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1、Unit4ThePresentParticipleasAdverbial（现在分词做状语）Ⅰ.RevisionofIng’sfunction:1.Thesleepingboyisdisturbed.2.Isawtheboycheatingintheexam.3.Seeingisbelieving.4.Myjobisteaching.5.Theyfocusonkeepingtheirsoilrichandfreeofdisease.AttributeObjectivecomplementSubjectPredicativeObjectⅡ.课文中出现的Ing句子
2、，分析其所做的成分。IsawseveralyoungpeopleenterthewaitingarealookingaroundcuriouslyIstoodforaminutewatchingthemandwenttogreetthem.3.Shesteppedbackappearingsurprised…4.ThenAkiraNagatafromJapancameinsmiling,togetherwith…5.WhenDarleneCoulonfromFrancecamedashingthroughthedoor.状语描述动词=副词1.Assoonas
3、theyheardthebell,they rushedoutoftheroom.=Hearingthebell, theyrushedoutof….2.Ashewasrathersleepy,hedidn’thearthebell.Beingrathersleepy,hedidn’t hearthebell.was-be-being3.Ashedidn’thearthebell,hedidn’t rushedoutoftheclassroom.Nothearingthebell,hedidn’t rushedoutoftheclassroom.动词的-in
4、g形式可以作状语,否定式：Not+doing/beingⅢ.ThePresentParticipleasAdverbial1)表方式、伴随情况地状语：Theywentintotheclassroomlaughingandtalking.(theywentintotheclassroom,andlaughedandtalked.)Hesatonthesofa,watchingTV.(=Hesatonthesofa,andwatchedTV.)与谓语所表示的动作（或状态）同时发生，或是对谓语表示的动词（或状态）作进一步地补充说明。Walkinginthestre
5、et,Icameacrossanoldfriendofmine.(=WhenIwaswalkinginthestreet,Icameacrossanoldfriendofmine.)Havingfinishedhishomework,hebegantoplaycomputergames.(=Afterhehadfinishedhishomework,hebegantoplaycomputergames.)2）表时间状语3)表原因状语Beingill,hedidn’tgotoschool.(=Because/Ashewasill,hedidn’tgotosch
6、ool.)Beingastudent,youshouldstudyhard.(=Sinceyouareastudent,youshouldstudyhard.)4)表条件Workinghard,youwilldowellintheexam.Ifyouworkhard,youwilldowellintheexam.5)表结果Unfortunatelythefatherdied,leavingthefamilyevenworseoff.Unfortunatelythefatherdiedandleftthefamilyevenworseoff.注意：现在分词与不
7、定式都可作结果状语，试比较：Theircarwascaughtinatraffic,causingthedelay.Hehurriedtothepostofficeonlytofinditwasclosed.现在分词作结果状语，表示自然结果，不定式作状语，表示出乎意料的结果。试判断下列状语:1.Tomlefthomequiteearly,hopinghecouldcatchthefirstbus....,andhoped…2.Notknowingwhattodo,weaskedMr.Smithforsomeadvice.Becausewedidn’tknow
8、…3.Arrivingatthestation,he
