Unit 5 What are the sUnit 5 What are the shirts made of--被动语态.hirts made of--被动语态

Unit 5 What are the sUnit 5 What are the shirts made of--被动语态.hirts made of--被动语态

ID:36569924

大小:1.74 MB

页数:16页

时间:2019-05-09

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1、被动语态被动语态的基本构成:be+动词的过去分词(be+done)1.一般现在时am/is/are+doneWecleantheclassroomeveryday.Theclassroomiscleanedbyuseveryday.Heputonacoat.Acoatwasputonbyhim.2.一般过去时was/were+doneHemadethekite.Thekitewasmadebyhim.3.一般将来时shall/will/begoingto+bedoneTheywillplanttreestomorrow.

2、Treeswillbeplantedbythemtomorrow.Heisgoingtowritealettertohismother.Aletterisgoingtobewrittentohismotherbyhim.4.现在完成时has/have+beendoneJimhasfinishedthework.TheworkhasbeenfinishedbyJim.5.含有情态动词的被动语态can/may/must/should+bedoneIcanfindhim.Hecanbefoundbyme.被动语态的用法1.不知

3、道动作的执行者是谁。这块手表是中国制造的。ThiswatchismadeinChina.2.没有必要指出动作的执行者每年都应该种更多的树。Manytreesshouldbeplantedeveryyear.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。Chineseisspokenbymoreandmorepeopleintheworld.4.句子的主语是动作的承受者。许多房屋被冲走了。Manyhouseswerewashedawaybytheflood.主动语态变被动语态的方法(主语)(宾语)主动语态:动作

4、的执行者+谓语动词的主动形式+动作的承受者被动语态:动作的承受者+谓语动词的被动形式+动作的执行者(主语)(宾语)说明:(1)要将主动句里的宾语变为被动句中的主语,若主动句中的宾语为人称代词,要将宾格变成主格。(2)把主动句中的主语变为被动句中的宾语,主格变宾格,并由by引导。(3)谓语动词变成相应的被动形式。补充部分1.主动结构表被动意义open,lock,write,read,sell,wash,cut,burn,drive等词作不及物动词时,它们的主语为物,可以用主动语态表被动意义。Thiskindofshirt

5、sellswell.2.look,sound,taste,smell等系动词用主动表被动意义。例:Itsmellswonderful.Mooncakestastedelicious.3.在beworthdoing中,doing表被动意义。例:Thisbookisworthreading.4.want/need/require+doing=want/need/require+tobedone例:Mybikeneedsrepairing.=Mybikeneedstoberepaired.我的自行车需要修理。课堂练习(一)改写

6、句子1.Weplanttreesinspringeveryyear._________________byusinspringeveryyear.2.Shepostedtheletteryesterday.____________________byheryesterday.3.MrTurnergavemeabirthdaypresent._______________abirthdaypresentbyMr.Turner.5.Youmayhandinyourhomeworktomorrow.______________

7、________________byyoutomorrow.6.Sheisgoingtowritealetter.__________________________byher.TreesareplantedTheletterwaspostedIwasgivenYourhomeworkmaybehandedinAletterisgoingtobewritten1.Ifcitynoises____fromincreasing,people____shouttobeheardevenatdinner.A.arenotkept

8、;willhaveto   B.arenotkept;have     C.donotkeep;willhaveto     D.donotkeep;haveto    2.Thefifthgenerationcomputers,____andperfectednow.  A.developedB.havedevel

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