_Unit5语法 被动语态专项讲解 课件人教版英语九年级.ppt

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1、被动语态,1.Teenagers should be allowed to choose their own clothes.,2.English is spoken by many people .,4.Lucky 52 is watched on TV by many people .,3.The tickets about heroes are sold out .,5.Rice is planted in South China.,6.He is said a good boy .,语态：表示主语和谓语动词之间的关系。英语有两种语态，即主动语态和被动语态。,主动语态：表示主语是动作的执

2、行者。被动语态：表示主语是动作的承受者。如：Many students study English.(主动语态) English is studied by many students. (被动语态),语态,被动语态的构成,Be+及物动词的过去分词,The classroom is cleaned every day.,Peter was allowed to go out at night.,A sports meeting will be held next week.,by many students.,主动语态变被动语态的方法,1.Many students study English

3、.,English,is studied,1.把主动语态的宾语变为被动语态的主语。,2.把主动语态的谓语变为被动语态的谓语。,3.把主动语态的主语变为被动语态的by 短语。（ by短语可以省。 by短语 后跟代词的宾格。）,1. 找宾语 -即动作的承受者,They make shoes in that factory.,Shoes,2. 判断宾语的单复数 -即be动词的单复数.,are made,3. 判断动词的时态 -即be动词的时态.,4. 修改谓语的时态 -即原句动词改为过去分词,5. 修改原句的主语 -即by+ 主语/ 宾语.,by them.,主变被解题步骤,宾变主,主变宾,前加by

4、动变被,看清be, 结构分别be+ pp,被动语态的时态,1. 一般现在时的被动语态：is / am / are + 及物动词的过去分词,Our classroom is cleaned every day.,They play football on Sunday.Lucy does the homework in the evening.They often use computers in class.We make these machines in Beijing.,Football is played by them on Sunday.,The homework is done

5、by Lucy in the evening.,Computers are often used by them in class.,These machines are made in Beijing.,被动语态的时态,2.一般过去时态的被动语态,was/were + 及物动词的过去分词,A new shop was built last year.,They built the tall building last year.He took good care of his little brother yesterday.We cleaned our classroom just now

6、.They used this room for resting.,The tall building was built by them last year.,His little brother was taken good care of by him yesterday.,Our classroom was cleaned by us just now.,This room was used for resting by them.,3. 含情态动词的被动语态,情态动词+be+及物动词的过去分词,The blackboard should be cleaned clearly befo

7、re class.,1.He can take care of the baby.2.Lucy may draw the pictures.3.You must turn off the lights.4.They should learn English well.,The baby can be taken care of by him.,The picture may be drawn by Lucy.,The lights must be turned off by you.,English should be learned well by them.,Change the foll

8、owing sentences into the Passive Voice,1.They make TV sets in that factory .,2.Northwest China grows the best cotton .,3.They use this room for playing Ping pong .,4.Bell invented the telephone in 1876.,TV sets are made in that factory,The best cotton is grown in Northwest China .,This room is used

9、for playing Ping pong,The telephone was invented by Bell in 1876.,5.The manager made them work 10 hours a day .,7. You should water trees often .,8.You must not plant trees in very dry earth .,They were made to work 10 hours a day.,Trees should be watered often .,Trees must not be planted in very dr

10、y earth .,几种特殊结构,1. see,watch,hear,notice,feel,make, listen to, look at等动词/短语后作宾语补足语的不定式都不带to；但改成被动语态后必须带to。,We often hear him sing English songs.He is often heard to sing English songs.,2. 带双宾语的动词也就是动词+间接宾语（人）+直接宾语（物）变被动语态时，既可以把直接宾语作为被动语态的主语，也可以把间接宾语作为被动语态的主语，但是要注意：当把直接宾语作为主语是要补充相应的介词to或者for.,Tom g

11、ave me a ruler.I was given a ruler.A ruler was given to me.,My father bought me a bike.I was bought a bike.A bike was bought for me.,3. 不及物动词或者动词短语变被动语态是相应的介词不能省略。,We should speak to old people politely.Old people should be spoken to politely.We should take care of the pets.The pets should be taken

12、care of.,下列这些短语本身即是被动语态的形式，不需再加by be covered with 用覆盖着 be interested in 对感兴趣 be surprised at 对感到惊奇 be made of （from）用制造的,动词短语的被动语态 take care of be taken care of cut down be cut down laugh at be laughed at look afterbe looked after,1.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,wr

13、ite,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 washed,B,C,主动式表被动义,2.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,go

14、od, comfortable,light,heavy,safe,The fish is not fit _(eat)We find English is hard _ (learn)The article is difficult _ (understand).,to eat,to learn,to understand,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 do,to read,表示状态特征

15、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 cloth feels soft,5. 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”

16、讲的want/need/require后接动词-ing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 washed,Quiz 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. sounds,C,D,Quiz 2,Quiz 2The shop _ at 6 am. every day

17、 A. opens B. opened C. is opened D. is openingWork _ at 7 pm. today A. ends B. ended C. was ended D. had ended,A,B,The 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 washed,Quiz 3,B,C,Your jacket needs _(wash)The house requires _ (repair),Quiz 4,washing,repairing,The fish is not fit _(eat) We find English difficult _ (learn),to eat,to learn,Quiz 5,1.主+谓+宾+宾补 只将主动语态中的宾语变为被动语态的主语， 宾补不变。,