用高一被动语态-ppt课件PPT资料.ppt

1、表现出来。在被动句中有时用在被动句中有时用by-词组，有时不用。一般词组，有时不用。一般来说，当动作的执行者为谁不甚清楚，不甚重要来说，当动作的执行者为谁不甚清楚，不甚重要或难以说出时，通常不用或难以说出时，通常不用by。但有时为了强调。但有时为了强调动作执行者或者由于上下和结构上的需要则必须动作执行者或者由于上下和结构上的需要则必须使用使用 by 词组。例如：词组。Hamlet was written by Shakespeare.哈姆雷特是莎士比亚写的。哈姆雷特是莎士比亚写的。何时使用被动语态呢？一、行为主体不明确，不必说出或者无一、行为主体不明确，不必说出或者无法说出动作的执行者时。法说

2、出动作的执行者时。Football is played all over the world 二、不易找到或根本就不可能找到动作二、不易找到或根本就不可能找到动作的执行者时。的执行者时。My bike was stolen我的自行车被盗了。我的自行车被盗了。三、汉语中含有三、汉语中含有“据说据说”、“据悉据悉”、“有人说有人说”、“大家说大家说”等时。等时。It is said that one day he climbed to the top of a house and It was reported that her mother died of SARS.众所周知众所周知 It is

3、 well known that 据推测说据推测说 It is supposed that 四、汉语中含有四、汉语中含有“被被”、“由由”等词时。等词时。Wei Hua is asked to come by Lin Tao魏华是被林涛叫来的。魏华是被林涛叫来的。五、某些句子习惯上用被动语态。例如五、某些句子习惯上用被动语态。He was born in October，1989 六、表示礼貌时。六、表示礼貌时。You are friendly invited to come to our English party at 8：00pmtomorrow敬请您明天晚上敬请您明天晚上8：00光临我

4、们的英语晚会。光临我们的英语晚会。二、各种时态的被动语态构成二、各种时态的被动语态构成 1）一般现在时：一般现在时：You are required to do this.2）一般过去时：一般过去时：The story was told by her.3）一般将来时：一般将来时：The problem will be discussed tomorrow.4）现在进行时：）现在进行时：The question is being discussed in the meeting room.5）过去进行时：）过去进行时：The new road was being made.6）现在完成时：）现在

5、完成时：The novel has been read.7）情态动词：情态动词：The rubbish can be put into the dustbin over there.1.They make shoes in that factory.三、主动语态变被动语态三、主动语态变被动语态Shoes are made （by them）in that factory.一般现在时的被动语态构成一般现在时的被动语态构成：S（主语）主语）+am/is/are +过去分词过去分词2.They bought ten computers last term Ten computers were bou

6、ght （by them）last term.一般过去时：S+was/were+过去分词过去分词3Ling Feng can take good care of Polly Polly can be taken good care of by Ling Feng .情态动词：S+can/may/must/should+be+过去分词过去分词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+过去分词过去分词5.Some workers are

7、painting the rooms nowThe rooms 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6We 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7I was doing my homework at 8:00 last night My homework was being done（by me）at 8:00 las

8、t night.过去进行时：过去进行时：S+was/were+being+过去分词过去分词Practice1.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）3.I found the ticket on the floor

9、._ _ _ _ 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 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

10、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 trees plantedMust be finished9.The foreign friends gave us some wonderful stamps.1）_ _ _ some wonderful stamps.2）Some wonderful stamps _ _ _ _.we

11、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 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

12、 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 them16.Someone must he

13、lp me move away the heavy bag.I must _ _ to move away this heavy bag.17.Was the window broken by Tom?（变为主动语态）（变为主动语态）_ Tom_ the window?be helpedDid break18.The tractor wasnt driven out of the road.He_ _ the tractor out of the road.19.Doesnt Bob clean the street every day?_ the street _ by Bob every

14、day?didnt driveIsnt cleaned20.What can they do to finish the work on time?_ _ _ _ by them to finish the work?What can be done21.None of the children were made to try the new medicine by the doctor.The doctor _ _ _ _ the _ _ the new medicine.didnt make any children try ofHomework将下列句子改将下列句子改将下列句子改将下列

15、句子改为为为为被被被被动语态动语态动语态动语态1 1We sweep the floor every dayWe sweep the floor every day 2 2He gave me a bookHe gave me a book yesterdayyesterday3 3The nurses The nurses were were taktakinging care of the sick old care of the sick old manman 4 4You can take the book out of the reading You can take the book out of the reading roomroom 5 5What do the workers use the machine forWhat do the workers use the machine for？6 6I made him work two hours every dayI made him work two hours every day7 7Class One will Cla