练习册

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    Do you know if back next week? If he back, please let me know. A. he comes; will come B. will he come; comes C. he will come; comes D. will he come; will come [析] 2. C.if既可引导宾语从句.也可引导状语从句.充当宾语从句的连接词时.相当于whether.词义是“是否 .充当状语从句的连接词时.词义是“如果 .从时态看.if引导宾语从句时谓语动词的时态应根据主句的时态作相应的变化,引导表示将来动作或状态的条件句时.若主句用一般将来时.则从句通常用一般现在时表示将来. 【查看更多】

     

    题目列表(包括答案和解析)

    --- Do you know if ________ back next week?

    --- If he ________ back, please let me know.

    [　　]

    A．he comes; will come
    B．will he come; comes
    C．he will come; comes
    D．will he come; will come

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    句型转换

    Has J．K．Rowling sold over two hundred million hooks?Do you know？(合并为主从复合句)

    Do you know if J．K．Rowling ________　________ over two hundred million books?

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    －Tommy, do you know if Frank ________ to the theatre with us this Sunday if it ________?

    －Sorry, I have no idea．

    [　　]
    A．

    will go, is fine

    B．

    goes, is fine

    C．

    will go, is going to be fine

    D．

    goes, will be fine

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    Do you know if he ________ back in two hours?

    [　　]

    A．will be

    B．comes

    C．has been

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    －Tom, do you know if Sam ________ to my party next week?

    －I think she will come if she ________ free．

    [　　]

    A．comes;will be

    B．will come;is

    C．comes;is

    D．will come;will be

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