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Agarista Posted 14 years ago
Grammar

OF vs IN

In the same exercise I was given these two examples:
a) It was a very happy day. It was the happiest day of my life.
b) It was a very bad mistake. It was the worst mistake in my life.
Are the prepositions of and in interchangeable here? Can I say It was the happiest day in my life and It was the worst mistake of my life ? I find prepositions really confusing and most of the times I second guess the way I have used them.
  

Top answer

I would use of in both sentences. Some may find in acceptable.

  • I would use of in both sentences.
  • Some may find in acceptable.
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4 Answers
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I would use of in both sentences. Some may find in acceptable.
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There's a song by Pink Floyd... "The Happiest Days of Our Lives"

I've never heard in being used there... and yet when I come to think of it, it sounds somewhat better to me to use in in the second sentence about the worst mistake

For example:
  • It was the worst mistake I've ever
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Thank you for your reply. So basically both are acceptable, but "of" is more common.
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Perfect Stranger, I didn't see your post until now.Yes, I know the song Emotion: smile

Maybe you are right about the second sentence, as

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