \"Paragraph 0 explains the clause-final verb rule for weil-clauses, paragraph 1 provides weil example sentences, and paragraph 2 contrasts denn as connecting main clauses and its verb-second word order. Combining the three paragraphs explains the difference in the position of the two instances of bin.\"}, {\"question\": \"How can one determine whether a sentence expressing cause should use weil or denn?\", \"answer\": \"If you choose a subordinate structure and place the finite verb at the end of the causal clause, you can use weil; if you want to connect two clauses that retain independent main-clause word order, you can use denn. For example, Ich bleibe zu Hause, weil ich krank bin and Ich bleibe zu Hause, denn ich bin krank are both correct, but the verb position is different.\", \"evidence_paragraphs\": [0, 2, 3], \"reasoning\": \"Paragraph 0 gives the structural rule for weil, paragraph 2 gives the contrastive rule for denn, and paragraph 3 asks learners to practice distinguishing them based on the conjunction and verb position.\"}]","[{\"target_expression\": \"weil\", \"semantic_explanation\": \"weil is a causal subordinating conjunction that expresses a causal relationship between two propositions and is usually translated as 'because'. It introduces a subordinate clause, so the finite verb is placed at the end of the clause.\", \"contextual_meaning\": \"In Ich bleibe zu Hause, weil ich krank bin, being sick is the reason for staying at home; bin at the end of the subordinate clause is precisely the syntactic marker of a weil-clause.\", \"key_terms\": [\"Kausalsatz\", \"Nebensatz\", \"konjugiertes Verb\"]}, {\"target_expression\": \"denn\", \"semantic_explanation\": \"denn is also a causal conjunction, but it is a coordinating conjunction and does not turn the following clause into a subordinate clause. Therefore the sentence after denn retains main-clause word order, with the finite verb in second position.\", \"contextual_meaning\": \"In Ich bleibe zu Hause, denn ich bin krank, ich bin krank after denn can stand alone as a sentence, and the causal relationship is expressed by coordination.\", \"key_terms\": [\"Hauptsatz\", \"Konjunktion\", \"Verbzweitstellung\"]}]","[{\"sentence\": \"Ich bleibe zu Hause, weil ich krank bin.\", \"is_applicable\": true, \"judgment_explanation\": \"In this sentence weil introduces a causal subordinate clause, and the finite verb bin is at the end of the clause, which conforms to the standard word order of a weil-clause.\", \"applicable_rule_statement\": \"weil introduces a subordinate clause, and the finite verb is placed at the end of the clause.\", \"confidence\": 0.99}, {\"sentence\": \"Ich bleibe zu Hause, denn ich bin krank.\", \"is_applicable\": false, \"judgment_explanation\": \"This sentence uses denn rather than weil. denn connects two main clauses, so ich bin krank retains the verb in second position; the clause-final verb rule for weil-clauses cannot be applied.\", \"applicable_rule_statement\": \"The clause-final verb rule for weil-clauses does not apply to main clauses connected by denn.\", \"confidence\": 0.99}, {\"sentence\": \"Weil es regnet, nehme ich einen Schirm.\", \"is_applicable\": true, \"judgment_explanation\": \"The weil-clause comes before the main clause, and the finite verb regnet is at the end of that clause; nehme in the main clause is in the second position of the entire main clause, so the structure is correct.\", \"applicable_rule_statement\": \"In a causal subordinate clause introduced by weil, the finite verb is at the end.\", \"confidence\": 0.98}]","{\"source_html\":\"\u003Chtml>\u003Chead>\u003Ctitle>Das Perfekt mit haben und sein\u003C\\\u002Ftitle>\u003C\\\u002Fhead>\u003Cbody>\u003Ch1>Das Perfekt mit haben und sein\u003C\\\u002Fh1>\u003Cp>Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\u003C\\\u002Fp>\u003Ch2>Wann verwendet man haben?\u003C\\\u002Fh2>\u003Cp>haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\u003C\\\u002Fp>\u003Ch2>Wann verwendet man sein?