初中英语语法-被动语态.ppt

1、中考语法精讲被动语态,被动语态的基本构成： be+动词的过去分词 （be+done),The passive voice.,被动语态,主动语态变被动语态的结构图:,Bell invented the telephone in 1876. The telephone was invented by Bell in 1876.,主语,谓语动词过去时,宾语,时间状语,主语,谓语动词的过去分词,宾语,时间状语,1.一般现在时am/is/are +done,We clean the classroom every day. The classroom is cleaned by us every day

2、.,He put on a coat. A coat was put on by him.,2.一般过去时was/were+done,He made the kite. The kite was made by him.,3.一般将来时 shall/will /be going to+ be done,They will plant trees tomorrow. Trees will be planted by them tomorrow He is going to write a letter to his mother. A letter is going to be written

3、to his mother by him.,4.现在完成时has /have +been done,Jim has finished the work. The work has been finished by Jim.,5.含有情态动词的被动语态,can/may/must/should +be done,I can find him. He can be found by me.,被动语态的用法,1. 不知道动作的执行者是谁。,这块手表是中国制造的。 This watch is made in China.,2. 没有必要指出动作的执行者,每年都应该种更多的树。 Many trees sh

4、ould be planted every year.,3. 需要强调或突出动作的承受者。,世界上越来越多的人说汉语。 Chinese is spoken by more and more people in the world.,4. 句子的主语是动作的承受者。,许多房屋被冲走了。 Many houses were washed away by the flood.,变被动语态的特殊情况,一、双宾语,buy sb sth,=buy sth for sb,give sb sth,=give sth to sb,1.My father bought me a computer.,A comput

5、er 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 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

6、play basketball by us.,The boss made the children work for long.,The children were made to work for long by the boss.,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 to,eg. 1.We should speak to the old politely.,The old should be spoken to politely.,2. The nurse takes good care of th

7、e baby.,The baby is taken good care of by the nurse.,四、无被动语态的动词。,不及物动词及系动词,happen,take place,die,rise,come true,come out,eg.1. An accident (happen) just now.,happened,2. Im sure that my dream . (come true) some day in the future,will come true,常用的被动语态短语,be made of from into be used to do for doing a

8、s,由-制成的,看出原材料,看不出原材料,原材料制成成品,be filled with be covered with,eg. 1.Paper is made wood.,from,2.Tables are made wood.,3.Wood is made paper and tables.,of,into,被用来-,被用作,用-充满,被-覆盖,补充部分,1. look,sound,taste,smell等系动词用主动表被动意义。 例： It smells wonderful. Mooncakes taste delicious.,2. 在be worth doing中,doing表被动意义

9、。 例：This book is worth reading.,3. want/need/require+doing =want/need/require+to be done 例：My bike needs repairing. =My bike needs to be repaired. 我的自行车需要修理。,课堂练习 （一）改写句子 1. We plant trees in spring every year. _ by us in spring every year. 2. She posted the letter yesterday. _ by her yesterday. 3.

10、Mr Turner gave me a birthday present. _a birthday present by Mr Turner. 5. You may hand in your homework tomorrow. _ by you tomorrow. 6. She is going to write a letter. _ by her.,Trees are planted,The letter was posted,I was given,Your homework may be handed in,A letter is going to be written,Fill i

11、n the blanks using right forms:,1. All the students _(ask) to bring a kite with them last Sunday.,2. Are many ways _(try) to stop people from cutting down so many trees?,3. What are on show in the museum?,Some photos _(take) by American children.,5. Must the old people _(speak) to politely?,6. Im often _(警告）not to copy others homework.,7. He couldnt explain why dinosaurs _ (消失).,8. Ill have my bike _(修理) tom