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英语各种时态的被动语态和主动语态的规则是什么 各举2个句子

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英语各种时态的被动语态和主动语态的规则是什么 各举2个句子
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.时态被动语态结构一般现在时 am/is/are done 一般过去时 was/were done 现在进行时 am/is/are being done 过去进行时 was/were being done 一般将来时 shall/will/be going to be done 过去将来时 Would be done现在完成时 have/has been done 过去完成时 had been done Eg.Some people attacked the towers. S V O The towers were attacked by some people.S V1) A car knocked him down yesterday.-He was knocked down by a car yesterday.2)Two doctors and ten nurses make up the medical team. The medical team is made up of by two….3)When I got there, they were cutting up a fallen tree.A fallen tree was being cut up, when I got there.4)We’ll put on the play next Sunday.The play will be put on next Sunday.5)Workers are building a new teaching building in our school.A new teaching building is being built by workers in our school.6)They had completed the railway by the end of last year. The railway had been completed by the end of last year.7)We should protect the earth.The earth should be protected.8)You need to paint the wall.The wall needs to be painted.几种特殊结构1.My uncle gave me a gift on my birthday.I was given a gift on my birthday.A gift was given to me on my birthday.2.We often hear him play guitar.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.We should take care of the old people .The old people should be taken care of.主动式表被动义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,write,sell,wash,clean,wear,lock, open,cook,shut,dry,eat,drink,…1.The books ____ well.A. were sold B. sell C. have sold D. are being sold2.This kind of cloth ____ easily. A. has washed B. was washed C. washes D. is washed2.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,…1.The fish is not fit _to eat_(eat).2. We find English is hard _to learn_ (learn).3.The article is difficult__ to understand_ (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.1.I have a lot of homework ______(do).2.I’ll give him some books ______ (read).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 feels cold.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.6. 作“需要”讲的want/need/require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 washedExercise:1.Newspapers are made __ paper. Paper is made __ wood.A.from/of B. of/from C. of/in D. in/from 2.A lot of new roads ___ built in the west of China.must B. must be C. has D. have 3.This dictionary mustn’t ____ from the library.A.take away B. taken away C. are taken away D. be taken away4.My shoes ____ . I went out for a new pair.A.is worn out B. wore out C. were worn off D. were worn out 5.His car ___ tomorrow.A.will be repaired B. is repaired C. is being repaired D. has been repaired 6.When your homework ____ , we will go to play football.A.is done B. are done C. had done D. will be done7.He asked me _______.A.what the paper is used B. what the paper was used forC. what was the paper made of D. what’s the paper used as 8.Three fourths of the information on the internet ___ in English.A.am B. is C. are D. be9.English is widely used. Many business letters around the world ___ in it.A.are written B. were written C. are writing D. were writing 10.This pair of scissors ___ in China.A.Make B. made C. is made D. are made11.Three quarters of the messages _____ by telegraph.Was sent B. were sent C. Sent D. send12. In the past 10 years, China ____ up many man-made satellites.A.has been sent B. has sent C. was sent D. sent 13.They ___ to help the farmers with the harvest last autumn.asked B. asking C. to ask D. were asked14.We are always kept ____.to smoking B. on smoking C. from smoking D. off smoking 15.Nothing can stop us ___ English.A.learn B. learning C. learned D. learns16.Mary ___ some songs in her room in the morning.A.heard sing B. heard to sing C. was heard sing D. is heard to sing17. Mary ___ an English song in her room last night.A.was heard to sing B. is heard to sing C.was heard singing D. is heard singing 18. The guide said that the dinosaur eggs ____ about 95 million years ago.lay B. were lay C. laid D. were laid19. We found the ground ____ snow.A.cover with B. is covered with C.was covered with D. was covering with 20. The shop assistant showed a hat _____ red silk to us.A.made from B. made of C. was made of D. was made from 21. We can find many pictures ____ by Xu Beihong in the museum.A.drawing B. drawn C. drew D. to draw22.Have these words _____ by us yesterday?been learnt B. learnt C. learned D. were learnt 23. Have you heard of a dinosaur _____ feathers?A.was covered by B. was covered with C. covered with D. covered by24.About 500 cars ___ in the factory next month.A.were produced B. will be produced C. will be made D. have been produced 25.She ______ for 10 years.A.has been marry B. has married C. has been married D. have marry 26.The sentence “Thank you” ___ in our everyday life.A.Often use B. often use C.is often used D. are often used 27.Most business letters are ___ English.A.Wrote by B. writing with C. Written in D. written by28.The box is used __ sitting ___ a chair ___ Mike.A.for,as, by B. by,for,of C. as,for,by D. for,by,as 29.Middle school students ___ not to smoke.A.always tell B. are told always C. tell always D. are always told30.The room had better ____ this afternoon.A.be cleaned B. to be cleaned C. clean D. to clean31. Everyone knows that paper ____ in China.A was made first B. at first was made C. was made at first D. was first made 32. He said that his teeth needed ____.A.to be repaired B. repair C. repaired D. to repair 33.The idea seems good but it needs_____.A.Trying on B. To try at C. To be tried out D. Being tried 34. Tell me what _____ next.A.to be finished B. Be finished C. To finish D. Finish 35. The dirty clothes ___ by his mother now.are washed B. are washing C. were washed D. are being washed36.Tom ! You _____on the phone just now, but you _____in.A.wanted , were B. are wanted , are C. were wanted , weren’t D. called , aren’t 参考答案:1-5 BBDDA 6-10 ABBAC 11-15 BBDCB 16-20 DCDCB 21-25 BACBC 26-30 CCADA 31-36 DACADC