1、被打的豆豆,被動語態(tài)講解,遙遠(yuǎn)的小島上，住著一個倒霉蛋，它叫豆豆，那里的人只有三件事要忙，吃飯，睡覺，打豆豆。 你看，它總是被打，還不知道是誰打的。,Doudou is always beaten by someone.,昨天晚上 ，夜黑風(fēng)高，它又被打了。,Doudou was beaten yesterday evening.,明天，豆豆還會面臨n頓暴打，可憐的豆豆啊。 Tomorrow ,Doudou will be beaten several times .,可憐的豆豆，已經(jīng)被這樣打了很多年。命運一直沒有改變。 Poor Doudou has been beaten for many

2、years.,我們親愛的豆豆現(xiàn)在在干嘛，不用問，一定是正在被打 。 Our dear doudou is being beaten now .,隨時可能被打的豆豆啊，誰來救救它啊。 Poor Doudou may be beaten anytime .,語法精講被動語態(tài),被動語態(tài)的基本構(gòu)成： be+動詞的過去分詞 （be+done),1.一般現(xiàn)在時am/is/are +done,We clean the classroom every day. The classroom is cleaned by us every day.,He put on a coat. A coat was put

3、on by him.,2.一般過去時was/were+done,He made the kite. The kite was made by him.,3.一般將來時 shall/will /be going to+ be done,They will plant trees tomorrow. Trees will be planted by them tomorrow He is going to write a letter to his mother. A letter is going to be written to his mother by him.,4.現(xiàn)在完成時has /h

4、ave +been done,Jim has finished the work. The work has been finished by Jim.,5.含有情態(tài)動詞的被動語態(tài),can/may/must/should +be done,I can find him. He can be found by me.,被動語態(tài)的用法,1. 不知道動作的執(zhí)行者是誰。,這塊手表是中國制造的。,2. 沒有必要指出動作的執(zhí)行者,每年都應(yīng)該種更多的樹。,This watch is made in China.,Many trees should be planted every year.,3. 需要強(qiáng)調(diào)

5、或突出動作的承受者。,世界上越來越多的人說漢語。,4. 句子的主語是動作的承受者。,許多房屋被沖走了。,Chinese is spoken by more and more people in the world.,Many houses were washed away by the flood.,主動語態(tài)變被動語態(tài)的方法,（主語） （賓語） 主動語態(tài)：動作的執(zhí)行者+謂語動詞的主動形式+動作的承受者 被動語態(tài)：動作的承受者+謂語動詞的被動形式+動作的執(zhí)行者 （主語） （賓語）,說明： （1）要將主動句里的賓語變?yōu)楸粍泳渲械闹髡Z，若主動句中的賓語為人稱代詞，要將賓格變成主格。 （2）把主動句中

6、的主語變?yōu)楸粍泳渲械馁e語，主格變賓格，并由by引導(dǎo)。 （3)謂語動詞變成相應(yīng)的被動形式。,主動語態(tài)變被動語態(tài)應(yīng)注意的問題 1.把主動語態(tài)變?yōu)楸粍诱Z態(tài)時，應(yīng)保留主動語態(tài)原來 的時態(tài)。如：She often cleans the house. The house is often cleaned by her. 2.有些動詞可以有雙賓語，在用于被動結(jié)構(gòu)時， 通常變?yōu)橹髡Z的是間接賓語（sb.）,His mother gave him a present for his birthday,He was given a present by his mother for his birthday.,3)

7、 當(dāng)“動詞+賓語+賓語補(bǔ)足語”結(jié)構(gòu)變?yōu)楸粍诱Z態(tài)時， 將賓語變?yōu)楸粍咏Y(jié)構(gòu)中的主語，其余不動.,Someone caught the boy smoking a cigarette(香煙）,=The boy was caught smoking a cigarette.,4）在使役動詞have, make, get以及 感官動詞see, watch, notice, hear, feel, observe 等變?yōu)楸粍咏Y(jié)構(gòu)時，要加to,Someone saw a stranger walk into the building,=A stranger was seen to walk into the

