{
  "chapter_id": "46",
  "slug": "understanding-the-subjunctive",
  "title": "Understanding the Subjunctive",
  "time_range_sec": [12452, 12921],
  "summary": "The subjunctive is a mood that expresses uncertainty, desire, emotion, or hypotheticals. It's triggered by a WEIRD verb (Will, Emotion, Influence, Recommendation, Doubt) plus que and a different subject.",
  "suggested_grammar_note_id": "subjunctive-triggers",
  "rules": [
    {
      "title": "Spotting a subjunctive sentence",
      "bullets": [
        "Construction: S/V + que + S/V (different subjects).",
        "Or: impersonal main clause + que + S/V (e.g., 'Es necesario que…').",
        "The first verb determines whether the subjunctive is activated."
      ]
    },
    {
      "title": "WEIRD trigger categories",
      "bullets": [
        "Will: querer, preferir, necesitar, desear.",
        "Emotion: esperar, gustar, tener miedo, alegrarse de.",
        "Influence: insistir en, desear, mandar.",
        "Recommendation/Request: recomendar, sugerir, aconsejar, pedir.",
        "Doubt/Disbelief/Denial: dudar, negar, no creer, no pensar."
      ]
    },
    {
      "title": "Verbs/expressions that DO NOT trigger the subjunctive",
      "bullets": [
        "creer que, saber que, pensar que (in affirmative) — express opinions/facts.",
        "Es un hecho que, Es verdad que, Es obvio que — statements of fact use the indicative."
      ]
    },
    {
      "title": "Four tenses of the subjunctive",
      "bullets": [
        "Present subjunctive — present/future actions.",
        "Imperfect (past) subjunctive — past actions, contrary-to-fact si clauses.",
        "Present perfect subjunctive — recently completed actions.",
        "Pluperfect subjunctive — past hypotheticals (would have…)."
      ]
    }
  ],
  "examples": [
    {"es": "Yo creo que tú comiste.", "en": "I believe that you ate.", "tags": ["NOT-subjunctive", "creer"]},
    {"es": "Yo sé que tú comiste.", "en": "I know that you ate.", "tags": ["NOT-subjunctive", "saber"]},
    {"es": "Es un hecho que tú comiste.", "en": "It's a fact that you ate.", "tags": ["NOT-subjunctive", "fact"]},
    {"es": "Yo quiero que tú estudies.", "en": "I want you to study.", "tags": ["subjunctive", "querer"]},
    {"es": "Es necesario que estemos aquí.", "en": "It's necessary that we be here.", "tags": ["subjunctive", "impersonal"]},
    {"es": "Espero que tengas un buen día.", "en": "I hope you have a good day.", "tags": ["subjunctive", "esperar"]},
    {"es": "Dudo que él venga.", "en": "I doubt he'll come.", "tags": ["subjunctive", "dudar"]}
  ],
  "vocab": [
    {"es": "querer", "en": "to want (Will)", "pos": "verb"},
    {"es": "esperar", "en": "to hope (Emotion)", "pos": "verb"},
    {"es": "necesitar", "en": "to need (Will)", "pos": "verb"},
    {"es": "desear", "en": "to wish/desire (Influence)", "pos": "verb"},
    {"es": "recomendar", "en": "to recommend (Recommendation)", "pos": "verb"},
    {"es": "sugerir", "en": "to suggest (Recommendation)", "pos": "verb"},
    {"es": "dudar", "en": "to doubt (Doubt)", "pos": "verb"},
    {"es": "negar", "en": "to deny (Denial)", "pos": "verb"},
    {"es": "Es necesario que", "en": "It's necessary that", "pos": "phrase"},
    {"es": "Es importante que", "en": "It's important that", "pos": "phrase"},
    {"es": "Ojalá", "en": "Hopefully / I hope", "pos": "phrase"}
  ],
  "conjugation_tables": [],
  "exercises": [
    {"sentence": "Yo quiero que tú _____ español. (estudiar)", "correct": "estudies", "distractor": "estudias", "explanation": "querer triggers subjunctive; second clause has a new subject."},
    {"sentence": "Es necesario que nosotros _____ aquí. (estar)", "correct": "estemos", "distractor": "estamos", "explanation": "Impersonal expression triggers subjunctive."},
    {"sentence": "Yo sé que tú _____ la verdad. (decir)", "correct": "dices", "distractor": "digas", "explanation": "saber states a fact — indicative, not subjunctive."},
    {"sentence": "Dudo que él _____ a la fiesta. (venir)", "correct": "venga", "distractor": "viene", "explanation": "dudar (Doubt) triggers subjunctive."},
    {"sentence": "Es un hecho que la Tierra _____ redonda. (ser)", "correct": "es", "distractor": "sea", "explanation": "Statement of fact uses indicative."},
    {"sentence": "Espero que tú _____ bien. (estar)", "correct": "estés", "distractor": "estás", "explanation": "esperar (Emotion) triggers subjunctive."},
    {"sentence": "Recomiendo que ustedes _____ todos los días. (practicar)", "correct": "practiquen", "distractor": "practican", "explanation": "recomendar triggers subjunctive; -car → -quen spelling change."}
  ],
  "caveats": "OCR rendered WEIRD as 'weird', 'K' for 'que'. Concept is conventional WEIRDO/WEIRD subjunctive trigger framework."
}
