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Choose the correct form: If I ____ known about the test, I would have prepared.

Correct answer: B. had

  • A. have
  • B. had
  • C. would have
  • D. has

Explanation

The third conditional describes an unreal past and takes if plus past perfect in one clause and would have plus past participle in the other. Writing if I would have known is a common error and is marked wrong. The pattern always keeps would out of the if clause.

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About Tenses

Tenses show when an action or state occurs and whether it is complete, continuing or repeated. The work covers present, past and future forms, including simple, continuous, perfect and perfect continuous constructions, as well as sequence of tenses and the difference between tense and aspect.

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