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    • Join Date: Aug 2009
    • Posts: 69
    #1

    by then

    Hello, I'd like to ask if it is necessary to use Future Perfect with the word by then. So which is correct

    1/ I'll be dead by then.
    2/ I'll have been dead by then.

    1/ I'll know by then.
    2/ I'll have known by then.

    Thank you.

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    #2

    Re: by then

    Quote Originally Posted by Encolpius View Post
    Hello, I'd like to ask if it is necessary to use Future Perfect with the word by then. So which is correct

    1/ I'll be dead by then.
    2/ I'll have been dead by then.

    1/ I'll know by then.
    2/ I'll have known by then.

    Thank you.
    It is possible but not necessary.
    #1 above is the appropriate choice in these cases, where reference is to a future state/condition, not an action.

  1. bhaisahab's Avatar
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    • Join Date: Apr 2008
    • Posts: 25,626
    #3

    Re: by then

    Quote Originally Posted by Encolpius View Post
    Hello, I'd like to ask if it is necessary to use Future Perfect with the word by then. So which is correct

    1/ I'll be dead by then.
    2/ I'll have been dead by then.

    1/ I'll know by then.
    2/ I'll have known by then.

    Thank you.
    If you are going to use "will have been" you have to specify a length of time. For example: "I will have been married for 20 years by then".


    • Join Date: Aug 2009
    • Posts: 69
    #4

    Re: by then

    Thank you for the brilliant explanations I think I got it.

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