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Navitasan Posted 14 years ago
Grammar

Deduction/must have

Are these sentences correct:

1-If John knows where I am, he has to have talked to Merv.
2-If John knows where I am, he must have talked to Merv.

3-If John knew where I was, he had to have talked to Merv.
4-If John knew where I was, he must have talked to Merv.

Gratefully,
Navi.
  

Top answer

Yes.

  • Yes.
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