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Habibaelgindy Posted 11 years ago
Grammar

for or in??

hi,
Can you please what's the difference between for and in?

A: I haven't eaten cereal for/in a month.
B: I haven't eaten cereal for/in 3 days.

C: I haven't slept in/for 3 days

Thanks in advance.
  

Top answer

To me, they are the same/interchangeable. I happen to use "for" in all those examples, but could use "in" instead. In the positive case however: I have been eating cereal for a month.

— Wilpeter

  • To me, they are the same/interchangeable.
  • I happen to use "for" in all those examples, but could use "in" instead.
  • In the positive case however: I have been eating cereal for a month.
  • )
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1 Answers
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To me, they are the same/interchangeable.
I happen to use "for" in all those examples, but could use "in" instead.
In the positive case however:
I have been eating cereal for a month. ("in" wouldn't fit.)
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