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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be表现出来。,被动语态专项复习,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,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：,变为被动语态,S(主
2、语）+am/is /are +过去分词,They play football on Sunday. Lucy does the homework in the evening. They often use computers in class. We make these machines in Beijing.,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
3、are made in Beijing.,He looked after the little baby yesterday.,主,谓,宾(受动者),The little baby,was looked after,by,him,yesterday .,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,They built the tall building last year. He took good care of hi
4、s little brother yesterday. We cleaned our classroom just now. They used this room for resting.,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.,Tom will clean
5、the room tomorrow.,主,谓,宾(受动者),The room,will be cleaned,by,Tom,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,We will have a sports meeting next week. Children will take some photos in the schoolyard tomorrow. The headmaster
6、will give a talk this afternoon.,A sports meeting will be had by us next week.,Some photos will be taken by children in the school tomorrow.,A talk will be given by the headmaster this afternoon.,4Amy can take good care of Gina ,Gina can be taken good care of by Amy.,情态动词： S+ can/may/must/should + b
7、e+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.,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.,Exercises： 1.Ma
8、ny people speak English. 2.People used knives for cutting things. 3.We can use the box as a table. 4.We should clean the classroom every day. 5.She will repair the bike tomorrow.,下列时态的被动语态构成 1.Lucy is watering the trees. 2.We have finished our compositions.,看一看 想一想,Some workers are painting the room
9、s now,The rooms are being painted by some workers now. 现在进行时： S+ am/is/are + being +过去分词,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,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： 情态动词： 过去进行时 现在完成时：,S+ am/is /are + done,S+can/may/must/should+be+done,S+ will
10、+ be + done,S+ was/were + being+ done,S+ have/has + been+ done,S+ was/were + done,各种时态的被动语态构成,如：1.He gave me a book. I was given a book by him. （以I做主语） A book was given to me by Tom. （以物book作主语） 2.He teaches us English. We are taught English by him. （以人当主语） English is taught to us by him. （以物作主语）,被动
11、语态的几种类型,1.带双宾语句子的被动语态.（指物的宾语叫直接宾语， 指人的宾语叫间接宾语）,常见的接双宾语的动词有: to: pass, give, teach, show, bring, hand for: make, buy, draw, sing, get,以“人”当主语时，变法和一般的变法一样； 以“物”当主语时，在保留的间接宾语前必须加to或for.,即feel , hear , listen , have , make , let , look , watch , see , notice ，这些词在主动句中，其后的动词不定式不加to，但变被动句时必须加to.,1.I saw h
12、im play basketball last Sunday.,He,was seen,to play basketball last Sunday.,2.We heard them sing in the classroom.,They,was heard,to sing in the classroom.,4.感官动词和使役动词的被动语态,把下列句子变成被动语态: A car knocked him down yesterday. 2）Two doctors and ten nurses make up the medical team 3）When I got there, they w
13、ere cutting up a fallen tree,A fallen tree was being cut up, when I got there.,He was knocked down by a car yesterday,The medical team is made up by two,Practice,把下列句子变成被动语态: A car knocked him down yesterday. 2）Two doctors and ten nurses make up the medical team 3）When I got there, they were cutting
14、 up a fallen tree,A fallen tree was being cut up, when I got there.,He was knocked down by a car yesterday,The medical team is made up of by two,Practice,4)Well put on the play next Sunday 5)Workers are building a new teaching building in our school 6)They had completed the railway by the end of las
15、t year,The play will be put on next Sunday,A new teaching building is being built by workers in our school,The railway had been completed by the end of last year,填空（完成被动语态填空） 1. They often clean their classroom after school . （改为被动语态） Their classroom _ often _ by them after school. 2. Li Lei gave To
16、m a new pen last week . （同上） A new pen _ _ _ Tom by lilei last week .,is,cleaned,was given to,Practice,3. A lot of people in China can speak English now . （同上） English _ _ _ by a lot of people in China now. 4. I have learned English for about two years. （同上） English _ _ _ for about two years. 5. They will publish these story-books next month. （同上） These story-books _ _ _ next m
