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Anonymous Posted 13 years ago
Grammar

don't or haven't

don't or haven't

Unless I don't/haven't heard back from her in an hour, I'll take it she's fine.
  

Top answer

I would say if I don't hear/haven't heard fro her....

— Philip

  • I would say if I don't hear/haven't heard fro her....
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2 Answers
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I would say if I don't hear/haven't heard fro her....
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Anonymousdon't/haven't heard
The parts of the verb 'hear' are 'hear', 'heard', 'heard'.

do and don't can only be used with the first part of the verb ('hear').
have and haven't can only be used with the third part ('heard').

don't heard is wrong.
haven't heard is correct.
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