初中英語(yǔ)被動(dòng)語(yǔ)態(tài)講解及練習(xí)PPT課件

1、英語(yǔ)動(dòng)詞有兩種語(yǔ)態(tài)：英語(yǔ)動(dòng)詞有兩種語(yǔ)態(tài)：主動(dòng)主動(dòng)語(yǔ)態(tài)和語(yǔ)態(tài)和被動(dòng)被動(dòng)語(yǔ)態(tài)。語(yǔ)態(tài)。 1.1.當(dāng)我們不知道誰(shuí)是動(dòng)作的執(zhí)行者當(dāng)我們不知道誰(shuí)是動(dòng)作的執(zhí)行者, 2 2. 或者只需強(qiáng)調(diào)動(dòng)作的承受者時(shí)，要用或者只需強(qiáng)調(diào)動(dòng)作的承受者時(shí)，要用被動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)。被動(dòng)語(yǔ)態(tài)結(jié)構(gòu)：be + 過(guò)去分詞(PP) + (by )第1頁(yè)/共25頁(yè)表格：被動(dòng)態(tài)基本結(jié)構(gòu)時(shí)態(tài)時(shí)態(tài)被動(dòng)語(yǔ)態(tài)結(jié)構(gòu)被動(dòng)語(yǔ)態(tài)結(jié)構(gòu)一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)一般過(guò)去時(shí)一般過(guò)去時(shí)一般將來(lái)時(shí)一般將來(lái)時(shí)現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)am/is/are being done現(xiàn)在完成時(shí)現(xiàn)在完成時(shí)am/is/are donewas/were done(shall/will/be going

2、 to) be donehave/has been done第2頁(yè)/共25頁(yè)情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài) 情態(tài)動(dòng)詞+ be + done must be done/mustnt be done should be done/ shouldnt be done can be done/ cant be done may be done/ might be done第3頁(yè)/共25頁(yè)各種時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)構(gòu)成 1）一般現(xiàn)在時(shí)：You are invited to do this.2）一般過(guò)去時(shí)：The story was told by her.3）一般將來(lái)時(shí)：The problem will be discus

3、sed tomorrow.第4頁(yè)/共25頁(yè)4)情態(tài)動(dòng)詞：The rubbish can be put into the dustbin over there.第5頁(yè)/共25頁(yè) 在改寫(xiě)中應(yīng)注意： 1.把來(lái)的提到前面作被動(dòng)語(yǔ)態(tài)的 2.把動(dòng)詞變成“”; 3.主動(dòng)語(yǔ)態(tài)中的變?yōu)榻樵~的Many people speak Chinese.Chinese is spoken by many people.第6頁(yè)/共25頁(yè)He plants trees in spring. 主謂賓(受動(dòng)者)Treesare plantedbyhim改為被動(dòng)語(yǔ)態(tài)in spring.第7頁(yè)/共25頁(yè)Tom will clean t

4、he room tomorrow.主謂賓(受動(dòng)者)The roomwill be cleanedbyTom tomorrow.第8頁(yè)/共25頁(yè)His brother washes bowls every day.主謂賓(受動(dòng)者)Bowls are washedbyhis brother every day.第9頁(yè)/共25頁(yè)1.People use knives for cutting things.Knives _ _ for cutting things.2.The students clean the windows of their classroom twice a month.The

5、 windows of their classroom_ _ twice a month. are usedarecleaned(變被動(dòng)語(yǔ)態(tài)）第10頁(yè)/共25頁(yè)3.I found the ticket on the floor._ _ _ _ on the floor.4.I told her to return the book in time.She _ _ to return the book in time.The ticket was found was told第11頁(yè)/共25頁(yè)5. His doctor made him have only two meals a day.He

6、_ _ _ _ only two meals a day.6.Now people can use computers to help them.Now computers _ _ _ to help them. was made to have can be used第12頁(yè)/共25頁(yè)10.The teacher asked Tom to turn on the computer.Tom _ _ to turn on the computer.11.In this factory women do most of the work. Most of the work _ _ by women

7、 in this factory. was asked is done第13頁(yè)/共25頁(yè)12.He can mend the bike in two days.The bike _ _ _ in two days.13.You must take this medicine three times a day.This medicine _ _ _ three times a day. can be mended must be taken第14頁(yè)/共25頁(yè)14.The students study German in this school.German _ _ by the student

8、s in this school.15.Do they often talk about this question?_ this question often _ about _ _? is studiedIs talked by them第15頁(yè)/共25頁(yè)1)Teenagers should _ (allow) to go out at night.2)The telephone _ (invent) by Bell.3) English _ (speak) in China.4) The car _ (make) in China.5) The room must _ (clean) e

9、very day. be allowedwas inventedis spoken is madebe cleaned第16頁(yè)/共25頁(yè)Oral practice-主動(dòng)句改被動(dòng)句 Oral practice-1. Change each sentence into passive voice: A car knocked him down yesterday. These two kids plant trees every year 3)We should protect the earth 4)Well put on the play next SundayHe was knocked d

10、own by a car yesterdayTrees are planted by these two kids every year.The earth should be protected by us.The play will be put on by us next Sunday.第17頁(yè)/共25頁(yè)幾種特殊結(jié)構(gòu)1.My uncle gave me a gift on my birthday2.We often hear him play the guitarA gift was given to me on my birthday.He is often heard to play

11、 the guitar注意1：see,watch,hear,notice,feel,make, listen to, look at等動(dòng)詞/短語(yǔ)后作賓語(yǔ)補(bǔ)語(yǔ)的不定式都不帶to；但改成被動(dòng)語(yǔ)態(tài)后必須帶to。Be seen to do, be made to do, be heard to do, be watched to do 第18頁(yè)/共25頁(yè)We should look after the old people .The old people should be looked after by us.注意2：有些不及物動(dòng)詞加介詞構(gòu)成及物動(dòng)詞短語(yǔ)，如果變被動(dòng)語(yǔ)態(tài)，不能把動(dòng)詞后的介詞丟掉。第1

12、9頁(yè)/共25頁(yè) 注意3： 主語(yǔ)+連系動(dòng)詞+表語(yǔ) 的句子沒(méi)有被動(dòng)語(yǔ)態(tài)。 The food tastes delicious. 注意4：there be 結(jié)構(gòu)沒(méi)有被動(dòng)語(yǔ)態(tài)第20頁(yè)/共25頁(yè)表示主語(yǔ)的屬性特征well/ badly/easily/smoothly),用主動(dòng)式表被動(dòng)義。 read,write,sell,wash,clean,wear,lock, open,cook,shut,dry,eat,drink,The books _ well A. were sold B. sell C. have sold D. are being soldThis kind of cloth _ easi

13、ly A. has washed B. was washed C. washes D. is washedBC主動(dòng)式表被動(dòng)義第21頁(yè)/共25頁(yè)7. Did you plant many trees at this time last year?_ _ _ _ at this time last time?8.Must we finish our work today?_ our work_ _ today?Were many trees plantedMust be finished第22頁(yè)/共25頁(yè)9. The foreign friends gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonderful stamps _ _ _ _. we were given were given to us第23頁(yè)/共25頁(yè) ( ) 1.The monkey was seen _ off