动词的主动形式表示被动之意、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：① be 动词起来（7 个）：look/seem/appear, feel（感觉，摸起来）,sound, 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eO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 building requires repairing. 这座古建筑需要修了。

These young seedlings will require/need looking after （=need to be looked after ） carefully. 这些幼苗将需要小心的照管。

Your hair wants/needs cutting （needs 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，与 he 有主谓关系）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， difficult, easy, comfortable （ 舒适的 ）, convenient （便利的，方便的） hard ，cheap, expensive, 等，不定式用主动表被动。

The question is difficult to answer.I found the car comfortable to ride in. That makes poetry difficult to write.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。

那就使得诗很难写。

被动语态专项练习I单项选择1. Good books again and again.A. should be readedB. should be readC. must read2. The children ___ by the nurse.A. were looked D. ought to readB. looked afterC. were lookedafter D. looked3.He ___ some pieces of advice, but heA. gave, didn't listenC. give, wasn't listened4.When _____ the accident ____ ?A. was, happenC. is, happen5.The question ___ by us soon.A. is going to discussC. is going to be discussed6.The lab ___ about five years ago. to them.B. was given, wasn'tlistened D. was given,didn't listenB. did, happenD. was, happenedB. willdiscussD. has been discussedA. was buildedB. was builtC. buildsD. has beenbuilt7. A lot of tall buildings in his hometown in the last three years.A. have set upB. have been set upC. were set upD. set up8. They printing 500 copies by the end of lastmonth.A. had finishedB. have finishedC. had been finishedD. have been finished9. Rice ___ also in their hometown.A. is …grownB. is … grewC. was…grewD. was…grown10. He by theteachers.A. is always praisedB. praisesC. have been praisedD. always ispraised11. Great changes place. Many new schoolsA. have taken, have been openedB. take, areopenC. are taken, openD. have been taken, are opened12. The picture in October, 1996.24. Mary's radio by my brother just now.A. was takingB. had been taken 13. We can't use the bridge now, because itrepairedthe way to the railway station by a policeman.showing17. We can't enter the room because its doordoes, foundC. was takenD. had takenA. has been repairedB. is repairingC. is repairedD. is being14. I A. was shownB. showedC. have shownD. was15. The warin 1941. A. broke out B. had been broken out C. was broken out D. had broken out 16. When water , it will be changed into vapor （ 蒸汽 ）. A. is heated B. heating C. has heated D. heatsA. lockedB. locksC. is lockedD. is locking 18. They day and night. A. are made work B. are made to work C. made to be worked D. are making to work19. Chang'an Road is of people.A. filledB. fillC. fullD. fulled 20. Man-made satellites into space by many countries. A. was sent up B. is sent up C. have been sent up D. 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.D. has been broken, brokenn 把下列句子改为被动语态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.mended A. will be mended B. has mendedC. wasD. 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 see28. A new English play there next week.A. will put onB. will be put onC. is going to put onD. will be putted on29. A strange thing in our school yesterday.A. was happenedB. has been happenedC. happenedD. was going to happen30. The glass . It by little Tom this morning.A. broke, is brokenB. is broken, was brokenC. was broken, broke参考答案I单项选择1. B2. C3. D4. B5. C6. B7. B8. A9. A 10. A11. A 12. C 13. D 14. A 15. A16. A 17. C 18. B 19. C 20. C 21.B 22. D 23.B 24. C 25.D 26. 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.。