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Anonymous Posted 13 years ago
Grammar

Using Have did?

while asking question, where we need to use Have and DID ?
  

Top answer

Two common cases are as follows. Questions in the simple past tense use "did". " Questions in the present perfect tense use "has" or "have" (depending on subject).

— GPY

  • Two common cases are as follows.
  • Questions in the simple past tense use "did".
  • " Questions in the present perfect tense use "has" or "have" (depending on subject).
  • "
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2 Answers
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Two common cases are as follows.

Questions in the simple past tense use "did". For example, "He crashed his car" -> "Did he crash his car?"

Questions in the present perfect tense use "has" or "have" (depending on subject). For example, "He has crashed his car" -> "Has he crashed his car?" / "I have won the lottery" -> "Have I won the lottery?"
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Anonymous while asking question, where we need to use Have and DID ?
Use 'have' (or 'has') with a past participle; use 'did' with the plain verb.

Have you gone ...?
Did you go ...?

Have they finished ...?
Did they finish ...?

Has Lucy eaten ...?
Did Lucy eat ...?

CJ
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