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  1. Unregistered
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    #1

    Question grammar structure

    I came across this sentence: Something must be done if endangered species ..........saved.
    a) are to be
    b) can be

    I know that the answer is a) are to be but I can figure out why. Can you help me with an explanation?

  2. Soup's Avatar
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    English Teacher
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    #2

    Re: grammar structure

    • Something must be done if we are to save endangered species.
    • Something must be done if endangered species are to be saved.

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