英语语法之被动语态介绍

1、英语语法之被动语态介绍1.I watch TV. TV is watched by me.2. He reads books. Books are read by him.3. We clean our classroom. Our classroom is cleaned by us.4. She does her homework. Her homework is done by her.5. They ride their bikes. Their bikes are ridden by them.比较两组句子，你能找出不同点吗？主动语态被动语态1.英语的语态是通过动词形式的变化表现出来

2、的。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。例如：Many people speak Chinese.谓语：speak的动作是由主语many people来执行的。被动语态表示主语是动作的承受者，即行为动作的对象。例如：Chinese is spoken by many people.主语English是动词speak的承受者。Grammar2.被动语态由 “助动词be及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。一般现在时的被动语态构成：am/is/arep.p.（过去分词）eg : 1 Shakespeares plays are

3、seen by millions of people every year.2 Confucius works are still read by many people today.3 Mark Twain isnt known as a great thinker.4 Parents are respected by Chinese people .5 Many trees are planted along the two banks of the river. Grammar3. 一般现在时被动语态的构成： am / is / are +done例如：Children love the

4、se songs. (主动语态）These songs are loved by children.(被动语态）4. 被动语态的用法：(1) 要表达“被”、“受”、“遭”、“让”之类的语义。如：Teachers are well respected.(2) 强调动作接受者。例如：He is known far and wide.(3) 不知道或没有必要指出动作的执行者。如：The room is cleaned every day.My father water the flowers every day.We sweep the floor every day.They plant the

5、trees every year.He plays the computer games on Saturdays.5. She sends an email once a week.写出下列句子的被动语态。A recorder is used in our English class every day. recorder, use, class use, for, photo football, play, worldFootball is played all over the world.Cameras are used for taking photos. bank, rob yes

6、terdaysatellite,send up, last yearA man-made satellite was sent up into space last year.The bank was robbed yesterday.Must, send to, hospital, right now a talk, give , soonThey must be sent to the hospital right now.A talk will be given soon.Thehamburger has been eaten up already.hamburger, already,

7、 eat upFootball is played all over the world.A camera is used for taking photos. A bank was robbed yesterday.A man-made satellite was sent up into space last year.The tree must be planted on the ground.ReadThe ground will be covered with trees in a few years time. They will be sent to the hospital r

8、ight now.A talk will be given soon.The food has been eaten up already.ReadConclusion:一般现在时 amis are + v.p.p. 一般过去时 waswere +v.p.p. 一般将来时 will bebe going to be + v.p.p.情态动词 aux.v. (mustcancould may) + be + v.p.p.现在完成时 have/has +been+ v.p.p.被动语态的构成：be +vt.p.p.被动语态：主语是动作的承受者 。The Peoples Republic of Ch

9、ina _ on October 1, 1949.A. found B. was founded C. is founded D. was foundEnglish _ in Canada. A.speaks B.are spoken C. is speaking D. is spoken3. Our room must _ clean. A. keep B. be kept C. to be kept D. to keep4. -Id like to buy that coat -Im sorry. _. A. it sold B. its selling C. Its been sold

10、D. it had been sold5. A new house _ at the corner of the road. A. is building B. is being built C. been built D. be buildingExercises一、选择填空6. The key _ on the table when I leave. A. was left B. will be left C. is left D. has been left7. His new book_ next month. A. will be published B. is publishing

11、 C. is being published D. has been published8. _ the watch been repaired yet? I badly need it. A. Does B. Has C. Is D. Are9. _ these desks be needed? A. Will B. Are C. Has D. Do10. Why _ to talk about it yesterday? A. didnt a meeting hold B. wasnt a meeting held C. wasnt held a meeting D. a meeting

12、wasnt held11. Who was the book_? A. write B. wrote C. written D. written by12. Where _ these boxes made? A. was B. were C. is D. am 二、用所给词的适当形式填空。1. The play _ （show) at the theatre next Sunday.2. Now these magazines_(keep) in the library for a long time.3. The story books_ (write) by the writer in

13、the 1960s.Great changes_(take place) in our country during the past 20 years. 4.9. Have you found your necklace _(steal) last week?6. Im often _(warn）not to copy others homework.7. He couldnt explain why dinosaurs _ (disappear).8. Ill have my bike _(mend/ repair) tomorrow.5. Must the old people _(sp

14、eak) to politely?10. The PRC _(found) on October 1, 1949.will be shownhave been keptwere writtenbe spokenwarneddisappearedmendedrepairedwas stolenwas foundedhave taken placesummaryQuiz1. Large numbers of plastic bags _ (use) in the supermarkets every day.2. _ our country _(send) up another man-made satellite last year? 3. Must the old people _ (speak) to politely?4. Her grandma was still alive when he _ (take) to the hospital.5. English _(speak) in many counties. are usedDidsendbe spokenwas takenis spoken6. Three quarters of the worlds books _