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Paritosh7122 Posted 13 years ago
Grammar

When and BY THE TIME. Correct usage?

You must be done with all the questions when the instructor

You must be done with all the questions by the time instructor arrives

WHich usage is correct. And when are both usages used?
  

Top answer

Hi, You must be done with all the questions when the instructor arrives. You must be done with all the questions by the time the instructor arrives WHich usage is correct. And when are both usages used?

— Clive

  • Hi, You must be done with all the questions when the instructor arrives.
  • You must be done with all the questions by the time the instructor arrives WHich usage is correct.
  • And when are both usages used?
  • Both are correct.
  • #2 is more common when stating a deadline.
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2 Answers
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Hi,

You must be done with all the questions when the instructor arrives.

You must be done with all the questions by the time the instructor arrives

WHich usage is correct. And when are both usages used?

Both are correct. #2 is
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1 when the instructor arrives.

..........questions..........done
.........................................^ instructor arrives

2 by the time the instructor arrives.

.........questions..{ - - - - done - - - }
...................................................^ instructor arrives

In sentence 2 there is more emphasis on the idea that you can be done at
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