人教版九年级英语Unit9语法(被动语态)8课件

1、Revision-the Passive Voice被动语态( a ) Whats it made of ? -Its made of metal.-Its used for riding. -Its made in China.Whats it used for ? Where is it made ?the Passive Voice被动语态表示主语是动作的承受者.Who invented the car?_ invented the car.Karl Benz Karl BenzThe car_ _ by_.was invented him 1885When was it invente

2、d ?was invented1971It_ _ in _.被动语态的用法：1、当不知道谁、没有必要或不想指出谁是动作的执行者时；2、只需强调动作的承受者时；3、汉语中的“被、受、由”等词译成英文时；4、当动作的发出者不是人时，往往用被动语态 e.g. (1) English is spoken in Canada. (2) She was elected the monitor of our class. (3) I was shocked by the news.各种时态的被动语态（时态体现在be动词时上）am/is/are + donewas/were + donewill/shall

3、be + doneam/is/are being + donewas/were being + donehave/has been + donehad been + donewould/should be + donee.g. 1.They make trains in Zhuzhou . (主动语态 ) Trains _ in Zhuzhou. (被动语态) 2.The farmers grow cotton every year. Cotton _ by the farmers every year. 3.Many people speak English. English _ by ma

4、ny people. are madeis grownis spoken 助动词be +及物动词动词的过去分词被动语态的构成：注意: (be 有人称、时态和数的变化)1. Trees _ ( plant ) by us in spring every year.2. The house _( build ) last year. 3. Li Ming will _ ( ask ) to attend the lecture.4. A new building _ (build) in our school now.5. The road were _ ( repair ). 6. He has

5、 _ ( send ) to work in Guangzhou.7. The work _ ( finish ) when I got there.8. The scientist would _ ( invite ) to visit Iraq.are plantedExercises:was builtbe askedbeing repairedis being builtbeen senthad been finishedbe invited变被动语态时需要注意的事项一变二套三注意宾变主，主变宾，宾语前面by跟，谓语动词变过去分词，不忘前面be动词跟套时态，主被动时态一致注意因人称的变

6、化而引起的主谓一致问题。把下列的句子变为被动语态的句子：1、They speak English in Canada .2、People used wood for making tables. 3、They are making computers in the USA.English is spoken in Canada(by them).Wood was used for making tables.Computers are being made in the USA.1.I open the door.The door is opened by me.2.He often help

7、s homeless people.Homeless people are often helped by him.3.I handed out some papers just now.Some papers were handed out by me just now.主动语态:主语是动作的执行者。被动语态:主语是动作的承受者。被动语态结构为：(主动语态)(主动语态)(主动语态)(被动语态)(被动)(被动语态)be+过去分词将下列句子变为被动语态。WritingExercise把下列句子变成被动句1. Bell invented the telephone.2. Tom bought so

8、me books yesterday.The telephone was invented by Bell.Some books were bought yesterday.3. They visited the city last year.4. Mr Green often invites me to his house.5. People all over the world love football.The city was visited by them last year.I am often invited by Mr Green to his house.Football i

9、s loved by people all over the world.6、They have grown rice in South China.7. We must plant more trees next year. 8.I am going to clean our classroom tomorrow.More trees must be planted next year.Our classroom is going to be cleaned tomorrow.Rice has been grown in South China.把被动句变疑问.Has rice been g

10、rown in South China？变被动语态的特殊情况一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth=give sth to sb1.My father bought me a computer.A computer was bought for me by my father.I was bought a computer by my father.2.He gives me a book.A book is given to me by him.I am given a book by himExercises：把下列句子变为被

11、动语态1. The policeman caught the man just now.3. He will finish the letter soon.4. They made little Tom walk up and down.5. His friends often laugh at him.6. They see the tall man go into the house in his class.Answers:1. The man was caught by the policeman just now.3. The letter will be finished soon

12、.4. Little Tom was made to walk up and down.5. He is often laughed at by his friends.6. The tall man is seen to go into the house in his class.四、无被动语态的动词。不及物动词及系动词happentake placedierisecome truecome outeg.1. An accident (happen) just now.happened 2. Im sure that my dream .(come true) some day in th

13、e futurewill come true根据句意,用括号中所给单词的正确形式填空。 Where is my desk? It _ (carry) away by me just now.2. A speech on Chinese history _ (give) in the school hall next week. was carriedwill be given6. Could I borrow your dictionary?Sorry, it _ (use) by me now.7. Our headmaster said a new library _ (build) in

14、 our school the next year.is being used would be built几种句式的被动语态I. 含有情态动词的被动语态：情态动词 + be + 动词的过去分词e.g. We must keep the food in a cool place. The food must be kept in a cool place.II. 含有短语动词的主动句变为被动语态时，不要遗漏与动词连用的介词或副词。e.g. We should take good care of the sick child. The sick child should be taken goo

15、d care of.III. 含有复合宾语的主动句变为被动语态时，若宾补为不带to的动词不定式，被动语态中必须加上to。常见的这类动词有：see, hear, watch, make, have等e.g. We often hear him sing in the next room. He is often heard to sing in the next room.The boss made the workers work 12 hours a day.The workers _ 12 hours a day.were made to work根据汉语意思,完成下列各句,每空一词。1.

16、 你认为明天谁会来？_ _ _ _ will come tomorrow? 2. 太阳镜能用来保护你的眼睛不受阳光的伤害。Sun glasses can _ _ _ protecting your eyes from bright sunlight.3. 这种新的教学方法是谁发明的？_ was this new teaching method _ _? Who do you think be used for Who invented by 4. 你认为哪一个最漂亮？_ do you think _ _ _ beautiful?5. 我想喝一杯茶，因为我感到口渴了。_ _ _ have a c

17、up of tea because I feel thirsty.6. 我没有时间来更多的阅读。I dont _ _ _ _ more reading. Which is the most Id like to / I want to have time to do Here is a box. You can use it to cook many kinds of delicious food, such as fish, chicken, meat and rice. You can also use it to make cold dish and food hot in a few

18、minutes. Lets make up some puzzles Here is another box with a beautiful glass face. It looks like a TV, but it isnt a TV. It can be used for working very fast. It can help you study or work. This little thing has got numbers from 0 to 9. It is very small, so you can put it into your pocket. Wherever

19、 you go, you can use it to talk to your friends and your families far away. Here is a big box. It can make your clothes clean and your housework easy. With its help you can have more time to relax or to work . The alarm clock is one of the most annoying _ （发明）.2 The scoops_ (use) for having soup. =

20、The scoops_ _(use) _ have soup. 3The alarm clock is used for_ _ _ （叫醒我） The potato chips were invented by a chef._ _the potato chips _by?By _ _the potato chips _ ?5The telephone was invented in 1876._ _the telephone _ ?达标练习inventions are used are used to waking me upWho were inventedwhom were invent

21、edWhen was invented 用“invented” 或 “used for”填空.1. What are electric slippers _?2. Who were shoes with adjustable heels _ by?3. When was tea _?4. What are microwave ovens _?5. When were potato chips _?EXERCISESused forinventedused forinventedinvented常用的被动语态短语be made of from intobe used to do for doing as由-制成的看出原材料看不出原材料原材料制成成品be filled withbe covered witheg. 1.Paper is made wood.from 2.Tables