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Abil Posted 18 years ago
Grammar

ago and back

He left the school thirty years ago/back.

Can I replace ago with back?

Thanks.
  

Top answer

It's fine conversationally, or casually. I don't think it's formal. - A.

  • It's fine conversationally, or casually.
  • I don't think it's formal.
  • - A.
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3 Answers
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It's fine conversationally, or casually. I don't think it's formal.

- A.
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In oral/spoken English perhaps but not in written English.
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Thanks Mr. Avangi and TMNTJG

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