动词的主动形式表示被动之意一、系动词无被动语态：以主动形式表示被动之意常见的系动词有：①be 动词②. 起来（7 个）：look/seem/appear, feel（感觉，摸起来）,sou nd, smell, tastee.g. She seems/appears happy. It smells terrible.③（逐渐）变得 /变成： become, grow, get, turn, come, goe.g. His wish has come true.People often went hungry in the old days.The tree is growing tall.④保持： keep, staye.g. We must keep quiet in the reading room.二、下列动词（词组）没有被动式：1、happen, take place, break out, belong to ,cost, take2、不及物动词 sell, wash, read , write, open, close, shut, lock, wear 等，常用主动形式表示被动意义。
Ol、An accident was happened yesterday. （x）昨天发生了一起事故。
An accident happened yesterday.O2、 The flower smells sweet. 这花闻起来很香。
O3、 The watch looks good. 这表看起来很好。
O4、 This book sells well. 这本书畅销。
O5、 The kind of cloth washes well. 这种布很容易洗。
O6、 The article reads well. 这篇文章读起来很好。
O7、 The supermarket opens at 8:00 in the morning. 超市在早上八点钟营业。
08、The door won ' t close/sh这门关不上。
O9、 The door locks easily. 这门容易锁。
O 10 This material wears well （won '这种ea料耐久（不耐久）三、Need, want, require （要求，需要），deserve（应得，值得）,be worth 值得），not bear（经不住）后面接doing主动表被动。
The book is worth reading. 这本书值得一读。
The old buildi ng requires repairi ng. 这座古建筑需要修了。
These young seedli ngs will require/n eed look ing after （=n eed to be looked after） carefully. 这些幼苗将需要小心的照管。
Your hair wants/n eeds cutt ing （n eeds to be cut）. 你的头发该剪了。
四、不定式作定语，放在被修饰词后面，与前面被修饰的名词或代词有动宾关系，又在句子中与另一名词或代词有主谓关系，不定式要用主动表被动含义。
I have much work to do. 我有许多要做的事情。
（与 work有动宾关系，与I有主谓关系）Tom is looking for a room to live in. Tom 在找一间住的房间。
（与 room 有动宾关系，与Tom有主谓关系）He has a family to support. 他要维持一个家庭。
（与family 有动宾关系，与he有主谓关系）五、不定式修饰作表语和宾语补足语的形容词时，结构：主语+系动词+形容词+不定式；动词+宾语+形容词+不定式。
如果形容词是表示难易、利弊等含义，如difficult, easy, comfortable（舒适的）,convenient （便利的，方便的），hard，cheap, expe nsive, 等，不定式用主动表被动。
The question is difficult to an swer. 这个问题很难回答。
The work is easy to do. 这项工作很好做。
我觉得这种车很好坐。
I found the car comfortable to ride in.That makes poetry difficult to write. 那就使得诗很难写。
被动语态专项练习I 单项选择again and again.A. should be readedC. were set upprinting 500 copies by the end of last month.9. Rice ___ also ___ in their hometown.A. is …grownB. is … grewC. was …grewDwas …grown10. He ___ by the teachers.A. is always praisedB. praisesC. have been praisedD. always is praised11. Great changes ___ place. Many new schools ___ .A. have taken, have been openedB. take, are open D.have been taken, are opened1. Good booksB. should be readC. must readD. ought to read2. The childrenby the nurse.after3. HeA. were lookedB. looked afterC. were lookedD. lookedsome pieces of advice, but heto them.A. gave, didn't listen C. give, wasn't listened4. When ___ the accident ___B. was given, wasn't listened D. was given, didn't listen A. was, happenB. did, happenC. is, happen5. The question ___ by us soon.A. is going to discuss D. was, happenedB. will discussC. is going to be discussed 6. The lab _________ about five yearsago. D. has been discussedA. was buildedB. was builtC. buildsD. hasbeen built7. A lot of tall buildingsin his hometown in the last three years.A. have set upB. have been set up 8. TheyA. had finishedB. have finishedC. had been finishedD. have been finishedD. set upC. are taken, openA. was takingB. had been takenC. was takenD. had taken13. We can't use the bridge now, because it _ .A. has been repairedB. is repairingC. is repairedD. is being repaired14. I ___ the way to the railway station by a policeman.A. was shownB. showedC. have shownD. wasshowing15. The war______ in 1941.A. broke outB. had been broken outC. was broken outD. had broken out16. When water _______ , it will be changed into vapor（蒸汽）.A. is heatedB. heatingC. has heatedD. heats17. We can't enter the room because its door __ .A. lockedB. locksC. is lockedD. is locking18. They _____ day and night.A. are made workB. are made to workC. made to be workedD. are making to work19. Chang'an Road is ____ of people.A. filledB. fillC. fullD. fulled20. Man-made satellites ___ into space by many countries.A. was sent upB. is sent upC. have been sent upD. has been sent up21. This English song ___ often ___ by the children.A. is, singingB. is, sungC. will, singD. was,sung22. ________________________ The windows of our house once a week.A. must cleanB. have cleanedC. is cleanedD.are cleaned23. When _____ the People's Republic of China__ ?A. was, foundB. was, foundedC. did, foundD.does, found24. Mary's radio ____ by my brother just now.D. mended25. Your exercise books ___ after class.A. will hand inB. must hand inC. handed inD. must be handed in26. Some trees may _____ at other times of the year.A. be plantedB. plantC. are plantedD. will be planted27. The sun ____ at night as usual. A. can be seenB. can't seeC. can't be seenD. doesn't seethere next week.B. will be put onD. will be putted on school yesterday. B. has been happened D. was going tohappen by little Tom this morning.B. is broken, was brokenD. has been broken, broken 1. I saw the boy run yesterday.2. He told me that he would come back soon.3. You can find a lot of differences between the two languages.4. Do you water your flowers every day?5. The wind blew down the big tree last night.6. I think that he is right.7. He had not thrown the bad food.8. Mother was not mending the trousers.9. They would not take him to Beijing. 10. Nobody knew me in this town at that time. 参考答案I 单项选择1. B2. C3. D4. B5. C6. B7. B8. A9. A 10. A 11. A 12. C 13. D 14. A 15. A 16. A 17. C 18. B 19. C 20. Cmended A. will be mendedB. has mendedC. was28. A new English play ___A. will put on C. is going to put on29. A strange thing ____ in ourA. was happened C. happened30. The glass _____ . It ____A. broke, is broken C. was broken, broken 把下列句子改为被动语态21.B 22. D 23.B 24. C 25.D26. A 27. C 28. B 29. C 30. Bn、把下列句子改为被动语态1. The boy was seen to run by me yesterday.2. I was told that he would come back soon.3. A lot of differences can be found by you between the two languages.4. Are your flowers watered every day?5. The big tree was blown down last night.6. It is thought that he is right.7. The bad food had not been thrown.8. The trousers were not being mended by my mother.9. He would not be taken to Beijing.10. I was known by nobody in this town at that time.。