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Anonymous Posted 15 years ago
Grammar

Do I use in or for?

She has not slept in 5 days.

Do I use in or for? Is there a difference?

I want to say that she stayed up for 5 days.

Thank you!
  

Top answer

They're both common, correct, and natural. "For" focuses on the continual absence of sleep. " "In" focuses on the absence of any occurrence of sleep.

— Avangi

  • They're both common, correct, and natural.
  • "For" focuses on the continual absence of sleep.
  • " "In" focuses on the absence of any occurrence of sleep.
  • It has not happened even once.
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1 Answers
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They're both common, correct, and natural.

"For" focuses on the continual absence of sleep. "She has stayed awake for five days."

"In" focuses on the absence of any occurrence of sleep. It has not happened even once.
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