被动语态的讲解和练习.ppt

,Welcome to my class!,被动语态,语态分类 英语中时态很多，但语态不多，只有两种，即：主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如： They will build a new bridge over the river. A new bridge will be built over the river. （被动） 汉语中常用“被”、“给”、“由”、“受”等词用来表示被动，而英语用：助动词be + 及物动词的过去分词构成。,被动语态常用的八种时态,被动语态的时态、人称和数的变化主要体现在be的变化上，其形式与系动词be的变化完全一样. 1. 一般现在时： am/is /are done 2. 一般过去时： was/ were done 3. 一般将来时：will（shall）be done am/is /are going to be done 4. 过去将来时：would（should）be done was/were going to be done 5. 现在进行时：am/is/are being done 6. 过去进行时：was/were being done 7. 现在完成时： have/has been done 8. 过去完成时： had been done,一般现在时：,1. Rice is grown in the south of the States. 2. We are not allowed to enter the chemistry lab without a teacher.,am/is /are + done,2. 一般过去时： was/ were + done,They agreed on the building of a new car factory last month. The building of a new car factory_ last month. He had a strange way of making his classes lively and interesting and the students didnt forget his lessons easily. He had a strange way of making his classes lively and his lessons_.,was agreed on,were not easily forgotten,3. 一般将来时：,They will send cars abroad by sea. Cars _ abroad by sea. They will give plenty of jobs to school-leavers. Plenty of jobs _to school-leavers.,will be sent,will be given,will（shall）be done am/is /are going to be done,4. 过去将来时：,The manager said they would complete the project by the end of the year. The manager said the project _ by the end of the year. The workers told me they would mend the car as soon as possible. The workers told me that the car _ as soon as possible.,would be completed,would be mended,would（should）+ be + done, was/were going to + be + done,5. 现在进行时：,The radio is broadcasting English lessons. English lessons _ . We are painting the room. The room_.,are being broadcast,is being painted by us,am/is/are + being + done,6. 过去进行时：,The workers were mending the road. The road_. This time last year we were planting trees here. Trees _here this time last year.,was being mended,were being planted,was/were + being + done,7. 现在完成时：,Someone has told me the sports meet might be put off. I _ that the sports meet might be put off. We have brought down the price. The price_.,have been told,has been brought down,have/has + been + done,8. 过去完成时：,When I got to the theatre, I found they had already sold out the tickets. When I got to the theatre, I found the tickets_.,had already been sold out,had + been + done,被动语态练习,If city noises _ from increasing，people _ shout to be heard even at dinner Aare not kept；will have to Bare not kept；have to Cdo not keep；will have to Ddo not keep；have to 2. The fifth generation computers, with artificial intelligence, _and perfected now. A. developed B. have developed C. are being developed D. will have been developed 3. - _ the sports meet might be put off - Yes，it all depends on the weather AIve been told BIve told CIm told DI told 4. I need one more stamp before my collection _. A. has completed B. completes C. has been completed D. is completed,A,C,A,D,5. Rainforests _ and burned at such a speed that they will disappear from the earth in the near future. A. cut B. are cut C. are being cut D. had been cut 6. The new suspension bridge _ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed 7. When a pencil is partly in a glass of water, it looks as if it _. A. breaks B. has broken C. was broken D. had been broken 8. Great changes _ in the city, and a lot of factories _. A. have been taken place; have been set up B. have taken place; have been set up C. have taken place; have set up D. were taken place; were set up,C,B,B,C,9. That suit _ over 60 dollars. A. had costed B. costed C. is costed D. cost 10. - Look! Everything here is under construction. - Whats the pretty small house that _ for? A. is being built B. has been built C. is built D. is building 11. - Do you like the material? - Yes, it _ very soft. A. is feeling B. felt C. feels D. is felt 12. It is difficult for a foreigner _ Chinese Awrite B. to write Cto be written Dwritten,D,A,C,B,13. I have no more letters _ ，thank you Ato type Btyping Cto be typed Dtyped 14. Take care! Dont drop the ink on your shirt, for it _ easily. A. wont wash out B. wont be washed out C. isnt washed out D. isnt washing out 15. Nobody noticed the thief slip into the house because the lights happened to _. A. be put up B. give in C. be turned on D. go out 16. The computers on the table _ Professor Smith. A. belongs B. are belonged to C. belongs to D. belong to,C,A,D,D,17. - What do you think of the book? -Oh, excellent. Its worth _ a second time. A. to read B. to be read C. reading D. being read 18. The squirrel was lucky that it just missed _. A. catching B. to be caught C. being caught D. to catch 19. This page needed _ again. A. being checked B. checked C. to check D. to be checked 20. _ many times, the boy still didnt know how to do the exercises. A. Having taught B. Having been taught C. Taught D. Teaching,C,C,D,B,21. Have you got your test result? No. The papers _. A. are not correcting B. have not corrected C. are still being corrected D. have already been corrected 22. A friend of mine returned to his house after a holiday only to find it _. A. to be broken B. had broken into C. was broken D. had be