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Anonymous Posted 12 years ago
Grammar

Use of if

I am not sure if we have this store here.
I am not sure we have this store here.

Are both correct or only the one with 'if'? If both are correct, which is better?
  

Top answer

Yes, both are possible. I am not sure if we have this store here. ~ I don't really know whether or not we have this store here (maybe we do; maybe we don't).

— Ozzourti

  • Yes, both are possible.
  • I am not sure if we have this store here.
  • ~ I don't really know whether or not we have this store here (maybe we do; maybe we don't).
  • "
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3 Answers
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Yes, both are possible.

I am not sure if we have this store here. ~ I don't really know whether or not we have this store here (maybe we do; maybe we don't).
I am not sure [that] we have this store here has an underlying meaning of "I don't think we have this store here (we most likely don't)."
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Thanks. So for the second one, do I need to use the word 'that'?

And, basically the second one suggests that, as you explained, I am quite sure that we don't have the store. Did I understand correctly?
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AnonymousThanks. So for the second one, do I need to use the word 'that'?
It is not mandatory, but it's probably better to include it in careful formal writing. It is often omitted in speech.
AnonymousAnd, basically the second one suggests that, as you explained, I am quite sure that we don't have the store. Did I understand correctly?
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