初中英语被动语态复习实用教案

1、被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过(tnggu)be表现出来。第1页/共33页第一页，共34页。be + Vp.p(动词的过去分词）1)be 动词可以随时(sush)态人称的变化而变化am/ is / are + V(过去分词）was/ were+ V(过去分词）will be + V(过去分词）情态动词+ be + V (过去分词）第2页/共33页第二页，共34页。1.规则(guz)动词的过去分词：1)一般(ybn)情况在动词原形后加-edwatch-watched2

2、)以不发音(f yn)e结尾的加-dpractice-practiced3)以辅音加y结尾的，去y变i加-edstudy-studied4)以重读闭音节结尾，末尾只有一个辅音字母， 先双写该辅音字母，再加-edstop-stopped2.不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogone第3页/共33页第三页，共34页。He plants trees in spring. 主谓宾(受动者)Treesare plantedbyhim改为(i wi)被动语态in spring.第4页/共33页第四页，共34页。主动语态变被动语态口诀(k

3、uju)：宾语提前主语变，原主变宾by后见，时态人称be关键。第5页/共33页第五页，共34页。Tom will clean the room tomorrow.主谓宾(受动者)The roomwill be cleanedby Tom tomorrow.第6页/共33页第六页，共34页。His brother washes bowls every day.主谓宾(受动者)Bowls are washed byhis brother every day.第7页/共33页第七页，共34页。1.They make shoes in that factory.主语(zhy)+及物动词+宾语Shoes

4、 are made (by them) in that factory.一般现在(xinzi)时：S(主语）+am/is /are +过去分词第8页/共33页第八页，共34页。2. They bought ten computers last term Ten computers were bought (by them) last term.一般(ybn)过去时：S+was/were +过去分词第9页/共33页第九页，共34页。3Amy can take good care of Gina Gina can be taken good care of by Amy.情态(qngti)动词：S

5、+ can/may/must/should + be+过去分词第10页/共33页第十页，共34页。各种时态(sh ti)的被动语态构成 1）一般现在时：You are invited 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.第11页/共33页第十一页，共34页。4)情态(qngti)动词：The rubbish can be put into the dustbin over there.第12页/共33页第十二页，共34页。时态时态主动语态主动语态被

6、动语态被动语态一般现在一般现在时时V(原形原形)/ V(e)sam/is/are +Vpp一般过去一般过去时时V-ed/ madewas/were +Vpp一般将来一般将来时时will +V(原形原形) will+ be +Vpp含情态动含情态动词词情态动词情态动词+ V(原形原形)情态动词情态动词+ be +Vpp第13页/共33页第十三页，共34页。各种时态(sh ti)的被动语态构成一般现在时：一般过去时：情态动词：一般将来时：现在进行(jnxng)时：现在完成时：过去进行(jnxng)时：S+was/were +P.P.S+ can/may/must/should + be+ P.P.

7、S+ will+be+ P.P.S+ am/is/are + being + P.P.S+ have/has + been+ P.P.第14页/共33页第十四页，共34页。 何时使用被动语态呢？ 一、行为主体不明确，不必(bb)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。 第15页/共33页第十五页，共34页。三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如(lr)： It is said that

8、 one day he climbed to the top of a house 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 第16页/共33页第十六页，共34页。四、汉语(Hny)中含有“被”、“由”等词时。例如： Tina is asked to come by PaulTina是被Paul叫来的。五、某些句子习惯上用被动语态。例如： He was born in October，1989 第17页/共33页第十七页，共34页。1.

9、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 usedarecleaned(变被动语态）第18页/共33页第十八页，共34页。3.I found the ticket on the floor._ _ _ _ on the floor.4.I told her to ret

10、urn the book in time.She _ _ to return the book in time.The ticket was found was told第19页/共33页第十九页，共34页。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 _ _ _ to help them. was made to have can be used第20页/共33页

11、第二十页，共34页。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 plantedMust be finished第21页/共33页第二十一页，共34页。9. The foreign friends gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonde

12、rful stamps _ _ _ _. we were given were given to us第22页/共33页第二十二页，共34页。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第23页/共33页第二十三页，共34页。12.He can mend the

13、 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. can be mended must be taken第24页/共33页第二十四页，共34页。14.The students study German in this school.German _ _ by the students in this school.15.Do they often talk about this q

14、uestion?_ this question often _ about _ _? is studiedIs talked by them第25页/共33页第二十五页，共34页。1)Teenagers should _ (allow) to go out at night.2)The telephone _ (invent) by Bell.3) English _ (speak) in China.4) The car _ (make) in China.5) The room must _ (clean) every day. be allowedwas inventedis spoke

15、n is madebe cleaned第26页/共33页第二十六页，共34页。( ) The flowers _ every day,or theyll die.A must water B can be wateredC should water D must be watered( ) Many computers will _ to our school.A be bring B be brought C bring第27页/共33页第二十七页，共34页。4.They will finish the work in ten days.The work will be finished (

16、by them)in ten days.一般(ybn)将来时：S+ will+be+过去分词第28页/共33页第二十八页，共34页。5.Some workers are painting the rooms nowThe rooms are being painted by some workers now.现在(xinzi)进行时： S+ am/is/are + being +过去分词第29页/共33页第二十九页，共34页。6We have made twenty more keysTwenty more keys have been made by us.现在(xinzi)完成时： S+

17、have/has + been+过去分词第30页/共33页第三十页，共34页。7I was doing my homework at 8:00 last night My homework was being done (by me) at 8:00 last night.过去(guq)进行时： S+ was/were+being+过去(guq)分词第31页/共33页第三十一页，共34页。1.Bikes are made of metal.2.My shirt is bought by my mother.3.The bridge was built in 1951.4.The work will be finished tomorrow.5.Teenagers should be allowed to smoke6.The flowers m