{
  "chapter_id": "44",
  "slug": "conditional-perfect-tense",
  "title": "Conditional Perfect Tense",
  "time_range_sec": [12051, 12168],
  "summary": "The conditional perfect expresses what would have happened. Formed with the conditional of haber (habría, habrías, habría, habríamos, habríais, habrían) plus a past participle.",
  "suggested_grammar_note_id": "conditional-if-clauses",
  "rules": [
    {
      "title": "Formation",
      "bullets": [
        "Conditional of haber + past participle.",
        "haber forms: habría, habrías, habría, habríamos, habríais, habrían.",
        "Past participle is invariable in compound tenses (always ends in -o)."
      ]
    },
    {
      "title": "Usage",
      "bullets": [
        "Describes an action that would have happened but did not.",
        "Pairs with the pluperfect subjunctive in contrary-to-fact si clauses: 'Si hubiera estudiado, habría aprobado.'",
        "Rare in casual speech; common in writing and formal contexts."
      ]
    }
  ],
  "examples": [
    {"es": "Yo habría terminado mi trabajo.", "en": "I would have finished my work.", "tags": ["regular-participle"]},
    {"es": "Tú habrías disfrutado estar ahí.", "en": "You would have enjoyed being there.", "tags": ["regular-participle"]},
    {"es": "Ella habría abierto las ventanas.", "en": "She would have opened the windows.", "tags": ["irregular-participle"]},
    {"es": "Nosotros habríamos comido más.", "en": "We would have eaten more.", "tags": ["regular-participle"]},
    {"es": "Ellos habrían venido a la fiesta.", "en": "They would have come to the party.", "tags": ["regular-participle"]},
    {"es": "Yo habría dicho la verdad.", "en": "I would have told the truth.", "tags": ["irregular-participle"]},
    {"es": "¿Habrías hecho lo mismo?", "en": "Would you have done the same?", "tags": ["irregular-participle", "question"]}
  ],
  "vocab": [
    {"es": "habría", "en": "would have (1s/3s)", "pos": "verb"},
    {"es": "abierto", "en": "opened (irreg. participle)", "pos": "adj"},
    {"es": "dicho", "en": "said (irreg. participle)", "pos": "adj"},
    {"es": "hecho", "en": "done/made (irreg. participle)", "pos": "adj"},
    {"es": "puesto", "en": "put (irreg. participle)", "pos": "adj"},
    {"es": "visto", "en": "seen (irreg. participle)", "pos": "adj"}
  ],
  "conjugation_tables": [
    {
      "verb": "haber",
      "tense_id": "cond_presente",
      "forms": {"yo": "habría", "tu": "habrías", "el": "habría", "nosotros": "habríamos", "vosotros": "habríais", "ellos": "habrían"}
    },
    {
      "verb": "terminar",
      "tense_id": "cond_perfecto",
      "forms": {"yo": "habría terminado", "tu": "habrías terminado", "el": "habría terminado", "nosotros": "habríamos terminado", "vosotros": "habríais terminado", "ellos": "habrían terminado"}
    },
    {
      "verb": "abrir",
      "tense_id": "cond_perfecto",
      "forms": {"yo": "habría abierto", "tu": "habrías abierto", "el": "habría abierto", "nosotros": "habríamos abierto", "vosotros": "habríais abierto", "ellos": "habrían abierto"}
    }
  ],
  "exercises": [
    {"sentence": "Yo _____ terminado mi trabajo.", "correct": "habría", "distractor": "había", "explanation": "Conditional perfect uses habría (would have), not había (had)."},
    {"sentence": "Ella habría _____ las ventanas.", "correct": "abierto", "distractor": "abrido", "explanation": "abrir has the irregular participle abierto."},
    {"sentence": "Tú _____ disfrutado estar ahí.", "correct": "habrías", "distractor": "habrás", "explanation": "Second-person conditional of haber."},
    {"sentence": "Nosotros _____ venido si nos hubieran invitado.", "correct": "habríamos", "distractor": "habremos", "explanation": "Hypothetical past needs conditional perfect, not future perfect."},
    {"sentence": "Yo habría _____ la verdad.", "correct": "dicho", "distractor": "decido", "explanation": "decir → dicho (irregular participle)."},
    {"sentence": "Ellos _____ hecho lo mismo.", "correct": "habrían", "distractor": "han", "explanation": "Conditional perfect: habrían + participle."}
  ],
  "caveats": "OCR mangled 'habría' → 'abria/ABA'. Form is standard; reconstructed from canonical paradigm."
}
