{
  "noteId": "subjunctive-triggers",
  "target_count": 60,
  "seed_count": 45,
  "generated_count": 15,
  "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."},
    {"sentence": "Quiero que tú _____ ahora. (hablar)", "correct": "hables", "distractor": "hablas", "explanation": "-ar verbs take -e endings in present subjunctive."},
    {"sentence": "Espero que él _____ algo nuevo. (aprender)", "correct": "aprenda", "distractor": "aprende", "explanation": "-er verbs take -a endings."},
    {"sentence": "Es importante que nosotros _____ a tiempo. (llegar)", "correct": "lleguemos", "distractor": "llegamos", "explanation": "-gar → -gue spelling change to keep hard g sound."},
    {"sentence": "Dudo que ella _____ la verdad. (saber)", "correct": "sepa", "distractor": "sabe", "explanation": "saber is one of the 5 fully irregular verbs."},
    {"sentence": "Quiero que tú _____ feliz. (ser)", "correct": "seas", "distractor": "eres", "explanation": "ser → sea, seas, sea…"},
    {"sentence": "Es necesario que él _____ al doctor. (ir)", "correct": "vaya", "distractor": "va", "explanation": "ir → vaya in present subjunctive."},
    {"sentence": "Quiero que nosotros _____ temprano. (dormir)", "correct": "durmamos", "distractor": "dormamos", "explanation": "-ir stem-changer: dormir changes o→u in nosotros."},
    {"sentence": "Recomiendo que tú _____ este texto. (analizar)", "correct": "analices", "distractor": "analizas", "explanation": "-zar → -ce spelling change."},
    {"sentence": "Es bueno que yo _____ paciencia. (tener)", "correct": "tenga", "distractor": "tengo", "explanation": "Irregular yo verb: tengo → tenga across all persons."},
    {"sentence": "Tú esperas que yo _____ el libro. (comprar)", "correct": "compre", "distractor": "compro", "explanation": "esperar (Emotion) triggers subjunctive; -ar takes -e."},
    {"sentence": "Ella desea que nosotros _____ más. (escribir)", "correct": "escribamos", "distractor": "escribimos", "explanation": "-ir verb in subjunctive takes -a endings."},
    {"sentence": "Te recomendamos que tú _____ este coche. (conducir)", "correct": "conduzcas", "distractor": "conduces", "explanation": "Irregular yo: conduzco → conduzcas."},
    {"sentence": "Ellos dudan que él _____ mucho. (decir)", "correct": "diga", "distractor": "dice", "explanation": "Irregular yo: digo → diga."},
    {"sentence": "Es bueno que ella _____ feliz. (ser)", "correct": "sea", "distractor": "es", "explanation": "Impersonal expression triggers subjunctive; ser → sea."},
    {"sentence": "Es triste que ellos _____ sin decir adiós. (ir)", "correct": "vayan", "distractor": "van", "explanation": "ir is fully irregular: vayan."},
    {"sentence": "Yo quiero que él _____ con sus amigos. (jugar)", "correct": "juegue", "distractor": "juega", "explanation": "Stem change u→ue plus -gar spelling change to gu."},
    {"sentence": "Es importante que tú me lo _____ ahora. (dar)", "correct": "des", "distractor": "das", "explanation": "dar is fully irregular: dé, des, dé…"},
    {"sentence": "Yo quería que tú _____ conmigo.", "correct": "hablaras", "distractor": "hablas", "explanation": "Querer in imperfect triggers past subjunctive in the subordinate clause."},
    {"sentence": "Si yo _____ rico, compraría una casa.", "correct": "fuera", "distractor": "soy", "explanation": "Contrary-to-fact si-clauses use the past subjunctive."},
    {"sentence": "Ella esperaba que yo _____ encontrarlo.", "correct": "pudiera", "distractor": "puedo", "explanation": "Esperar in past + W.E.I.R.D. trigger requires past subjunctive of poder."},
    {"sentence": "Ellos dudaban que él _____ lo que era.", "correct": "supiera", "distractor": "sabía", "explanation": "Dudar (Doubt) triggers subjunctive; past frame requires past subjunctive of saber."},
    {"sentence": "Era necesario que nosotros _____ a la escuela.", "correct": "fuéramos", "distractor": "íbamos", "explanation": "Impersonal expression in past + ir uses fuéramos (note accent on nosotros form)."},
    {"sentence": "Tú tenías miedo de que él te lo _____.", "correct": "diera", "distractor": "dio", "explanation": "Emotion in past triggers past subjunctive; dar → diera."},
    {"sentence": "Necesitábamos que tú lo _____ aquí.", "correct": "pusieras", "distractor": "pones", "explanation": "Past necesitar + W.E.I.R.D. trigger; poner → pusieras."},
    {"sentence": "Yo esperaba que ellos _____ un perro.", "correct": "tuvieran", "distractor": "tienen", "explanation": "Esperar in imperfect requires past subjunctive of tener."},
    {"sentence": "Yo espero que tú _____ dormido bien.", "correct": "hayas", "distractor": "has", "explanation": "Esperar triggers subjunctive; haber must be in present subjunctive (hayas)."},
