被动语态2-获奖课件

1、被动语态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。He has to look after the little baby.主谓宾(受动者)The little babyhas to be looked afterbyhim.改为被动语态Tom will clean the room tomorrow.主谓宾(受动者)The roomwill be cleanedbyTom tomorrow.His brother washes bowls every day.主

2、谓宾(受动者)Bowls are washedbyhis brother every day.各种时态的被动语态构成 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.看一看 想一想4）现在进行时：The question is being discussed in the meeting room.5）过去进行时：The new road was being made.6）现在完成时：The novel has

3、been read. 7)情态动词：The rubbish can be put into the dustbin over there.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3Amy

4、can take good care of Gina Gina can be taken good care of by Amy.情态动词：S+ can/may/must/should + be+过去分词4.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5.Some workers are painting the rooms nowThe rooms are being painted by some workers now.现

5、在进行时： S+ am/is/are + being +过去分词6We have made twenty more keysTwenty more keys have been made by us.现在完成时： S+ have/has + been+过去分词7I 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： S+ was/were+being+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：情态动词：一般将来时：现在进行时：现在完

6、成时：过去进行时：S+am/is /are +P.PS+was/were +P.P.S+ can/may/must/should + be+ P.P.S+ will+be+ P.P.S+ am/is/are + being + P.P.S+ have/has + been+ P.P.S+ was/were+being+ P.P. 何时使用被动语态呢？ 1.不知动作执行者时,常用被动语态.eg. My bike was stolen yesterday. This car is made in American.2. 不必要说出动作执行者时,常用被动语态.eg. Rome was not bui

7、lt in a day.3. 为了突出强调动作的承受者时,常用被动语态.eg. Thousands of beaches are polluted (污染). 4.汉语中含有“被”、“由”等词时。eg.Tina is asked to come by PaulTina是被Paul叫来的。5.某些句子习惯上用被动语态。eg. He was born in October，1989 .1.People use knives for cutting things.Knives _ _ for cutting things.2.The students clean the windows of the

8、ir classroom twice a month.The windows of their classroom_ _ twice a month.EXERCISES are usedarecleaned(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 told5. His doctor made him have onl

9、y 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 used7. 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

10、trees plantedMust be finished9. The foreign friends gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonderful stamps _ _ _ _. we were given were given to us10.The teacher asked Tom to turn on the computer.Tom _ _ to turn on the computer.11.In this factory women do most of the wo

11、rk. 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 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 themPractice :1.He is cleaning the classroom