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HUBLOT Posted 14 years ago
Grammar

"Not that I know" / "Not that I know of"

Hi teachers,



Are both "Not that I know" and "Not that I know of" correct?
  

Top answer

The preposition is necessary. I don’t know why it’s left out there.

— RandomGuy

  • The preposition is necessary.
  • I don’t know why it’s left out there.
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6 Answers
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The preposition is necessary. I don’t know why it’s left out there.
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I believe I hear it from time to time as "Not that I know", but "Not that I know of" is far more usual.

CJ
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Thanks a lot, CJ.

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HUBLOTDo you guess that "Not that I know" used to be more common than "Not that I know of"?
I have no guess at all! I'm not familiar with the history of the expression.
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