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  1. #1
    Yura Reiri is offline Junior Member
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    Default Once + past form of the verb?

    I'm still hesitant about using 'once' because I don't know what form of the verb will follow.

    Example:

    Call me once you finished it.

    Call me once you finish it.

    Which is correct?

    Thank you.

  2. #2
    Raymott's Avatar
    Raymott is offline VIP Member
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    Default Re: Once + past form of the verb?

    Quote Originally Posted by Yura Reiri View Post
    I'm still hesitant about using 'once' because I don't know what form of the verb will follow.

    Example:

    Call me once you have finished it.

    Call me once you finish it.

    Which is correct?

    Thank you.
    The first one isn't correct unless you make that correction. The amended sentence is in the present perfect, and the second is in the simple present. They are now both correct.

  3. #3
    Yura Reiri is offline Junior Member
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    Default Re: Once + past form of the verb?

    So I can only use it with the simple present and present perfect. Thank you.
    But what will be the difference in using the simple present and the present perfect?

  4. #4
    Raymott's Avatar
    Raymott is offline VIP Member
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    Default Re: Once + past form of the verb?

    Quote Originally Posted by Yura Reiri View Post
    So I can only use it with the simple present and present perfect. Thank you.
    But what will be the difference in using the simple present and the present perfect?
    In practice, there's no difference in meaning.

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