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Anonymous Posted 8 years ago
Grammar

Which one is correct?

I will have left at 8 o'clock.

I will have left by 8 o'clock.

  

Top answer

Both are grammatically correct. You must use 1st one. I will have left at 8 o'clock.

  • Both are grammatically correct.
  • You must use 1st one.
  • I will have left at 8 o'clock.
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2 Answers
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Both are grammatically correct. You must use 1st one.

I will have left at 8 o'clock.

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anonymousI will have left by 8 o'clock.

This one is preferred.


The future perfect is often used with "by + a time", "before + a time", or "in + a time".

I will have left here in a week.

I will have left here before John arrives.

I will have left here by the end of the week.

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