Aprenda inglês de verdade com filmes e livros.

Adicione palavras ou frases para aprender e pratique com outros estudantes.

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Erros comuns

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Ian can speak English very well.
Ian can speaks English very well.

After the verbs can, must, may, shall, and will, use the infinitive without to , and not the third person of the present.

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You ought to come yesterday.
You ought to have come yesterday.
Also possible:
You should have come yesterday.

Don't use must and ought to as past tenses. To express a past duty (which wasn't done) use the perfect infinitive without to after ought to or should, or expressions such as had to, was obliged to.

In indirect speech use must and ought to as past tenses: He said he must do it.

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They asked him to be captain, but he refused.
They asked him to be captain, but he refuses.

If you begin with a verb referring to past time, keep the verb forms in the past. The same rule applies to tenses throughout a composition.

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If he asked me, I would stay.
If he would ask me, I would stay.

Express an improbable condition by the past tense and use the conditional in the main clause. This use of the past tense doesn't indicate a time but a degree of probability.

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He tried to kick the ball away.
He tried to kicked the ball away.

Don't use the simple past tense after to.

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