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1、 The Great Wall was built by Chinese people.English is spoken by the most people in the world.The light was invented by Thomas Edison .The city is known for its mist .英语动词有两种语态：主动语态 (the Active Voice)被动语态(the Passive Voice)What is it?A. 主动语态表示主语是动作的执行者。B. 被动语态表示主语是动作的承受者。We planted the tree.The tree
2、 was planted by us.一般现在时： am / is / are +done一般过去时： was / were+ done当句中含有情态动词时，句子结构为 can / must / +be doneThe bike is made in our factory. 这自行车是我们厂生产的。This book was written in 1969. 这本书是1969年写成的。The baby must be looked after well. 这孩子必须被好好照顾。主变被解题步骤:1. 找宾语 -即动作的承受者They make shoes in that factory.Sho
3、es2. 判断宾语的单复数 -即be动词的单复数.arewere3. 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made5. 修改原句的主语 -即by+ 主语.by them.The classroom_ by us yesterday. 昨天教室被我们 打扫了。was cleanedWe cleaned the classroom yesterday. 昨天我们打扫了教室。一般现在时的被动语态： am/are/is + 过去分词过去分词1. People play football all over the world.2. Mr. Green te
4、aches us this term.Football all over the world.We this term.is played by peopleare taught (by Mr. Green)一般过去时的被动语态： was/were + 过去分词过去分词3. People built the Great Wall long ago.4. Two years ago we used the machinesto make shoes for children.The Great Wall long ago.Two years ago those machinesshoes for
5、 children. was built (by people)were used (by us) to make 情态动词的被动语态： must/have to/can等 + be + 过去分词过去分词 5. You must throw the broken glass away at once.6. We can finish our homework on time.The broken glass at once.Our homework_ on time.must be thrown away (by you)can be finished (by us)1.People use
6、knives for cutting things.Knives_ _ for cutting things.2.The students clean the windows of their classroom twice a month.The windows of their classroom_ _ twice a month.are usedare cleaned(变被动语态）七嘴八舌3.I found the ticket on the floor.The ticket _ _ on the floor.4.I told her to return the book in time
7、.She _ _ to return the book in time.was foundwas told3. We found the ticket on the floor .5. His doctor made him have only two meals a day.He _ _ _ _ only two meals a day.6.Now people can use computers to help them.Now computers _ _ _ to help them.was made to havecan be used7.The teacher asked Tom t
8、o turn on the computer.Tom _ _ to turn on the computer.8.In this factory women do most of the work.Most of the work _ _ by women in this factory.was askedis done9.He can mend the bike in two days.The bike _ _ _ in two days.10.You must take this medicine three times a day.This medicine _ _ _ three ti
9、mes a day.can be mendedmust betaken11.The students in this school study German.German _ _ by the students in this school.is studied一些特殊结构的被动结构一些特殊结构的被动结构: : （1）感觉动词(hear, see等)改被动语态 （2）使役动词(let, make等)改被动语态make, see, hear, watch 等，后接 不带“to”不定式时，变被动 语态时要还原“to” 。如：I saw him leave the house.He was seen
10、 toto leave the house.思 考 2： I usually hear her sing English songs in the morning. She is usually heard English songs in the morning.toto singHe makes her horse work all day.Her horse is made all day.My father let me go out for a picnic.I out for a picnic.toto work was let to to go 口诀：这些动词真奇怪，主动句中to
11、 离开，被动句中 to回 来。（hear, let，have, make, see, watch) 中考被动语态考题 1.The river smells terrible. People must _ dirty thinginto it.(南京市中考题）A. be stopped to throw B. be stopped from throwing C. stop to throw D. stop from throwing 2.This book _ often _from the library.(北京市中考题）A. arent take away B. taken awayC.
12、isnt taken away D. be taken away 3.He _ _(tell) to return his books to the library yesterday. (黄冈市中考题）was told4.People there planted many trees last year. Trees _ _ by people there last year. (青岛市中考题） 5. They grow vegetables on the farm. （上海市中 考题）The vegetables _ _on the farm.Twere plantedare grown二
13、、用所给词的正确形式填空 。 (cover, invent, answer, write, return, call)1. All the questions_ correctly. 2. More than two thirds of the earth _ with water. 3. Our city Beijing.4. All the magazines _ to the school library last week. 5. This new machine _ by Mr. Black last year.6. All the words on the back of the card.is covered were returnedwas invented was answeredis calledare written5)Exercises: 选择填空: 1. Windows_ of glass. A.be made B. is made C. are made D. been made 2. The house_ in 2004. A.is built B. is building C. was built D. used 3. A coat can_ for keeping warm. A.be use
