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    #1

    since + past simple / present perfect

    Hi. Can you tell me if there's any difference in meaning between the sentences below? They are taken from one of the English books.
    The book says that we can say:
    1) It is three years since I saw Bill OR
    2) It is three years since I have seen Bill.
    1) It is two months since Tom smoked a cigarette OR
    2) It is two months since Tom has smoked a cigarette.

  1. Raymott's Avatar
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    #2

    Re: since + past simple / present perfect

    They mean the same for almost all purposes.

  2. Matthew Wai's Avatar
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    #3

    Re: since + past simple / present perfect

    Only the simple past could be used if 'last' was added after 'I' and 'Tom'.
    Is it correct?
    Not a teacher.

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