\u003C\\\u002Fh2>\u003Cp>sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\u003C\\\u002Fp>\u003Ch2>Besonderheiten der Bewegungsverben\u003C\\\u002Fh2>\u003Cp>Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\u003C\\\u002Fp>\u003Ch2>Nebensätze und Übung\u003C\\\u002Fh2>\u003Cp>Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\u003C\\\u002Fp>\u003C\\\u002Fbody>\u003C\\\u002Fhtml>\",\"grammar_rules\":\"[{\\\"rule_statement\\\": \\\"Das Perfekt wird mit einem konjugierten Hilfsverb und dem Partizip II gebildet; im Hauptsatz steht das Hilfsverb auf Position zwei und das Partizip II am Satzende.\\\", \\\"applicability_conditions\\\": [\\\"Expressing an event completed in the past or relevant to the present\\\", \\\"Requires an auxiliary verb conjugated in the present tense and a past participle (Partizip II)\\\", \\\"When the sentence is a main clause, the auxiliary usually stands in second position\\\"], \\\"exception_conditions\\\": [\\\"In a subordinate clause, the conjugated auxiliary moves to the end of the clause instead of remaining in the main-clause second position\\\", \\\"In spoken language, fronting of sentence elements may change the surface position, but the auxiliary is still the finite verb\\\"], \\\"example_sentences\\\": [\\\"Ich habe einen Brief geschrieben. (I have written a letter.)\\\", \\\"Wir sind nach Berlin gefahren. (We went to Berlin.)\\\"], \\\"practice_hints\\\": [\\\"First identify the Partizip II, then decide whether haben or sein is needed\\\", \\\"Check the position of the conjugated auxiliary in the main clause and in the weil-clause separately\\\"]}, {\\\"rule_statement\\\": \\\"haben is used with most verbs, especially transitive verbs that take a direct object and reflexive verbs.\\\", \\\"applicability_conditions\\\": [\\\"The verb takes a direct object\\\", \\\"The verb is reflexive\\\", \\\"The verb does not express a typical change of place or state\\\"], \\\"exception_conditions\\\": [\\\"Some verbs of movement use sein when emphasizing the subject's own change of place\\\", \\\"The specific auxiliary may also be influenced by dialect or fixed usage; this page follows standard pedagogical usage\\\"], \\\"example_sentences\\\": [\\\"Ich habe einen Brief geschrieben. (I have written a letter.)\\\", \\\"Sie hat sich gewaschen. (She washed herself.)\\\", \\\"Ich habe das Auto gefahren. (I drove the car.)\\\"], \\\"practice_hints\\\": [\\\"Check whether the verb has an accusative direct object\\\", \\\"The reflexive pronoun sich does not imply a change of place; reflexive verbs usually use haben\\\"]}, {\\\"rule_statement\\\": \\\"sein is often used with intransitive verbs that express a change of place or state of the subject, and also with verbs that consistently take sein, such as sein, werden, and bleiben.\\\", \\\"applicability_conditions\\\": [\\\"The subject itself undergoes a change of place\\\", \\\"The subject's state changes\\\", \\\"The verb is one that consistently uses sein, such as sein, werden, or bleiben\\\"], \\\"exception_conditions\\\": [\\\"Movement verbs such as fahren and fliegen can use haben when they take a direct object\\\", \\\"Not all verbs related to the concept of movement automatically use sein; one must consider the verb's valency and the meaning of the sentence\\\"], \\\"example_sentences\\\": [\\\"Wir sind nach Berlin gefahren. (We went to Berlin.)\\\", \\\"Er ist eingeschlafen. (He fell asleep.)\\\", \\\"Sie ist zu Hause geblieben. (She stayed at home.)\\\"], \\\"practice_hints\\\": [\\\"Determine whether the subject itself moves or the subject operates on an object\\\", \\\"Compare the semantic difference between Ich bin nach Berlin gefahren and Ich habe das Auto gefahren\\\"]}]\",\"grammar_sections\":\"[{\\\"section_title\\\": \\\"Aufbau des Perfekts\\\", \\\"paragraph_index\\\": 0, \\\"section_content\\\": \\\"Das Perfekt besteht aus einem konjugierten Hilfsverb und dem Partizip II. Im Hauptsatz steht das Hilfsverb meistens an Position zwei und das Partizip II am Ende.