1、The Passive Voice被动语态基本用法被动语态基本用法当句子的当句子的主语主语是动作的是动作的执行者执行者时，时，谓语的形式是谓语的形式是主动语态主动语态。当句子的。当句子的主语是动作的主语是动作的承受者承受者时，谓语要用时，谓语要用被动语态被动语态。被动语态由助动词。被动语态由助动词be+过去分词过去分词构成，时态通过构成，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 by his brother every day.改为被动语态Football is playe
2、d 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 Beilun.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？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.主语主语+及物动词及物动词+宾语宾语Shoes are made (by the
3、m)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He looked after the little baby yesterday.主谓宾(受动者)The little baby was looked afterbyhim yesterday.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 no
4、w.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：一般过去时：S+was/were+过去分词过去分词Tom will clean the room tomorrow.主主谓谓宾宾(受动者受动者)The room will be cleaned by Tom tomorrow.A sports meetin
5、g will be had by us next week.Some photos will be taken by children in the schoolyard 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
6、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 the pictures.3.You must turn off the lights.4.They shou
7、ld 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.这些动词真奇怪，主动句中to 离开，被动句中to回 来。（let，have，make，feel，see,watch,hear,notice)
8、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 usedarecleaned(变被动语态）变被动语态）5.His doctor made him have only two meals a day.He _ _ _ _ only two meals a day.6.Now
9、people can use computers to help them.Now computers _ _ _ to help them.was made to have can be used3.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 told9.The foreign friends gave us some wonderf
10、ul stamps.1)_ _ _ some wonderful stamps.2)Some wonderful stamps _ _ _ _.we were given were given to us7.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 finished10.The teacher asked Tom t
11、o 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 done12.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
12、 times a day.can be mended must be taken14.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 studiedIs talked 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
13、 are 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I was doing my homework at 8:00 last night My homework was being done(by me)at 8:00 last night.过去进行时：过去进行时：S+was/were+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+b
14、een+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：情态动词：情态动词：一般将来时：一般将来时：现在进行时：现在进行时：现在完成时：现在完成时：过去进行时：过去进行时：S+am/is/are+doneS+was/were+doneS+can/may/must/should+be+doneS+will+be+doneS+am/is/are+being+doneS+have/has+been+doneS+was/were+being+doneHomework:1.He cleans the classroom everyday.2.They finished their homework.3.I can mend his bike.4.She will buy ten books tomorrow.5.We shouldnt allow them to go out with their friends.6.The old man often makes us laugh.
