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    #1

    There are 7 days in a week.

    Would someone check the below sentences, and tell me whether or not they are grammatically OK?

    There are 7 days in a week.
    A week has 7 days.
    7 days is a week.

    A week is 7 days.
    7 days are a week.

    Thank you in advance,

    Yoshio

  1. 5jj's Avatar
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    #2

    Re: There are 7 days in a week.

    The first two are fine.

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    #3

    Re: There are 7 days in a week.

    Additionally, I would accept "A week is seven days" although it is not as natural as the first two.
    Remember - correct capitalisation, punctuation and spacing make posts much easier to read.

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    #4

    Re: There are 7 days in a week.

    7 days is a week.
    You could use make there.

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    #5

    Re: There are 7 days in a week.

    Seven days constitute a week.

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    #6

    Re: There are 7 days in a week.

    Quote Originally Posted by dut_thinker View Post
    Seven days constitute a week.
    It doesn't sound that natural to me to use this verb- it sounds a bit too formal.

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    #7

    Re: There are 7 days in a week.

    Thank you all for useful information.
    So the following two are not right.

    Seven days is a week.
    Seven days are a week.

    Thank you again for your help. I really appreciate it.

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