[初中]全新英语语法13-1 被动语态的构成
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    语态是谓语动词的一种形式,用来说明主语和谓语之间的关系。英语中的语态分主动语态和被动语态两种。主动语态表示主语是动作的执行者;被动语态表示主语是动作的承受者,或者说主语是动作的对象,即主语是谓语动词的逻辑宾语。如:

    We clean the room every day.我们每天打扫房间。(we是clean的执行者)

    The room is cleaned every day.房间每天都打扫。(room是clean的对象)

    注意: 由于被动语态的主语是谓语动词的逻辑宾语,因此只有及物动词才可能有被动语态;不及物动词没有被动语态。

    13-1 被动语态的构成

    被动语态谓语动词的结构是:助动词be+及物动词的过去分词。be本身无词义,但有时态、人称和数的变化。

    被动语态和主动语态一样,也有各种时态。不同的时态的被动语态谓语动词形式又有所不同。

    1.一般现在时的被动语态结构

    一般现在时的被动语态谓语动词结构是:am/is/are+及物动词的过去分词。如:

    Our classroom is cleaned everyday.我们的教室每天都会被打扫。

    I am asked to study hard.我被要求努力学习。

    Knives are used for cutting things.刀是用来割东西的。

    注意: am用于第一人称单数I之后;is用于主语是第三人称单数名词或代词之后;are用于第二人称单数及各人称复数名词或代词之后。

    2.一般过去时的被动语态结构

    一般过去时态的被动语态谓语动词结构是:was/were+及物动词的过去分词。如:

    A new shop was built last year.去年一个新的商店建好了。

    Dinosaur eggs were laid long long ago.恐龙蛋是很久很久以前下的。

    注意: was用于第一人称单数I和第三人称单数名词或代词之后;were用于主语是第二人称单数及各人称复数名词或代词之后。

    3.一般将来时的被动语态结构

    一般将来时的被动语态谓语动词结构是:will/shall+be+及物动词的过去分词。如:

    A new hospital will be built in our city.在我们城市将要建一座新的医院。

    Many more trees will be planted next year.明年将要再植许多树。

    4.现在完成时的被动语态结构

    现在完成时的被动语态谓语动词结构是:have/has+been+及物动词的过去分词。如:

    This book has been translated into many languages.这本书已被翻译成许多种语言。

    Many man-made satellites have been sent up into space by many countries.许多国家已经发射了人造卫星进入太空。

    5.现在进行时的被动语态结构

    现在进行时的被动语态谓语动词结构是:am/is/are+being+及物动词的过去分词。如:

    My bike is being repaired by Tom now.汤姆正在修理我的自行车。

    Trees are being planted over there by them.他们正在那里植树。

    6.过去将来时的被动语态结构

    过去将来时的被动语态谓语动词结构是:should/would+be+及物动词的过去分词。如:

    We were told that a big reservoir would be built in his hometown.我们被告知人们将在他家乡建一个大水库。

    He said that the meeting would be held next week.他说会议将于下周举行。

    7.过去进行时的被动语态结构

    过去进行时的被动语态谓语动词结构是:was/were+being+及物动词的过去分词。如:

    He said that the man was being operated on.他说那个人正在动手术。

    He told me that a new station was being built there.他告诉我说那里正在建一个新车站。

    8.过去完成时的被动语态结构

    过去完成时的被动语态谓语动词结构是:had+been+及物动词的过去分词。如:

    He said that the work had been finished .他说工作已经完成了。

    When I got to the theater,I found the tickets had already been sold out.当我到达剧院时,我发现票已经卖完了。

    9.含有情态动词的被动语态结构

    含有情态动词的被动语态谓语动词结构是:情态动词+be+及物动词的过去分词。如:

    Young trees must be watered often.小树必须经常浇水。

    Your mistakes should be corrected right now.你的错误应当马上改正。

    The door may be locked inside.门可能从里面反锁了。

    Your homework can be handed in tomorrow.你的作业可以明天交。

    10.动词不定式的被动语态结构

    动词不定式的被动语态结构是:to+be+及物动词的过去分词。如:

    There are two books to be read .有两本书要看。

    There are twenty more trees to be planted .有二十棵树要栽。

    11.特殊形式的被动语态结构

    (1)含有be going to结构的被动语态:be going to+be+过去分词。表示“……打算被做”。如:

    The plan is going to be carried out next week.该计划准备下周实施。

    (2)have/has/had to结构的被动语态:have/has/had to+be+过去分词,表示“不得不被做”。如:

    The news has to be kept secret.这个消息必须保密。

    The work will have to be done with great care.这项工作不得不小心处理。

    (3)be+不定式结构的被动语态:be+to+be+过去分词。表示“按照计划、规定、要求必须被做”。

    The book is to be published next year.这本书明年将出版。

    A new computer center is to be set up very soon.一个新的计算机中心很快就会建立。

    (4)be sure+不定式结构的被动语态:be sure+to+be+过去分词。表示“一定会被做”。如:

    These difficulties are sure to be overcome .这些困难一定会被克服。

    This problem is sure to be considered as the most serious.这个问题一定会被看作是最严重的。

    (5)“be about+不定式”结构的被动语态:be about+to+be+过去分词。表示“眼下将要被做”。如:

    The car is about to be repaired .这辆汽车马上就要修了。

    The work is about to be finished .工作马上就做好了。

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