英语被动语态ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Passive voice,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,be,表现出来。,1.,规则动词的过去分词：,1),一般情况在动词原形后,加,-ed,watch-watch,ed,2),以不发音,e,结尾的加,-d,practice-practice,d,3),以辅音加,y,结尾的，去,y,变,i,加,-ed,study-stud,ied,4),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,-ed,stop-stop,ped,2.,不规则动词的过去分词,：,am,is,are,been,have,has,had,do,done,write,written,go,gone,His brother washes bowls every,day,.,主,谓,宾,(,受动者,),Bowls,are,washed,by,his,brother,every,day.,改为被动语态,They play football on Sunday.,Lucy does the homework in the evening.,They often use computers in class.,We make these machines in China.,People speak English as the first language in UK.,Football is played by them on Sunday.,The homework is done by Lucy in the evening.,Computers are often used by them in class.,These machines are made by us in China.,English is spoken as the first language in UK.,你知道这些被动句的否定句和一般疑问句吗？,1.,They,make,shoes,in that factory.,主语,+,及物动词,+,宾语,Shoes,are made,(by them)in that factory.,一般现在时：,S(,主语）,+am/is/are +,过去分词,变为被动语态,He looked after the little baby yesterday.,主,谓,宾,(,受动者,),The little baby,was looked after,by,him,yesterday,.,They built the tall building last year.,He took good care of his little brother yesterday.,We cleaned our classroom just now.,They used this room for resting.,They planted many trees years ago.,The tall building was built by them last year.,His little brother was taken good care of by him yesterday,.,Our classroom was cleaned by us just now.,This room was used for resting by them.,Many trees were planted by them years ago.,2.,They,bought,ten computers,last term,Ten computers,were bought,(,by them,)last term.,一般过去时：,S+was/were+,过去分词,Tom will clean the room tomorrow,.,主,谓,宾,(,受动者,),The room,will be cleaned,by,Tom,tomorrow.,We will have a sports meeting next week.,Children will take some photos on the playground tomorrow.,The headmaster will give a talk this afternoon.,The farmers will grow different kinds of vegetables next spring.,Uncle Wang will mend the TV set tomorrow.,A sports meeting will be had by us next week.,Some photos will be taken by children on the playground tomorrow.,A talk will be given by the headmaster this afternoon.,Different kinds of vegetables will be grown by the farmers next spring.,The TV set will be mended by Uncle Wang tomorrow.,3.,They,will,finish,the work,in ten days.,The work,will be finished,(,by them,),in ten days.,一般将来时：,S+will+be+,过去分词,4,Amy,can take good care of,Tina,Tina,can be taken good care of,by Amy.,情态动词：,S+can/may/must/should+be+,过去分词,1.He can take care of the baby.,2.Lucy may draw the pictures.,3.You must turn off the lights.,4.They should learn English well.,5.Jim could do it yesterday,.,The baby,can be taken,care of by him.,The picture,may be drawn,by Lucy.,The lights,must be turned off,by you.,English,should be learned,well by them.,It,could be done,by Jim yesterday.,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.,EXERCISES,are used,are,cleaned,(,变被动语态）,3.I found 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 _ _ _ 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 wonderful 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.,can be mended,must be,taken,14.The students in this school study German.,German _ _ by the students in this school.,15.Do they often talk about this question?,_ this question often _ about _ _?,is,studied,Is,talked,by them,下列时态的被动语态构成,We have finished our compositions.,看一看 想一想,We,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,总结：各种时态的被动语态构成,一般现在时：,一般过去时：,一般将来时：,现在完成时：,情态动词：,S+am/is/are+done,S+was/were+done,S+will+be+done,S+have/has+been+done,S+can/may/must/should+be+done,各种时态的被动语态构成,时态,主动语态,被动语态,一般现在时,V.(,原形,)/V.(e)s,am/is/are+V.pp,一般过去时,V.-ed/made,was/were+V.pp,一般将来时,will+V.(,原形,),will+be+V.pp,含情态动词,情态动词,+V.(,原形,),情态动词,+be+V.pp,主动语态变被动语态口诀,：,宾语提前主语变，,原主变宾,by,后见，,时态人称,be,关键。,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：,Fo