8、 building.,5) 有些相當(dāng)于及物動詞的動詞詞組， 如“動詞介詞”，“動詞副詞”等， 也可以用于被動結(jié)構(gòu)，但要把它們看作一個整體， 不能分開。其中的介詞或副詞也不能省略。,The meeting is to be put off till Friday,補(bǔ)充部分,1. 主動結(jié)構(gòu)表被動意義,某些可用來表示主語內(nèi)在品質(zhì)或性能 的不及物動詞，如 sell, write, wash, clean, last(耐久), wear(耐穿), 它們的主語為物，可以用主動語態(tài)表被動意義。, This kind of shirt sells well.,2. look,sound,taste,smell

9、等系動詞用主動表被動意義。 例： It smells wonderful. Mooncakes taste delicious.,3. 在be worth doing中,doing表被動意義。 例：This book is worth reading.,4. want/need/require+doing =want/need/require+to be done 例：My bike needs repairing. =My bike needs to be repaired. 我的自行車需要修理。,5、動詞不定式的主動形式表示被動意義：,不定式作定語與被修飾的名詞或代詞構(gòu)成 動賓關(guān)系時，如：

10、,我有許多事情要做。 他有幾項任務(wù)要完成。,I have a lot of things to do.,He has several tasks to complete.,2. 在“系動詞+形容詞+不定式”結(jié)構(gòu)中， 常見句型有：,n. +be + too + adj. + to do The plane is too high to see. 2) n. +be + adj. + enough + to do The book is cheap enough for me to buy. 3) n. + be + adj. + to do The question is not easy to

11、 answer.,課堂練習(xí) （一）改寫句子 1. We plant trees in spring every year. _ by us in spring every year. 2. She posted the letter yesterday. _ by her yesterday. 3. Mr Turner gave me a birthday present. _a birthday present by Mr Turner. 5. You may hand in your homework tomorrow. _ by you tomorrow. 6. She is going

12、 to write a letter. _ by her.,Trees are planted,The letter was posted,I was given,Your homework may be handed in,A letter is going to be written,7. I have given you the new book. _ to you. 8. Her bag cannot be found by her. _ her bag. 9. Do you often hear her sing Russian songs? _Russian songs by yo

13、u? 10. She doesnt let her son swim in the river. _ in the river by her. 11. The bridge was being built by them at this time last year. _ the bridge at this time last year. 12. Does she often sing the song? _ by her?,The new book has been given,She cannot find,Is she often heard to sing,Her son isnt

14、let to swim,They were building,Is the song often sung,1. If city noises _ from increasing，people _ shout to be heard even at dinner A are not kept；will have toB are not kept；have C do not keep；will have to D do not keep；have to 2. The fifth generation computers, _and perfected now. A. developed B. h

15、ave developed C. are being developed D. will have been developed3. - _ the sports meet might be put off - Yes，it all depends on the weather A Ive been told B Ive told C Im told D I told,A,C,A,4. I need one more stamp before my collection _. A. has completed B. completes C. has been completed D. is c

16、ompleted 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 bridge _ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed7. When part

17、 of a pencil is in a glass of water, it looks as if it _. A. breaks B. has broken C. was broken D. had been broken,D,C,B,C,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 upC. have taken place; have set up D. wer

18、e taken place; were set up9. That suit _ over 60 dollars. A. had costed B. costed C. is costed D. cost10. - 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 cloth? - Yes, it _ ve

19、ry soft. A. is feeling B. felt C. feels D. is felt,B,D,A,C,12. It is difficult for a foreigner _ Chinese A write B to write C to be written D written 13. I have no more letters _ ，thank you A to type B typing C to be typed D typed14. 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 out15. Nobody noticed the thief slip into the house