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AntisocialObecny Posted 6 years ago
Grammar

Do/done/have done

“How could you do/done/have done this?”

What’s the difference between them? I might be mistaken and the middle one doesn’t even exist. I’m not really sure, so just asking.

  

Top answer

pen mango 447 I might be mistaken and the middle one doesn’t even exist. Exactly. The middle one doesn't exist.

  • pen mango 447 I might be mistaken and the middle one doesn’t even exist.
  • Exactly.
  • The middle one doesn't exist.
  • pen mango 447 How could you [do/have done] this?
  • difference ...?
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1 Answers
0
pen mango 447I might be mistaken and the middle one doesn’t even exist.

Exactly. The middle one doesn't exist.

pen mango 447How could you [do/have done] this? ... difference ...?

'could do' relates to present or future time.
'could have done' relates to past time.

CJ

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