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    瞬间动词用于完成时态不能与for + 一段时间 或since + 时间连用. 常见瞬间动词有:arrive, reach, start, begin, leave, close, open, finish, join, buy, die, find, see, go, 但可以与否定式连用 例:He has joined the army for three years. 误 He joined the army three years ago. 正 He hasn’t returned home for 3 years. 3) 完成进行时态与进行时态的区别 完成进行时态表示动作从过去一直持续到现在,而进行时时态只指目前正在发生的动作. 例:He has been reading that magazine since last night. He is reading a magazine. 4) 在状语从句中代替将来时态. 例:Don’t get off the bus until it has stopped. I will give my opinion when I have read the book through. We will start at eight if it has stopped rained by then. 【查看更多】

     

    题目列表(包括答案和解析)

    根据所给汉语意思或动词，完成下列句子。

    1.这部电影是根据一部著名的小说改编的。

    The film is _________  _________ a famous novel.

    2.我们努力想让他平静下来，但他还是激动地大叫。

    We tried to ________ him  ________ , but he kept shouting excitedly.

    3.Since he has decided to go there, nothing will ______________(改变主意).

    4.I went to see my grandfather __________________________(每几周).

    5.I won’t have you _______ ______ ______ ______ (作弊而不受惩罚) in the exam.

    6.Many chances ______________(lose) if you don’t work hard.

    7.My brother wants to work in the factory which ____ still ______(build).

     

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    用所给动词的正确时态和语态完成下面句子

    In this school English _______(teach)through TV．

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    用所给动词的正确时态和语态完成下面句子

    Computer science _______(teach)now almost in all universities and institutes．

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    用非谓语动词形式完成下面句子

    失败了三次，他不想再试了。

    _______, he didn’t want to try again．

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    用所给动词的正确时态和语态完成下列句子

    Electricity ________ (discover) two thousand years ago.

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