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Verwendung von haben\\\", \\\"paragraph_index\\\": 1, \\\"section_content\\\": \\\"haben steht bei den meisten Verben, besonders bei transitiven und reflexiven Verben: Ich habe einen Brief geschrieben. Sie hat sich gewaschen.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Verwendung von sein\\\", \\\"paragraph_index\\\": 2, \\\"section_content\\\": \\\"sein steht oft bei intransitiven Verben der Ortsveränderung oder Zustandsveränderung sowie bei sein, werden und bleiben: Wir sind nach Berlin gefahren. Er ist eingeschlafen. Sie ist zu Hause geblieben.\\\", \\\"section_role\\\": \\\"Rule explanation\\\"}, {\\\"section_title\\\": \\\"Besonderheiten der Bewegungsverben\\\", \\\"paragraph_index\\\": 3, \\\"section_content\\\": \\\"Bei fahren oder fliegen hängt das Hilfsverb von der Bedeutung ab. Ich bin nach Berlin gefahren beschreibt die eigene Ortsveränderung; Ich habe das Auto gefahren beschreibt ein transitives Objekt.\\\", \\\"section_role\\\": \\\"Exception explanation\\\"}, {\\\"section_title\\\": \\\"Nebensätze und Übung\\\", \\\"paragraph_index\\\": 4, \\\"section_content\\\": \\\"Im Nebensatz steht das konjugierte Hilfsverb am Ende: ..., weil ich einen Brief geschrieben habe. Bilde weitere Sätze im Perfekt und begründe die Wahl von haben oder sein.\\\", \\\"section_role\\\": \\\"Practice hint\\\"}]\",\"document_overview\":\"{\\\"page_title\\\": \\\"Das Perfekt mit haben und sein\\\", \\\"grammar_topic\\\": \\\"Formation of the German perfect tense and the choice between haben and sein\\\", \\\"learner_level\\\": \\\"A2\\\", \\\"document_language\\\": \\\"Deutsch\\\", \\\"overview_summary\\\": \\\"This article explains the basic structure of the German Perfekt, the choice between the auxiliary verbs haben and sein, and word order in main and subordinate clauses. haben is used with most verbs, especially transitive and reflexive verbs; sein is often used with intransitive verbs expressing a change of place or state, and also with sein, werden, and bleiben. The page also uses different meanings of fahren to show that the choice of auxiliary depends on the semantics and valency of the verb.\\\"}\",\"cross_paragraph_qa\":\"[{\\\"question\\\": \\\"Why does Wir sind nach Berlin gefahren use sein, while Ich habe das Auto gefahren uses haben?\\\", \\\"answer\\\": \\\"In the first sentence, fahren is used intransitively, and the subject wir itself undergoes a change of place to Berlin, so sein is used; in the second sentence, fahren takes the direct object das Auto and expresses the transitive action of driving a car, so haben is used. The choice of auxiliary depends on the verb's valency and specific meaning, not merely on the dictionary form of the verb.\\\", \\\"evidence_paragraphs\\\": [1, 2, 3], \\\"reasoning\\\": \\\"Paragraph 1 explains that transitive verbs usually use haben, paragraph 2 explains that a change of place of the subject uses sein, and paragraph 3 uses two example sentences with fahren to show that the same verb selects different auxiliaries depending on meaning and object.\\\"}, {\\\"question\\\": \\\"How is the Perfekt form of the weil-clause Ich habe einen Brief geschrieben formed?\\\", \\\"answer\\\": \\\"First use haben as the conjugated auxiliary, then use geschrieben, the past participle of schreiben. In the main clause one says Ich habe einen Brief geschrieben; when placed in a weil-clause, the conjugated auxiliary moves to the end of the clause, forming weil ich einen Brief geschrieben habe.\\\", \\\"evidence_paragraphs\\\": [0, 1, 4], \\\"reasoning\\\": \\\"Paragraph 0 gives the structure of the Perfekt as auxiliary plus Partizip II, paragraph 1 confirms that schreiben uses haben, and paragraph 4 explains that in a subordinate clause the conjugated auxiliary is at the end.