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Thread: whether or if


    • Join Date: Sep 2010
    • Posts: 7
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    #1

    whether or if

    when should I use whether ? and what are the cases where I should use if ?

    For example, if I say

    1-How do I know if he says the truth or not?
    2- How do I know whether he says the truth or not?

    which sentence is correct and why?
    thanks in advance

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    #2

    Re: whether or if

    Whether is common when we have a clear binary choice, especially when or not is used. Here, whether works better for me.

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