第三讲 谓语语态 Voice.doc

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1、第三讲 谓语语态 (Voice)【语法讲解】一、 形式汉语里, 我们会听到类似这样的句子:1)“我打他了。”2)“他被我打了。”这两个句子表达的是同样的内容,但第一句强调的是“是我打的他”,而第二句强调的是“是他挨打了”。两个句子的侧重点有所不同。第一句“我”是主语,谓语“打”这个动作是“我”发出的,所以第一句在语法上叫做“主动语态”;第二句“他”是主语,“他”是“打”这个动作的承受者,所以第二句在语法上叫做“被动语态”。与之相对应的英语译文是:1)I beat him.2) He was beaten by me.汉语里的被动语态是通过“被”字体现的,而英语中,被动语态是通过 “be+及物动

2、词的过去分词”的这一形式体现出来的。以动词do为例,常用的被动语态的各种时态的形式如下: 现在时 过去时 将来时 过去将来时一般 is (am, are) done was (were) done will (shall) be done would (should) be done进行 is (am, are) being done was (were) being done _ _完成 have (has) been done had been done _ _【特别提醒】1) 被动语态中,助动词be有时态、人称和数的变化。2) 能够在被动语态中使用的动词必须是“及物动词”,因为只有及物动

3、词才有宾语,才能将其宾语转换为被动语态句中的主语。3) 在被动语态句中,通常不用指出动作的执行者。如果有必要指出,则在句末用介词by代表动作执行者的名词或代词来表示。【强化练习】判断下列被动语态句的时态1) Cars are seen everywhere in cities.2) The work was finally finished.3) Mary will be invited to dinner tonight.4) The window has been broken.5) The classroom is being cleaned by the students.6) The

4、 house had been repaired before he came back.7) He said that no water would be brought to the river if there was no rain.8) The program was being broadcasted when he cooked.【练习解析】判断被动语态句的时态主要以助动词be的变化为依据。因此:1句中are说明本句是一般现在时;2句中was说明本句是一般过去时;3句中will be说明本句是一般将来时;4句中has been说明本句是现在完成时;5句中is being说明本句是

5、现在进行时;6句中had been说明本句是过去完成时;7句中would be说明本句是过去将来时;8句中was being说明本句是过去进行时。二、 主动语态向被动语态的转换主动语态向被动语态的转换可以分为三步:1) 确定句子的主、谓、宾;2) 确定句子的时态; 3) 将主动语态句中的宾语转换为被动语态句中的主语,并要求被动语态句中的助动词be在人称和数上与之保持一致。被动语态句的时态与原句一致,原句的谓语动词要变为过去分词放在助动词be之后。例如:People keep all the books in good order in the library.1) 句子的主语是people,谓

6、语是keep,宾语是all the books;2) 句子的时态是一般现在时;3) 将主动语态句的宾语all the books用作被动语态句的主语,助动词be变为一般现在时are,将keep变为过去分词kept。动作执行者people在被动语态句中可以省略。所以,这句话的被动语态的形式为:All the books are kept in good order in the library.再例如:The police asked each of them about the accident.1) 句子的主语是the police,谓语是asked,宾语是each of them;2) 句

7、子的时态是一般过去时;3) 将主动语态句的宾语each of them用作被动语态句的主语,助动词be变为一般过去时was,ask的过去分词是asked。动作的执行者the police可以放在句末,通过介词短语by the police来表示。所以,这句话的被动语态的形式为:Each of them was asked about the accident by the police.【特别提醒】1) 含有情态动词的被动语态的结构构成是:情态动词be及物动词的过去分词。例如:Bad things sometimes can be turned into good things.2) 短语动词

8、(即动词介词或副词等)应作为一个整体看待,变为被动语态时不能丢掉构成短语动词的介词或副词等。例如:The children have been taken good care of by the nurse.3) 主动语态中若是有双宾语,变被动语态结构时,只将其中一个宾语变为主语,另一个宾语不变。例如:I gave him a watch.在这个句子中有两个宾语,him(间接宾语)和a watch(直接宾语)。可以选择间接宾语him作被动语态中的主语,则这句话的被动语态为:He was given a watch by me. 或者选择直接宾语a watch作被动语态中的主语,则这句话的被动语

9、态为:A watch was given to him. 注意:当直接宾语用作被动语态的主语时,后面保留的间接宾语前有时要加一个介词to。【强化练习】将下列句子改为被动语态1) Someone had cleaned the window.2) We use the room only on special occasions.3) They were starting a new system.4) You must finish the homework before 9.5) Somebody has already told him to come.【练习解析】1) 句子的主语是som

10、eone,谓语是had cleaned,宾语是the window;句子的时态是过去完成时;将主动语态句的宾语the window用作被动语态句的主语,助动词be变为过去完成时had been,clean的过去分词为cleaned,动作执行者someone在被动语态句中可以省略。所以,这句话的被动语态的形式为:The window had been cleaned.2) 句子的主语是we,谓语是use,宾语是the room;句子的时态是一般现在时;将主动语态句的宾语the room用作被动语态句的主语,助动词be变为一般现在时is,use的过去分词为used,动作执行者we在被动语态句中可以

11、省略。所以,这句话的被动语态的形式为:The room is only used on special occasions.3) 句子的主语是they,谓语是were starting,宾语是a new system;句子的时态是过去进行时;将主动语态句的宾语a new system用作被动语态句的主语,助动词be变为过去进行时was being,start的过去分词为started,动作执行者they在被动语态句中可以省略。所以,这句话的被动语态的形式为:A new system was being started.4) 句子的主语是you,谓语是must finish,宾语是the hom

12、ework;句子中由于出现了情态助动词must,所以不考虑其时态;将主动语态句的宾语the homework用作被动语态句的主语,助动词be在情态动词must后仍为原形be,finish的过去分词为finished,动作执行者you在被动语态句中可以省略。所以,这句话的被动语态的形式为:The homework must be finished before 9.5) 句子的主语是somebody,谓语是has already told,宾语是him;句子的时态是现在完成时;将主动语态句的宾语him用作被动语态句的主语,助动词be变为现在完成时has been,tell的过去分词为told,动

13、作执行者somebody在被动语态句中可以省略。所以,这句话的被动语态的形式为:He has already been told to come.三、 被动语态的用法被动语态常用于以下情况:1) 我们不知道谁是动作的执行者。例如:His car was stolen last week.一个星期前他的汽车被盗了。2) 我们认为没有必要指出或不想指出动作的执行者。例如:TV ads are usually repeated over and over again. 电视广告通常一遍又一遍地重复播放。如果需要指出被动语态句中动作的执行者,则用介词by代表动作执行者的名词或代词。例如:The win

14、dow has been cleaned by Mary.【巩固练习】(九)1将下列句子改为被动语态,并根据情况保留或去掉动作的执行者1) They will say nothing more about this matter.2) They have made some flowers of silk.3) He wrote a poem.4) The students are planting some trees and flowers.5) They are to open up a new business next week.6) Children couldnt have done all this damage.7) All of us will see him off at the airport.8) They feed the tigers at the zoo three times a day.9) You must

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