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Belly Posted 19 years ago
Grammar

Can and could

I have seen people use : "Can have done" and "Could have done". But when to use them? In which case?
  

Top answer

I don't think I ever use "can have done". I think I always use "could have done". CJ

— CalifJim

  • I don't think I ever use "can have done".
  • I think I always use "could have done".
  • CJ
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4 Answers
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I don't think I ever use "can have done".
I think I always use "could have done".

CJ
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For me, I would usually use "could have done"

hope it helps
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If you go with the perfect infinitive, you use "could". End of story.
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I totally agree CJ's common
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