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Nicetomeetyou Posted 9 years ago
Grammar

Are both prepositions possible?

I'l have finished doing this job

A) by six p.m. tomorrow

B) at six p.m. tomorrow

  

Top answer

nicetomeetyou I' ll have finished the job by ... A definite time doesn't work for perfect tenses. 'at 6 pm' is a definite time, thus wrong in your context.

  • nicetomeetyou I' ll have finished the job by ...
  • A definite time doesn't work for perfect tenses.
  • 'at 6 pm' is a definite time, thus wrong in your context.
  • 'by 6 pm' means any time before 6, which does make sense for a perfect tense.
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1 Answers
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nicetomeetyouI'll have finished the job by...

A definite time doesn't work for perfect tenses.

'at 6 pm' is a definite time, thus wrong in your context.

'by 6 pm' means any time before 6, which does mak

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