教育专题：初中英语语法-被动语态.ppt

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1、中考语法精讲被动语态 被动语态的基本构成：被动语态的基本构成：be+be+动词的过去分词动词的过去分词（be+done)be+done)The passive voice.被动语态被动语态主动语态变被动语态的结构图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1.一般现在时一般现在时am/is/are+done We clean the classroom every day.The clas

2、sroom is cleaned by us every day.He put on a coat.A coat was put on by him.2.一般过去时一般过去时was/were+doneHe made the kite.The kite was made by him.3.一般将来时一般将来时 shall/will/be going to+be done They will plant trees tomorrow.Trees will be planted by them tomorrowHe is going to write a letter to his mother.A

3、 letter is going to be written to his mother by him.4.现在完成时现在完成时has/have+been doneJim has finished the work.The work has been finished by Jim.5.含有情态动词的被动语态含有情态动词的被动语态can/may/must/should+be doneI can find him.He can be found by me.被动语态的用法被动语态的用法1.不知道动作的执行者是谁。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

4、in China.2.没有必要指出动作的执行者没有必要指出动作的执行者每年都应该种更多的树。Many trees should be planted every year.3.需要强调或突出动作的承受者。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。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句子的主语是动作的承受者。许多房屋被冲走了。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变被动语态的

5、特殊情况一、双宾语一、双宾语buy sb sth=buy 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 him二、无二、无toto不定式不定式一感一感 二听二听三让三让 四看四看feellisten to.h

6、earlet.have.makewatch.see.look at.notice变为被动时加上变为被动时加上toeg.We often see him play basketball.He is often seen to play basketball by us.The boss made the children work for long.The children were made to workwere made to work for long by the boss.三、注意动词短语的三、注意动词短语的常考到的动词短语有常考到的动词短语有完整性完整性take care oflo

7、ok afterlisten tospeak toeg.1.We should speak to the old politely.The old should be spoken tobe spoken to politely.2.The nurse takes good care of the baby.The baby is taken good care ofis taken good care of by the nurse.四、无被动语态的动词。四、无被动语态的动词。不及物动词及系动词不及物动词及系动词happentake placedierisecome truecome out

8、eg.1.An accident (happen)just now.happened 2.Im sure that my dream .(come true)some day in the futurewill come true常用的被动语态短语常用的被动语态短语be made of from intobe used to do for doing as由由-制成的制成的看出原材料看出原材料看不出原材料看不出原材料原材料制成成品原材料制成成品be filled withbe covered witheg.1.Paper is made wood.from 2.Tables are made

9、wood.3.Wood is made paper and tables.ofinto被用来-被用作被用作用-充满被-覆盖补充部分补充部分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。例：This book is worth reading.3.want/need/require+doing=want/need/require+to be done 例：My bike needs repairing.=My bi

10、ke needs to be repaired.我的自行车需要修理。课堂练习课堂练习（一）改写句子（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.Mr Turner gave me a birthday present._a birthday present by Mr Turner.5.You may hand in your homework tomorrow._ by you to

11、morrow.6.She is going to write a letter._ by her.Trees are plantedThe letter was postedI was givenYour homework may be handed inA letter is going to be written Fill in 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 fro

12、m 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）警告）not to copy others homework.7.He couldnt explain why dinosaurs _(消失消失).8.Ill have my bike _(修理修理)tomorrow.9.Have you found your necklace _(偷偷)last week?10.The PRC was _(成立成立)on October 1,1949.were asked triedtakenbe spokenwarneddisappearedmendedrepairedstolenfounded