被动语态课件

1、被动语态被动语态专项专项复习复习被动语态基本用法被动语态基本用法当句子的主语是动作的执行者时，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。被动语态由助动词被动语态。被动语态由助动词be+过去分词构成，时态通过过去分词构成，时态通过be表现出表现出来。来。His brother washes bowls every day主主谓谓宾宾(受动者受动者)Bowls are washed byhis brother every day.改为被动语态1.They make shoes in

2、 that factory.主语主语+及物动词及物动词+宾语宾语Shoes are made (by them) in that factory.一般现在时：一般现在时：S(主语）主语）+am/is /are +过去分词过去分词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 in Beijing.He looked after the little b

3、aby yesterday.主谓宾(受动者)The little baby was looked afterbyhim yesterday .2. They bought ten computers last term Ten computers were bought (by them) last term.一般过去时：一般过去时：S+was/were +过去分词过去分词The tall building was built by them last year.His little brother was taken good care of by him yesterday.Our cla

4、ssroom was cleaned by us just now.This room was used for resting by them.Tom will clean the room tomorrow.主主谓谓宾宾(受动者受动者)The room will be cleaned byTom 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：一般将来时：S+ will+be+过去分词过去分词A sports meeting will

5、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：情态动词：S+ can/may/must/should + be+过去分词过去分词1.He can take care of the baby.2.Lucy may draw

6、 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.下列时态的被动语态构成下列时态的被动语态构成 Some workers are painting the rooms nowThe rooms are

7、 being painted by some workers now.现在进行时：现在进行时： S+ am/is/are + being +过去分词过去分词We have made twenty more keysTwenty more keys have been made by us.现在完成时：现在完成时： S+ have/has + been+过去分词过去分词各种时态的被动语态构成各种时态的被动语态构成一般现在时：一般现在时：一般过去时：一般过去时：一般将来时：一般将来时： 情态动词：情态动词：过去进行时过去进行时现在完成时：现在完成时： S+ am/is /are + doneS+c

8、an/may/must/should+be+done S+ will + be + done S+ was/were + being+ doneS+ have/has + been+ doneS+ was/were + done各种时态的被动语态构成各种时态的被动语态构成 把下列句子变成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 team3）When I got there, they were cutting up a fallen tre

9、eA fallen tree was being cut up, when I got there.He was knocked down by a car yesterdayThe medical team is made up of by two 把下列句子变成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 team3）When I got there, they were cutting up a fallen treeA fallen t

10、ree was being cut up, when I got there.He was knocked down by a car yesterdayThe medical team is made up of by two4)Well put on the play next Sunday5)Workers are building a new teaching building in our school6)They had completed the railway by the end of last yearThe play will be put on next SundayA new teaching building is being built by workers in our schoolThe railway had been completed by the end of last yearThey sent upwere planted are grown 1.Our school _in 2002.(开办)2.The young trees must_ _ _ well. (照顾)3. _ this building_(建成)last year?4.The bo