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Pets: ausência de obrigação com have to (A2)

A pet is not a toy, and different animals need different care. A dog needs a walk every single day, but a cat ___ go outside, and many cats live happily in a small flat. Fish need clean water once a week. Before you bring any animal home, ask a vet how much time it really needs.

Fonte: English for ALL (texto original).

Assinale a alternativa que completa corretamente a lacuna do texto.

  1. A) don't have to
  2. B) doesn't have
  3. C) hasn't to
  4. D) not have to
  5. E) doesn't have to
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Resposta correta: E

Para dizer que algo não é obrigatório usamos a forma negativa de have to com o auxiliar do. Como o sujeito a cat é terceira pessoa do singular, o correto é doesn't have to, e não don't have to. A opção doesn't have perde o to necessário antes do verbo, e hasn't to não existe no inglês moderno, assim como not have to sem auxiliar.

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