九年级英语全册 Unit 5 What are the shirts made of 被动语态课件

1、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)语态肯定句：主语be + 过去分词(by )否定句：主语be not 过去分词(by )一般疑问句：Be 主语过去分词(by )? 特殊疑问句： 疑问词be主语过去分词 (by ) 被动语态的时态是由be的时态决定的，be是什么时态，全句就是什么时态，be动词后面的过去分词不变。by many

2、students.Englishis studiedby many students.Englishis not studiedby many students.主动语态变被动语态的方法1.Many students study English.Englishis studied2.They make shoes in that factory.Shoesare madeby themin that factory.主动语态变被动语态的方法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

3、 后跟代词的宾格。）by the teacher.3.The teacher often asks him questions.Heis askedquestions1. 找宾语 -即动作的承受者They make shoes in that factory. Shoes2. 判断宾语的单复数 -即be动词的单复数.are made3. 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动变被,看清be, 结构分别be+ pp 助动词be有人称、数的变化,其

4、变化规则与be作为连系动词时一样。如：The desk is made of wood. The desks are made of wood.He is asked a question by the teacher.被动语态的结构am/is/are+及物动词的过去分词1.一般现在时的被动语态结构：1. They bought ten computers last term by them last term.2.一般过去时的被动语态结构：was/were +过去分词last year.2.We planted many trees last year.Many treeswere plan

5、tedTen computerswere bought3.一般将来时的被动语态结构：will be+过去分词1.They will finish the work in ten days.by them in ten days.The workwill be finished2.Tom will clean the room tomorrow.The roomwill be cleanedbyTom tomorrow.4.含有情态动词的被动语态结构：can/may/must/should + be+过去分词1.Amy can take good care of Gina by Amy.Gina

6、can be taken good care of2.You should drink more water.More water should be drunkby you.5.现在进行时的被动语态的结构is / am / are + being 过去分词1.Some workers are painting the rooms nowby some workers now.The roomsare being painted2.He is watching TV.TVis being watched by him.6.现在完成时的被动语态的结构have / has been 过去分词1.W

7、e have made twenty more keysby us.Twenty more keyshave been made2.We have finished our compositions.Our compositionshave been finishedby us.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/were doneam/is/are being donewas/were being doneshall/will be donewould be donehave/

8、has been donehad been doneSuch books are written for children. 这些书是为儿童写的。I havent been told about it . 没有人告诉我这件事被动语态的用法（1）不知道或没有必要说明动作的执行者是谁.Its / was said / believed / reported / + that Its reported that about three hundred people were killed in this earthquake. 据报道，这次地震中大约有三百人死亡。 （2）强调动作的承受者，这时应用b

9、y短语。The cup was broken by David.（3）作客观说明时，常采用一种被动语态句型.如：1.He gave me a book. I was given a book by him. （以I做主语） A book was given to me by Tom. （以物book作主语） 注意事项1.带双宾语句子的被动语态.（指物的宾语叫直接宾语， 指人的宾语叫间接宾语）常见的接双宾语的动词有:七给一带: pass, give, show, hand，send, write, bring 买画唱做: make, buy, draw, sing, get,以“人”当主语时，变

10、法和一般的变法一样；以“物”当主语时，在保留的间接宾语前必须加to或for.七给一带 to 不少，买画唱做 for 来帮keep, make 三类的动词常常有宾语补足 语，在被动语态中，宾语补足语位置不变。 We keep food fresh in the fridge. 主 谓 宾 宾补 Food is kept fresh in the fridge. I saw him go into the office building. He was seen to go into the office building. 2.含有宾语补足语的句子的被动语态 不及物动词没有宾语，因此没有被动语态

11、。但有的不及物动词后面加上介词及其他一些词类构成短语动词之后，其作用相当于及物动词，可以接宾语，因而也可以变为被动语态。在变成被动语态时，不能去掉构成短语动词的介词或副词.They take good care of my child. My child is taken good care of .I turned off the radio. The radio was turned off (by me) 3.含有短语的主动语态变被动语态即feel , hear , listen , have , make , let , look , watch , see , notice ，这些词

12、在主动句中，其后的动词不定式不加to，但变被动句时必须加to. 1.I saw him play basketball last Sunday.Hewas seento play basketball last Sunday.2.We heard them sing in the classroom.Theywas heardto sing in the classroom.4.感官动词和使役动词的被动语态（1）当主动结构中的宾语是反身代词和相互代词 时，不能改为被动语态。 We often help each other. 我们常常互相帮助。 （2）当谓语是表状态的及物动词时（如have ,

13、 like , take place , belong to ） 如： I like these flowers. 我喜欢这些花。 I will have a meeting. 不说A meeting will be had. 应说A meeting will be held . 5.不能用于被动语态的几种情况 把下列句子变成被动语态:A car knocked him down yesterday.2）Two doctors and ten nurses make up the medical team3）When I got there, they were cutting up a fa

14、llen treeA fallen tree was being cut up, when I got there.He was knocked down by a car yesterdayThe medical team is made up of by twoPractice4)Well put on the play next Sunday5)Workers are building a new teaching building in our school6)They had completed the railway by the end of last year The play

15、 will be put on next SundayA new teaching building is being built by workers in our schoolThe railway had been completed by the end of last year1. In some countries , tea _ with milk and sugar. A. is serving B. is served C. serves D. served 2. Great changes _ in my hometown since 1980. A. have been

16、taken place B. took place C. have taken place D. were taken place3. The new type of car is going to _ in three years. A. turn out B. be turned out C. has turned out D. have been turned out4. The woman murdered her friend and _ to _. A. was sentenced , death B. sentencing , die C. sentenced , death D

17、. sentenced , die被动语态专项练习：选择填空5. Do you like the skirt ? It _ soft. A. is feeling B. felt C. feels D. is felt6. Are you still here ? You were here an hour ago . Who _ for ? A. are you waiting B. did you wait C. were you waiting D. do you wait 7. _ to know Professor Zhang. A. He said B. I said C. He

18、is said D. It says 8. I want to sit at the table near the window. Sorry , _ already. A. it took B. it takes C. it is taking D. it has been taken9. The letter _ three days ago and it_ yesterday. A. had post , had arrived B. was posted , arrived C. posted , arrived D. had been posted , was arrived10.

19、He told me that the final examination _ next Thursday. A. is given B. will be given C. would have given D. would be given11. Water _ into ice. A. will changed B. must be changed C. should change D. can be changed 12. Plays _ twice a month in that theatre. A. put on B. are put on C. was put on D. oft

20、en put on 13. The birds _ fly away last Saturday. A. let to B. is let to C. was let D. were let to 14. A strange sound _ yesterday evening. A. was heard B. hears C. heard D. is heard 15. A beautiful bike _ him by his classmates. A. sent to B. will sent to C. was sent to D. will be sent for 16. Miss

21、Chen _ just _ to speak at the meeting. A. has been asked B. has been asked C. Have been asked D. have been asked17. Meat _ out in this shop . We can _ now. A. have been sold , get nothing B. has been sold , get nothing C. has been sold , get some D. have been sold , get some18. The new play _ in theatre now . Why dont you go in