\\\"}]\",\"semantic_explanations\":\"[{\\\"target_expression\\\": \\\"Ich habe einen Brief geschrieben\\\", \\\"semantic_explanation\\\": \\\"This sentence uses haben plus the Partizip II geschrieben to form the Perfekt. schreiben is a transitive verb and its direct object is einen Brief, so haben is used.\\\", \\\"contextual_meaning\\\": \\\"The sentence means 'I have written a letter'; the object of the action is clearly the letter, and the subject does not undergo a change of place.\\\", \\\"key_terms\\\": [\\\"Perfekt\\\", \\\"Hilfsverb\\\", \\\"Partizip II\\\", \\\"transitives Verb\\\"]}, {\\\"target_expression\\\": \\\"Wir sind nach Berlin gefahren\\\", \\\"semantic_explanation\\\": \\\"sein and the Partizip II gefahren form the Perfekt. Here fahren is used intransitively, and the subject wir undergoes a change of place to Berlin.\\\", \\\"contextual_meaning\\\": \\\"The focus is not on driving an object but on saying that the subject moves from its original location to Berlin, so sein is used.\\\", \\\"key_terms\\\": [\\\"Ortsveränderung\\\", \\\"intransitives Verb\\\", \\\"sein\\\"]}, {\\\"target_expression\\\": \\\"Ich habe das Auto gefahren\\\", \\\"semantic_explanation\\\": \\\"Although fahren is usually associated with movement, here it has the direct object das Auto and expresses the transitive action of driving a car, so haben is used.\\\", \\\"contextual_meaning\\\": \\\"Compared with Ich bin nach Berlin gefahren, this sentence emphasizes that the object the subject operates is the car rather than the subject itself arriving somewhere.\\\", \\\"key_terms\\\": [\\\"fahren\\\", \\\"Akkusativobjekt\\\", \\\"Bedeutungsunterschied\\\"]}]\",\"rule_applicability_judgments\":\"[{\\\"sentence\\\": \\\"Ich habe einen Brief geschrieben.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"The Perfekt is formed with haben and the Partizip II geschrieben; schreiben takes the direct object einen Brief, which matches the condition that transitive verbs usually use haben.\\\", \\\"applicable_rule_statement\\\": \\\"haben is used especially with transitive verbs that take a direct object.\\\", \\\"confidence\\\": 0.99}, {\\\"sentence\\\": \\\"Wir sind nach Berlin gefahren.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"In this sentence fahren expresses that the subject itself undergoes a change of place to Berlin and there is no direct object, so sein is used.\\\", \\\"applicable_rule_statement\\\": \\\"Intransitive verbs expressing a change of place of the subject usually use sein.\\\", \\\"confidence\\\": 0.98}, {\\\"sentence\\\": \\\"Ich habe das Auto gefahren.\\\", \\\"is_applicable\\\": false, \\\"judgment_explanation\\\": \\\"If the criterion being judged is that sein is used for the subject's own change of place, then this sentence does not apply, because fahren has the direct object das Auto and expresses the object being driven; standard pedagogical usage uses haben.\\\", \\\"applicable_rule_statement\\\": \\\"When a movement verb takes a direct object and expresses an object being operated, it can be used transitively with haben.\\\", \\\"confidence\\\": 0.97}, {\\\"sentence\\\": \\\"..., weil ich einen Brief geschrieben habe.\\\", \\\"is_applicable\\\": true, \\\"judgment_explanation\\\": \\\"This sentence is a weil-clause; the Perfekt auxiliary habe is at the end of the subordinate clause, and the Partizip II geschrieben precedes it, which conforms to perfect tense word order in a subordinate clause.\\\", \\\"applicable_rule_statement\\\": \\\"In a Perfekt subordinate clause, the conjugated auxiliary is at the end of the clause.\\\", \\\"confidence\\\": 0.99}]\"}","MOBIUSI INC","https:\u002F\u002Fstatic.mobiusi.com\u002Fmobiwusi\u002F20250829\u002F7bf4ac62b4533e2b809998a6f1c5491e.png?Expires=1792463130&OSSAccessKeyId=LTAI5tH8MQqhgeiAtrzCHrxM&Signature=v6Tr8jBrdm4s5wU1SnnyGsYg%2Bhw%3D&x-oss-process=image%2Fresize%2Cm_fill%2Cw_35%2Ch_35",[686,692],{"type":687,"title":688,"count_data":689},"bar","Length distribution",[690],{"name":691,"value":483},"1k lower",{"type":693,"title":694,"count_data":695},"pie","Language distribution",[696],{"name":697,"value":483},"English"]