Could Have + Past Participle

The structure could have + past participle is used to say that somebody was capable of doing something, but didn’t try to do it.

  • He could have become the President if he had contested the election.
  • I was so angry I could have killed him.
  • I could have married her if I had wanted to.
  • She could have won the race if she had run a bit faster.

This structure can also be used to criticize people for not doing things.

  • You could have asked me before using my computer.
  • You could have finished that project before starting another.
  • You could have locked the door before going out.
  • He could have consulted his doctor before taking that drug.
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Manjusha Nambiar

Hi, I am Manjusha. This is my blog where I give English grammar lessons and worksheets.

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