初中不规则动词过去式.ppt

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1、The Passive Voice,Active and Passive Voice,Voice The voice of a verb tells whether the subject of the sentence performs or receives the action.In English there are two voices,passive and active.,Active and Passive Voice,Active Voice In active voice,the subject performs the action expressed by the ve

2、rb:The student wrote a song.Passive Voice In passive voice,the subject receives the action expressed by the verb:A song was written by the student.,1。结构 be+过去分词(及物的),2。各种时态的被动结构：一般时态：am/is/are+过去分词 The Chinese food _ to be the healthiest in the world.A.considers B.is considering C.is considered D.ha

3、s considered,1。结构 be+过去分词,过去时态：was/were+过去分词John _,for he went swimming yesterday without permission.A.would punished B.had punished C.punished D.was punished,1。结构 be+过去分词,现在进行时态：am/is/are+being+过去分词-Have you moved into the new house?-Not yet.Rooms _.A.are painting B.are painted are being painting D

4、.are being painted,过去进行时态：was/were+being+过去分词Mr.Wu was in hospital.When we went to see him,he _on.A.operated B.was operated C.was operating D.was being operated,一般将来时态：will+be+过去分词The new school _ when the new term begins.A.finishes B.will finish C.will be finished D.would finish,过去将来时态：would+be+过去分

5、词The old scientist said that he _ to visit their country before long.A.invited B.had invited C.was inviting D.would be invited,现在完成时态：have/has+been+过去分词With the help of the Hope Project,more and more new schools _ in the poor area.A.built B.have built C.have been built D.have been building,过去完成时态：ha

6、d+been+过去分词 He came out and told us that the work _.A.finished B.was finished C.had finished D.had been finished 情态动词：情态动词+be+过去分词The programmes _ if you use a short wave radio.A.can pick up B.pick up C.picked up D.can be picked up,3.何时用被动语态不知道或没必要知道动作的执者。The book was first published in the late 199

7、0s.b)不便说出动作的执行者。The plan was generally considered impractical.,3.何时用被动语态c)突出动作的承受者。She is respected by all the workers of the factory.,d)汉语中的无主句，在英语中用被动语态。Smoking is not allowed in public places.e)为了保持主语的一贯性。The old professor wheeled himself into the classroom and was warmly applauded by the student

8、s.,4.不用被动语态的情况：1）不及物动词不用被动语态；注意：happen,occur,take placeThe story was happened in 1934.(）2）表状态的动词不用被动语态；have,lack,fit I have a new bike.,3）连系动词不用被动语态；The story is sounded true.(）4）有些短语不用被动语态 do ones best,make a face,make room(腾位子）make up ones mindbelong to,5.特殊情况（考试重点）1）感官动词(taste;feel;smell;sound;lo

9、ok)用主动形式表示被动。How sweet the music sounds!Good medicine tastes bitter to the mouth.,5.特殊情况（考试重点）2）write、read、sell、keep、prove、weigh、drink、wash、open/shut常用主动形式表被动意义。尤其是有副词 well,easily时。The book sells well.这本书销路很好。The door will not open.(这扇门就是打不开。)This dress washes better.The sign reads as follows.(这牌子告示

10、如下。),3）在“主 be 形容词不定式”的结构中，主语是不定式动词动作的承受者。e.g.He is easy to get along with.The sentence is difficult to understand.The question is easy to answer.4).be to blamee.g.He is to blame for the broken window.,5）need,demand,want(需要）,require,be worth等后用动名词表被动。The desk needs repairing.The novel is worth seeing.,注意：need后可接动名词表被动，又可接动词不定式的被动形式。但若有附加成分用动词不定式的被动形式。比较：The desk needs repairing.The desk needs to be repaired this afternoon.,注意动名词的被动形式，（being done)Nobody likes being laughed of.没人喜欢被嘲笑。,The end,5)be worth doing e.g.The book is worth reading.,