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    • Join Date: May 2004
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    #1

    can't have/couldn't have

    Is there a difference in using these two questoins?:
    -They can't have done it. They weren't here.
    -They couldn't have done it. They weren't here.

    Thanks.
    Lenka

  1. Natalie27
    Guest
    #2

    Re: can't have/couldn't have

    Quote Originally Posted by Lenka
    Is there a difference in using these two questoins?:
    -They can't have done it. They weren't here.
    -They couldn't have done it. They weren't here.

    Thanks.
    Lenka
    The first sentence is wrong, Lenka.
    The second sentence sounds fine to me.

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    #3

    Re: can't have/couldn't have

    'They can't have done it' is an absolutely correct English sentence. Its meaning is past impossibility (note the perfect infinitive), and just the opposite to 'They must have done it'.

    Dear Experts, please correct me if I'm wrong.

    All the best,

    Tee Kay


    • Join Date: May 2004
    • Posts: 863
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    #4

    Re: can't have/couldn't have

    I think the first question is all right, isn't it?
    can someone other have a look at it, please?


    Lenka

  2. TheMadBaron
    Guest
    #5

    Re: can't have/couldn't have

    They're both fine.

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