Unit 8 What are the shirts made of Section A--被动语态

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1、Unit8Whataretheshirtmadeof?SectionA--被动语态被动语态的基本构成：be+动词的过去分词（be+done)1.一般现在时的被动语态am/is/are+doneWecleantheclassroomeveryday.Theclassroomiscleanedbyuseveryday.Heputonacoat.Acoatwasputonbyhim.2.一般过去时的被动语态was/were+doneHemadethekite.Thekitewasmadebyhim.3.一般将来时的被动语态shall/will/begoingto+bedoneTheywillpla

2、nttreestomorrow.Treeswillbeplantedbythemtomorrow.Heisgoingtowritealettertohismother.Aletterisgoingtobewrittentohismotherbyhim.4.现在完成时的被动语态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.不知道动作的执行者是谁。这块手表是中

3、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.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，

4、可以用主动语态表被动意义。Thiskindofshirtsellswell.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）改写句子1.Wepl

5、anttreesinspringeveryyear._________________byusinspringeveryyear.2.Shepostedtheletteryesterday.____________________byheryesterday.3.Mr.Turnergavemeabirthdaypresent.____________abirthdaypresentbyMr.Turner.TreesareplantedTheletterwaspostedIwasgiven5.Youmayhandinyourhomeworktomorrow.___________________

6、___________byyoutomorrow.6.Sheisgoingtowritealetter.__________________________byher.YourhomeworkmaybehandedinAletterisgoingtobewritten（二）单项选择1.Ifcitynoises____fromincreasing,people____shouttobeheardevenatdinner.A.arenotkept;willhaveto B.arenotkept;have    C.donotkeep;willhaveto    D.donotkeep;hav

7、eto   2.Thefifthgenerationcomputers,____andperfectednow.A.developedB.havedevelopedC.arebeingdevelopedD.willhavebeendevelopedAC3.--____thesportsmeetmightbeputoff.--Yes,italldependsontheweather.A.I’v