人教版九年级英语Unit语法(被动语态).ppt
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1、Revision-,the Passive Voice,被动语态,( a ),the Passive Voice (被动语态),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 Benz,The car_ _ by_.,was invented him,1885,When was it invented ?,was invented,1971,It_ _ in _.,1971,Bell,A: Who was the telephone invented by?,B: It was invented
2、 by_.,A: When was it invented ?,B: I think it was invented 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),
3、am/is/are + done,was/were + done,will/shall be + done,am/is/are being + done,was/were being + done,have/has been + done,had been + done,would/should be + done,主动语态变为被动语态的步骤:,1. 把主动句的宾语变为被动句的主语. 2. 把主动句的谓语动词变为be + 动词的过去分词的形式. 3. 把主动句的主语变为被动句中by后面的宾语(可以省略)。,注意: 主动句变为被动句后,被动句的时态必须与主动句的句式、时态保持一致。,People
4、 play football all over the world. Football is played (by people) all over the world.,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,注意因人称的变化而引起的主谓一致问题。,主动句与被动句之间的转换 We bought some books. 主语 + 谓语动词过去式的主动语态 + 宾语 Some books were bought ( by us ) 主语 +谓语动词过去式的被动语态 + 介词+ 宾语,把下列的句
5、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.,将下列句子由主变为被或由被变为主,Zheng Jie invented this special pen.变被动句,2)The bike
6、was fixed up by Jimmy. 变主动句,3) People use sunglasses to protect their eyes.,4) Teachers allow students to put up hands in class.,This special pen was invented Zheng Jie.,Jimmy fixed up the bike,Sunglasses are used (by people) to protect eyes.,Students are allowed (by teachers) to put up hands in cla
7、ss.,1.I open the door.,The door is opened by me.,2.He often helps 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
8、为被动语态。,Writing,Exercise,把下列句子变成被动句,1. Bell invented the telephone.,2. Tom bought some 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
9、city was visited by them last year.,I am often invited by Mr Green to his house.,Football is 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 class
10、room is going to be cleaned tomorrow.,Rice has been grown in South China.,把被动句变疑问.,Has rice been grown 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 sb,give sb sth,=give sth to sb,1.My father bought me a computer.,A computer was bought for me by my father.,I was bought a compute
11、r by my father.,2.He gives me a book.,A book is given to me by him.,I am given a book by him,二、无to不定式,一感 二听 三让 四看,feel,listen to.hear,let.have.make,watch. see.look at. notice,变为被动时加上to,eg. We often see him play basketball.,He is often seen to play basketball by us.,The boss made the children work fo
12、r long.,The children were made to work for long by the boss.,Exercises:,把下列句子变为被动语态,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.,Answe
13、rs:,1. The man was caught by the policeman just now. 3. The letter will be finished soon. 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.,三、注意动词短语的,常考到的动词短语有,完整性,take care of,look after,listen to,speak t
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