2. The Passive Voice 初二英语复习研讨课

3. water pollute Rubbish throw into fish kill Factories set up The city not see clearly Nothing do protect the environment

4. So far, a large number of actions (take) to protect the environment. have been taken

5. Passive voice with tense change 时态 (Tense) 一般现在时 一般过去时 现在进行时 过去进行时 现在完成时 过去完成时 一般将来时 过去将来时 含情态动词的 被动语态 be done 主动语态 am/is/are done was/were done am/is/are being done was/were being done has /have been done had been done will/shall be done would be done can/may/should be done be/does/do was/were/did be doing was/were doing has /have done had done will/shall do would do can/may/should do

6. Exercises section 1 1.The people republic of china on October 1,1949. A. found B was founded C. is founded D. was found 2. New computers all over the world. A. is used B. are using C. are used D. have used 3. A new house at the corner of the road. A. is building B. is being built D. been built D. be building 4.The key on the table when I leave. A. Was left B. will be left C. is left D. has been left 5. The coat over there. A. Is sold B. was sold C. had been sold D. has been sold B C B B D

7. Passive voice with type change Why ____ a meeting ____(not hold) to talk about the environment yesterday 肯定句 : 主语 + be + done (by…) 否定句 : 主语 + be + not + done (by…) 一般疑问句 : Be + 主语 + done (by…) 特殊疑问句 : 特殊疑问词 +be+ 主语 + done (by…) Wasn’t held

8. Exercise section 2 1. the watch been repaired yet ? I badly need it. A. Does B. Has C. Are D. Do 2. Japanese in every country. A. is not spoken B. are spoken C. is spoken D. is not speaking 3. The sports meeting be held until next week. A. didn’t B. won’t C. isn’t D. doesn’t 4. Where these boxes made? A. Was B. is C. were D. am 5. Why the work yet? A. hasn’t, been done B. was, not be done C. Isn’t, done D.is, not done B A B C A

9. How to make a sentence passive ? The naughty boy broke the window yesterday.( 改为被动 ) The window was broken by the naughty boy yesterday. 主语（ subject ）宾语 (object)

10. A: A verb has two objects. I have asked Brown the questions. (IO) (DO) Brown has been asked the question (by me). The question has been asked Brown (by me).. eg. Mother bought us a big present. A big present was bought for us. 把直接宾语改为被动句主语时, 间接宾语通常加介词 to/for make/buyfor give/send/show/pass/tell/lendto

11. eg. The teacher gave Tom a book. A book was given to Tom. B: 1.Subject + V + O + OC We should keep our classroom clean and tidy. Our classroom should be kept clean and tidy. make/let/have sb.do sth. see/hear/feel/notice/listen to/look at sb. do sth. sb. be made/seen … to do sth. 2 3. see/hear/feel/notice/listen to/look at sb. doing sth. sb. be seen doing sth.

12. C: 动词短语的被动语态. 不及物动词 + 介词 / 副词 We must take care of the young trees. Young trees must be taken care of. We must stop people from cutting down the trees. People must be stopped from cutting down the trees.

13. be covered with, be interested in, be known to, be pleased with, be surprised at, be made of/from, be worried about,… 像这样的词组在改为被动时, 不 能再加 by… 这样的动词短语还有 : hand in, pick up, bring up, laugh at, look after…

14. Exercise section 3 1.Jane ______ to sing us an American song last Saturday. A. called B. was asked C. told D. was said 2. The papers _______ to them. A. were shown B. show C. shown D. have shown 3. The coat ________ her sister. A. made to B. were made for C. was made for D. was made to 4. Newly-born babies _______ in hospital. A. are taken good care B. are taken good care of C. take good care of D. take good care 5. These walls ________ stone. A. are made of B. made of C. are made into D. made into B A C B A

15. 6. They were ______ at the sudden noise. A. frightening B. frightened C. frighten D. frightens 7. Old people must ________. A. look after well B. be looked well C. looked well after D. be looked after well 8. Old people must be looked after well and _____ politely. A. speaks to B. spoken C. speak D. spoken to 9. She will ______ good care _______. A. take, of B. be taken, of C. take, for you D. be taken, of you 10. The teacher made him _______ his homework. A. to do B. do C. did D. done B D D B B

16. be careful when using passive voice The baby could dress himself when he was 3 years old. （ 2 ）表状态的及物动词 cost / fit / suit （ 3 ）主动形式表被动意义 need doing / be worth doing / break down The coat washes easily. （ 4 ）无被动语态形式 happen/ take place/ appear/last 不能用被动语态的情况有 : （ 1 ）宾语是反身代词的

17. Exercise section 4 1. Great changes in our country during the past 20 years. A. have happened B. happened C. have been happened D. were happened 2.The bike 500 yuan. A.Was cost B. costed C. cost D. is costed 3.You can’t use the computer,it. A.was broken down B. is wrong C. is bad D. has broken 4. What you said like a good idea. A.heard B. listened C. sound D. sounded 5. How dirty the tables are! They need. A.to clean B. clean C. cleaning D. cleaned A C D D C

18. Writing practice

19. Thank You