    {"sentence": "Es posible que nosotros _____ hecho algo malo.", "correct": "hayamos", "distractor": "hemos", "explanation": "Impersonal expression triggers subjunctive form of haber."},
    {"sentence": "No creemos que tú hayas _____ mucho.", "correct": "comido", "distractor": "comer", "explanation": "After haya- forms you need a past participle, not an infinitive."},
    {"sentence": "Es triste que él no lo _____ pasado.", "correct": "haya", "distractor": "ha", "explanation": "Emotion (es triste) triggers subjunctive; the object pronoun lo goes before haya."},
    {"sentence": "Es imposible que ellos hayan _____ un libro.", "correct": "escrito", "distractor": "escribido", "explanation": "Escribir has the irregular past participle escrito."},
    {"sentence": "Es una lástima que ellos no me lo _____ dado.", "correct": "hayan", "distractor": "han", "explanation": "Impersonal triggers subjunctive; both pronouns precede the haber form."},
    {"sentence": "Ella duda que nosotros _____ venido tan rápido.", "correct": "hayamos", "distractor": "habíamos", "explanation": "Dudar triggers subjunctive in the present, not the past — use hayamos."},
    {"sentence": "Yo dudaba que tú _____ llegado.", "correct": "hubieras", "distractor": "habías", "explanation": "Dudar in past triggers past perfect subjunctive of haber."},
    {"sentence": "No había nadie que _____ dormido.", "correct": "hubiera", "distractor": "había", "explanation": "Negative antecedent (nadie) plus past frame requires past perfect subjunctive."},
    {"sentence": "No era cierto que yo lo _____ llamado.", "correct": "hubiera", "distractor": "había", "explanation": "Impersonal negation triggers subjunctive; the object pronoun lo precedes hubiera."},
    {"sentence": "Si tú _____ estudiado, habrías aprobado.", "correct": "hubieras", "distractor": "habías", "explanation": "Past contrary-to-fact si-clause uses past perfect subjunctive."},
    {"sentence": "Tú esperabas que él _____ ganado el juego.", "correct": "hubiera", "distractor": "ha", "explanation": "Esperar in past + past-of-past meaning needs hubiera + past participle."},
    {"sentence": "¿Había alguien que _____ visto la película?", "correct": "hubiera", "distractor": "ha", "explanation": "Indefinite/uncertain antecedent in past triggers past perfect subjunctive."},
    {"sentence": "Ojalá que mañana _____ sol. (hacer)", "correct": "haga", "distractor": "hace", "explanation": "Ojalá always triggers the subjunctive."},
    {"sentence": "Creo que él _____ en casa. (estar)", "correct": "está", "distractor": "esté", "explanation": "Affirmative creer expresses certainty → indicative."},
    {"sentence": "No creo que él _____ razón. (tener)", "correct": "tenga", "distractor": "tiene", "explanation": "Negated creer expresses doubt → subjunctive."},
    {"sentence": "Te llamo cuando _____ a casa. (llegar)", "correct": "llegue", "distractor": "llego", "explanation": "Cuando referring to a future action takes the subjunctive."},
    {"sentence": "Siempre te llamo cuando _____ a casa. (llegar)", "correct": "llego", "distractor": "llegue", "explanation": "Habitual cuando uses indicative."},
    {"sentence": "Busco un libro que _____ interesante. (ser)", "correct": "sea", "distractor": "es", "explanation": "Unknown/hypothetical antecedent triggers subjunctive."},
    {"sentence": "Tengo un amigo que _____ francés. (hablar)", "correct": "habla", "distractor": "hable", "explanation": "Known, existing antecedent → indicative."},
    {"sentence": "Trabajo para que mis hijos _____ una vida mejor. (tener)", "correct": "tengan", "distractor": "tienen", "explanation": "Para que always triggers the subjunctive."},
    {"sentence": "Te ayudo aunque no me lo _____. (pedir)", "correct": "pidas", "distractor": "pides", "explanation": "Aunque with hypothetical/future sense uses subjunctive."},
    {"sentence": "Es evidente que él _____ cansado. (estar)", "correct": "está", "distractor": "esté", "explanation": "Affirmative es evidente expresses certainty → indicative."},
    {"sentence": "Quizás ellos _____ mañana. (venir)", "correct": "vengan", "distractor": "vienen", "explanation": "Quizás expresses doubt → subjunctive."},
    {"sentence": "Tan pronto como _____ el trabajo, salgo. (terminar)", "correct": "termine", "distractor": "termino", "explanation": "Tan pronto como with future reference takes subjunctive."},
    {"sentence": "Antes de que tú _____, llámame. (salir)", "correct": "salgas", "distractor": "sales", "explanation": "Antes de que always triggers subjunctive."},
    {"sentence": "Me alegro de que tú _____ aquí. (estar)", "correct": "estés", "distractor": "estás", "explanation": "Alegrarse de (Emotion) triggers subjunctive."},
    {"sentence": "Es obvio que tú _____ razón. (tener)", "correct": "tienes", "distractor": "tengas", "explanation": "Es obvio expresses certainty → indicative."}
  ]
}
