人教版高中英语必修二第三单元Grammar课件.ppt

1、Unit 3The Present Perfect Passive VoiceLearning about passive voicean overview Tense or ModelPassive SentenceSimple PresentThe TOEFL exam is given every six months.Simple pastThe TOEFL exam was given last month.Simple FutureThe TOEFL exam will be given every year.Tense orModelPassive SentencePresent

2、 ContinuousThe TOEFL exam is being given every year.Present perfectThe TOEFL exam has been given every year since 1950.Past perfectThe TOEFL exam had been given before the Vietnam War occurred.现在完成时的被动语态表示动作发生在过现在完成时的被动语态表示动作发生在过去去,到现在已经完成或对现在仍有影响。到现在已经完成或对现在仍有影响。现在完成时的被动语态现在完成时的被动语态Understanding th

3、e structure of the present perfect passive voiceThe structure of the present perfect passive voice is:have/has beened注意注意:1.副词的位置副词的位置 often,usually,always,never,hardly,seldom等副词置于等副词置于have/has和和been中间。中间。如如:误误 Such a man has been hardly believed.正正 Such a man has hardly been believed.人教版高中英语必修二第三单元

4、-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）2.并不是所有动词都有被动语态并不是所有动词都有被动语态 1)happen,take place,break out,belong to,cost,last等不及物动词或词组无被等不及物动词或词组无被动语态。如：动语态。如：误误 Great changes have been taken place in China since 1978.正正 Great changes have taken place in China since 1978.人教版高中英语必修二第三单元-Grammar（共29张

5、PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）2)open,break,drop等不强调动作发出者等不强调动作发出者时常用主动语态。时常用主动语态。3.短语动词不可分割或省略其中的介词或短语动词不可分割或省略其中的介词或副词。如：副词。如：The patients have been taken good care of.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）4.一些特殊动词一些特殊动词,如如borrow,finish,begin,buy,start,return,marry,open

6、,join等构等构成的现在完成时的被动语态不能与表示成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的一段时间的状语连用。若要表达相应的意思，意思，则需改换动词或时态。如：则需改换动词或时态。如：人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）My brother has had(不能用不能用has bought)this bike for almost four years.How long has this book been bought?How long ago was this book b

7、ought?人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）(1)把主动语态的宾语变为被动语态的主把主动语态的宾语变为被动语态的主语。语。(2)把谓语变成被动结构把谓语变成被动结构(be过去分词过去分词)(根据被动语态句子里的主语的人称和根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的数，以及原来主动语态句子中动词的时态来决定时态来决定be的形式的形式)。主动语态变被动语态的方法主动语态变被动语态的方法人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Gramm

8、ar（共29张PPT）(3)把主动语态中的主语放在介词把主动语态中的主语放在介词by之之后作宾语后作宾语,将主格改为宾格。例如：将主格改为宾格。例如：All the people laughed at him.He was laughed at by all people.They make the bikes in the factory.The bikes are made by them in the factory.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）(4)双宾语动词变被动语态可将其中的一双宾语动词

9、变被动语态可将其中的一个宾语变为主语，个宾语变为主语，另一个保留不动。另一个保留不动。主动：主动：I have given him the key.被动：被动：He has been given the key.被动：被动：The key has been given(to)him.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）Practice Turn the following into the Passive Voice.1.We have planted some trees around the lake.

10、Some trees have been planted around the lake.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）2.My father has locked the door.The door has been locked.3.Someone has turned off the light.The light has been turned off.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）4.We will

11、 hold the Olympic Games in Beijing in the year 2008.The Olympic Games will be held in Beijing in the year 2008.5.They have rebuilt the bridge.The bridge has been rebuilt.人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）试分析：试分析：1)误误 Many new buildings been built since 2000 正正 Many new bu

12、ildings have been built since 2000 析析 谓语部分结构不全谓语部分结构不全,时态部时态部 分不完整。分不完整。2)误误 Something bad has been happened to him 析析 被动语态误用。被动语态误用。happen为不及为不及 物动词，不及物动词没有被动物动词，不及物动词没有被动 语态。语态。正正 Something bad has happened to him.正正 The door has opened of itself 析析 有些动词如有些动词如open,break,drop 等既可作及物动词，又可作不及物动等既可作及物

13、动词，又可作不及物动词，若不强调谁是动作发出者，我们词，若不强调谁是动作发出者，我们通常用主动语态。通常用主动语态。of itself意思是意思是“自自动地动地”。因此。因此,此句不可用被动语态。此句不可用被动语态。3)误误 The door has been opened of itself 4)误误 I have introduced to Mr Li 析析 introduce为及物动词为及物动词,I 是是introduce的承受者。的承受者。正正 I have been introduced to Mr Li(by Mr Wang)1.When and where to go for t

14、he on-salary holiday _ yet.A.are not decided B.have not been decided C.is not being decided D.has not been decidedPractice 2.Every possible means _ to prevent the air pollution,but the sky is still not clear.A.is used B.are used C.has been used D.have been used 3.All the preparations for the task _

15、and were ready to start.A.completed B.complete C.had been completed D.have been completed 4.Some new oilfields _ since 1976.A.were opened up B.has opened up C.have been opened up D.had been opened up 5.The silence of the library _ only by the sound of pages being turned over.A.has been broken B.brea

16、ks C.broke D.was broken 6._ the sports meet might be put off.Yes,it all depends on the weather.A.Ive been told B.Ive told C.Im told D.I told Put the Chinese into English to complete the sentences.1.You can see the house _ _(未油漆未油漆)for years.2.How many workers _ (已派遣已派遣)to build the railway?has not b

17、eenpaintedhave been sent人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）3.Why does Mary look so unhappy?She _(被嘲被嘲 笑笑)by her classmates.4.It is said that the house _ _(闯进了闯进了)by two thieves.has been laughed atbroken intohas been人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张

18、PPT）5._ his views _(受受 到批判到批判)by them?6.The two pens _ _(未被拿走未被拿走)by him.7.Where _ the television _ _(已经修理了已经修理了)?Havebeen criticizedhave not beentaken awayhasbeen repaired人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）8.The price of a color TV set _ _(降价了降价了)again.9.What _(已被已被 译成译成)into many foreign languages?been brought downhas has been translated人教版高中英语必修二第三单元-Grammar（共29张PPT）人教版高中英语必修二第三单元-Grammar（共29张PPT）