[
  {
    "sentence": "Yo _____ un perro.",
    "correct": "tengo",
    "distractor": "tieno",
    "explanation": "yo form of tener is irregular: tengo.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "Tú _____ que pagar.",
    "correct": "tienes",
    "distractor": "tenes",
    "explanation": "Stem change e→ie in tú: tienes.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "Nosotros _____ una clase mañana.",
    "correct": "tenemos",
    "distractor": "tienemos",
    "explanation": "Nosotros keeps the regular stem: tenemos.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "Yo tengo _____ salir. (have to)",
    "correct": "que",
    "distractor": "a",
    "explanation": "tener uses que (not a) before an infinitive.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "Ellos _____ que leer los libros.",
    "correct": "tienen",
    "distractor": "tenen",
    "explanation": "Ellos is in the boot: tienen.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "I'm hungry → Yo _____ hambre.",
    "correct": "tengo",
    "distractor": "estoy",
    "explanation": "Spanish uses tener for hunger; estar is wrong here.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "I'm 19 → Yo tengo 19 _____.",
    "correct": "años",
    "distractor": "soy",
    "explanation": "Age is expressed as 'tengo X años'.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  },
  {
    "sentence": "I'm very hungry → Tengo _____ hambre.",
    "correct": "mucha",
    "distractor": "muy",
    "explanation": "Use mucha/o (adjective) to intensify a tener expression, not muy.",
    "source_chapter": "14",
    "source_title": "The Verb \"Tener\""
  }
]