2008年高三英语二轮复习语法被动语态课件+上学期

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1、被动语态复习,一、被动语态的定义: 语态是动词的一种形式,用以表示主语和谓语之间的关系。当主语是谓语动作的执行者,则为主动语态;当主语是谓语动作的承受者,则为被动语态。 被动语态由助动词be+过去分词构成,时态通过be表现出来。,二、各种时态的被动语态构成 1)一般现在时:You are required to do this. 2)一般过去时:The story was told by her. 3)一般将来时:The problem will be discussed tomorrow.,4)现在进行时:The question is being discussed in the meet

2、ing room. 5)过去进行时:The new road was being made. 6)现在完成时:The novel has been read. 7)情态动词:The rubbish can be put into the dustbin over there.,1.They make shoes in that factory.,三、主动语态变被动语态,Shoes,are made,(by them),in that factory.,一般现在时的被动语态构成 : S(主语)+am/is /are +过去分词,2. They bought ten computers last

3、term,Ten computers were bought (by them) last term. 一般过去时:S+was/were +过去分词,3Ling Feng can take good care of Polly ,Polly can be taken good care of by Ling Feng . 情态动词: S+ can/may/must/should + be+过去分词,4.They will finish the work in ten days.,The work will be finished (by them) in ten days. 一般将来时: S+

4、 will+be+过去分词,5. Some workers are painting the rooms now,The rooms are being painted by some workers now. 现在进行时: S+ am/is/are + being +过去分词,6We have made twenty more keys,Twenty more keys have been made by us. 现在完成时: S+ have/has + been+过去分词,7I was doing my homework at 8:00 last night,My homework was

5、 being done (by me) at 8:00 last night. 过去进行时: S+ was/were+being+过去分词,四、何时使用被动语态呢? 一、行为主体不明确,不必说出或者无法说出动作的执行者时。例如: Football is played all over the world 二、不易找到或根本就不可能找到动作的执行者时。例如: My bike was stolen我的自行车被盗了。,三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如: It is said that one day he climbed to the top of a house

6、and It was reported that her mother died of SARS. 众所周知 It is well known that 据推测说 It is supposed that ,四、汉语中含有“被”、“由”等词时。 例如: Wei Hua is asked to come by Lin Tao 魏华是被林涛叫来的。,五、某些句子习惯上用被动语态。例如: He was born in October,1989 六、表示礼貌时。例如: You are friendly invited to come to our English party at 8:00pmtomor

7、row敬请您明天晚上8:00光临我们的英语晚会。,五、在什么情况下不能使用被动语态呢? 1.表示状态的动词,如have,cost,fit,last, own,hold,become等往往不能用于被动语态。例如: 【正】The shirt fits him very well 【误】He is fitted very well by the shirt,2.祈使句一般没有被动语态。例如: 【正】Look at the blackboard,please 【误】The blackboard is looked at by you,3.某些及物动词的宾语表示处所、地点、组织时不能用于被动语态。例如:

8、 【正】He joined the League in 1998 【误】The League was joined by him in 1998,4.由“动词名词”构成的英语习语(如make faces,make friends,take place等)一般不可改为被动语态。例如: 【正】The boy make faces in class 【误】Faces are made by the boy in class Great changes have taken place in Jinan since last year.,5.反身代词在句中作宾语时,不能用被动语态。例如: 【正】You

9、 must look after yourself 【误】Yourself must be looked after,Practice,先将主动句改为被动句,再把被动句变为一般疑问句与否定句 1People grow wheat in North China 2They bought ten computers last term,3Some workers are painting the classrooms now 4We have made twenty more beds 5Ling Feng can take good care of Polly. 6I was doing my

10、homework at 8:00 last night,一、如主动句含间宾和直宾双宾语;或含省略to的不定式作宾补,变被动时有何变化呢? Uncle Li lent us the boat last week(变被动),We were lent the boat by Uncle Li last week The boat was lent to us by Uncle Li last week(加上了to,有的也加for),Mum made me a new dress.,I was made a new dress by Mum. A new dress was made for me b

11、y my mother.,间宾(人)作被动句的主语,一切依旧;而直宾(物)作主语,则须在间宾前添加to或for。加to的动词多为give,send,bring,teach,show,pass,write,ask,tell等;加for的动词有make, draw,buy等。,二、My parents made me water all these young trees(变被动),I was made to water all these young trees by my parents(加上了to),这种主动句中用省to的不定式作宾补,变被动时定要加上to。这种谓语动词有feel,hear,

12、listen to,let,make,have, see,notice,look at,watch(即常言道“一感二听三让四看见”)。,Exercises,1.People use knives for cutting things. Knives _ _ for cutting things. 2.The students clean the windows of their classroom twice a month. The windows of their classroom_ _ twice a month.,are used,are,cleaned,(变被动语态),3.I fo

13、und the ticket on the floor. _ _ _ _ on the floor. 4.I told her to return the book in time. She _ _ to return the book in time.,The ticket was found,was told,5. His doctor made him have only two meals a day. He _ _ _ _ only two meals a day. 6.Now people can use computers to help them. Now computers

14、_ _ _ to help them.,was made to have,can be,used,7. Did you plant many trees at this time last year? _ _ _ _ at this time last time? 8.Must we finish our work today? _ our work_ _ today?,Were many trees planted,Must be finished,9. The foreign friends gave us some wonderful stamps. 1) _ _ _ some wond

15、erful stamps. 2) Some wonderful stamps _ _ _ _.,we were given,were,given to us,10.The teacher asked Tom to turn on the computer. Tom _ _ to turn on the computer. 11.In this factory women do most of the work. Most of the work _ _ by women in this factory.,was asked,is done,12.He can mend the bike in two days. The bike _ _ _ in two days. 13.You must take this medicine three times a day. This medicine _ _ _ three times a day.

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