unit3(被动语态讲解)可以看看课件

1、Passive Voice被动语态Passive Voice被动语态英语动词有两种语态：主动语态和被动语态。 1.当我们不知道谁是动作的执行者, 2. 或者只需强调动作的承受者时，要用被动语态。被动语态结构：be + 过去分词(PP) + (by )在改写中应注意：1.把原来的宾语提到前面作被动语态的主语;2.把动词变成“be + 过去分词”;3.主动语态中的主语变为介词by的宾语。英语动词有两种语态：主动语态和被动语态。 1.当我们不知道表格：被动态基本结构时态被动语态结构一般现在时一般过去时现在进行时过去进行时一般将来时过去将来时现在完成时过去完成时am/is/are donewas/we

2、re doneam/is/are being donewas/were being doneshall/will/be going to be doneWas/were goingto/would be donehave/has been donehad been done表格：被动态基本结构时态被动语态结构一般现在时一般过去时现在Some people speak English. S V O English is spoken S V by some people.Some people speak English.Oral practice-主动句改被动句 Oral practice-1

3、. Change each sentence into passive voice:A car knocked him down yesterday.(knockdown(击倒、撞倒）Two doctors and ten nurses make up the medical teamWhen I got there, they were cutting up a fallen treeHe was knocked down by a car yesterdayThe medical team is made up by twoA fallen tree was being cut up, w

4、hen I got there.Oral practice-主动句改被动句 Oral pra4)Well put on the play next Sunday5)Workers are building a new teaching building in our school 6)They had completed the railway by the end of last year The play will be put on next SundayA new teaching building is being built by workers in our schoolThe

5、railway had been completed by the end of last year 4)Well put on the play next S7)We should protect the earth8)You need to paint the wallThe earth should be protectedThe wall needs to be painted7)We should protect the earth几种特殊结构1.My uncle gave me a gift on my birthday2.We often hear him play guitar

6、I was given a gift on my birthdayA gift was given to me on my birthday.He is often heard to play guitar注意：see,watch,hear,notice,feel,make, listen to, look at等动词/短语后作宾语补语的不定式都不带to；但改成被动语态后必须带to。几种特殊结构1.My uncle gave me a gifWe should take care of the old people .The old people should be taken care of

7、.We should take care of the old1。动词 (表示主语的属性特征) + 副词 (well/ badly/easily/smoothly),用主动式表被动义。 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 _ easily A. has washed B. was washed C. washes D. is

8、washedBC主动式表被动义1。动词 (表示主语的属性特征) + 副词 (well/ b2.不定式在某些形容词后作状语,且和句子的主语(或宾语)构成动宾关系时,用主动式表被动义。difficult,easy,hard,fit,pleasant,good, comfortable,light,heavy,safe,The fish is not fit _(eat)We find English is hard _ (learn)The article is difficult _ (understand).to eatto learnto understand2.不定式在某些形容词后作状语,

9、且和句子的主语(或宾语)构成3.不定式作后置定语,与被修饰的名词构成动宾关系,又和该句主语(或宾语)构成主谓关系时,用主动式表被动义。I have a lot of homework _(do)Ill give him some books _ (read)to doto read3.不定式作后置定语,与被修饰的名词构成动宾关系,又和该句主表示状态特征的连系动词+adj./n.,用主动式表被动义。4表示状态特征的连系动词+adj./n.,用主动式表被动义。 (look,sound,feel,smell,taste, prove, appear,make,.)The steel（钢) feels

10、 cold5 表示“开始、结束、运动”的动词用主动式表被动义。(begin,open,start,stop,end,finish,shut, move,run,.)The shop opens at 6 am. every day表示状态特征的连系动词+adj./n.,用主动式表被动义。4表示主语的属性特征的动词+副词well/ badly/easily/smoothly,用主动式表被动义6. 作“需要”讲的want/need/requirerikwai（需求）后接动名词作宾语时，用主动式表被动义；当然也可接不定式的被动式作宾语。Your jacket needs washing/ to be

11、 washed表示主语的属性特征的动词+副词well/ badly/easQuiz 1 Quiz 11. The steel _ cold A. is felt B. was feeling C. feels D. is being felt2. His plan _ good A. has sounded B. is sounding C. is sounded D. soundsCDQuiz 1 Quiz 1CDQuiz 2Quiz 2The shop _ at 6 am. every day A. opens B. opened C. is opened D. is openingWor

12、k _ at 7 pm. today A. ends B. ended C. was ended D. had endedABQuiz 2Quiz 2ABThe pen _ smoothly A. was wrote B. writes C. has writing D. is writtenThis coat _ easily A. has washed B. was washed C. washes D. is washedQuiz 3BCThe pen _ smoothlyQuiz 3Your jacket needs _(wash)The house requires _ (repai

13、r)Quiz 4washingrepairingYour jacket needs _(wasThe fish is not fit _(eat) We find English difficult _ (learn)Quiz 5to eatto learnThe fish is not fit _(eaI have much homework _ (do)Ill give the boy some books _(read)Quiz 6to doto readI have much homework _ (doCorrecting mistake2.Correct the mistake(s

14、) in each sentence if any:1)Two boys hurt while playing a ball2)The singer lived in London until he was sending to university3)How long do you think the meeting will be lasted?was sentwill lastwere hurtCorrecting mistake2.Correct th4)A fire was broken out last night5)He had to travel by bus as his c

15、ar was damaged in an accident a few days before6)The large building that is now built will be a hospitalhad been damageddmid毁坏is now being builtbroke out（爆发）4)A fire was broken out last n7)Class is begun at 7:30 every day8)His plan is sounded good9)Your coat needs being washedbeginssoundsto be washe

16、d / washing 7)Class is begun at 7:30 every1.An exhibition of paintings _ at the museum next weekAare to be held B. is to be heldC. are holdingDwill holdMultiple choice复式选择B1.An exhibition of paintings _2. Im sorry,sirYour recorder isnt ready yetIt _ in the factory is being repaired is repaired has been repaired hasnt been repairedA2. Im sorry,sirYour recorder4The question he asked is hard _ A. for answer B. to answer Cto be answered D. answeringB4The question he asked is har5In warm weather, fruit and meat _ long cannot be kept dont keep mustnt keep is not keptA5In warm weather, fr