公开课现在分词做状语.ppt

（一）（一）pseeinghismother，thebabyburstintolaughter.pBeingpoor,hecouldntaffordaTVset.pWalkinginthebeach,Ipickedupsomecolorfulseashells.A.观察下列句子观察下列句子,找出分词动作的发出者。找出分词动作的发出者。-WhenhesawhismotherBecausehewaspoorWhenIwaswalkinginthebeach讨论：讨论：什么情况下才能用现在分词做什么情况下才能用现在分词做状语？状语？pseeinghismother，thebabyburstintolaughter.pBeingpoor,hecouldntaffordaTVset.pWalkinginthebeach,Ipickedupsomecolorfulseashells.A.观察下列句子观察下列句子,找出分词动作的发出者。找出分词动作的发出者。-WhenhesawhismotherBecausehewaspoorWhenIwaswalkinginthebeachWhat is the similarities of these sentences?现在分词作状语现在分词作状语e.g.Seeingthosepictures,sherememberedherchildhood.Whenshesawthosepictures,sherememberedherchildhood.1.从句主语和主句从句主语和主句主语一致主语一致2.句子的主语是分句子的主语是分词动作的发出者词动作的发出者你知道哪些状语从你知道哪些状语从句？句？时间、原因、结果、条件、时间、原因、结果、条件、让步、方式或伴随让步、方式或伴随现在分词作状语相当于状语从句现在分词作状语相当于状语从句pHoldingthenoteinhishand,hestoodtherequietly.方式方式pTheoldmandied,leavingnothingbutdebts.结果结果p Beingill,shedidntgotoschooltoday.原因原因B 辨别句子中分词所表示的状语从句类型辨别句子中分词所表示的状语从句类型pWhenleavingtheairport,theywavedagainandagain.时间时间pStayinghereforsometime,youllfindthepeopleherearefriendly.条件条件pWhilereadingthebook,henoddedfromtimetotime.时间时间注意：注意：现在分词短语作时间状语，所表现在分词短语作时间状语，所表示的动作与主句的动作示的动作与主句的动作同时发生同时发生，有时，有时可由连词可由连词when,while引出。引出。Working harder at English,you will make greater progress.1.If you work harder at English,youwillmakegreaterprogress.*现在分词短语作条件状语现在分词短语作条件状语*现在分词动作的发出者是现在分词动作的发出者是(you)C.把状语从句改写成分词短语并说明其功能把状语从句改写成分词短语并说明其功能 2.Because he was ill,hecouldntgotoschool.Being ill,he couldnt go to school.*现在分词短语作原因状语现在分词短语作原因状语*现在分词动作的发出者是现在分词动作的发出者是(he)3.When they saw their teacher,thestudentsstoodup.Seeing their teacher,the students stood up.*现在分词短语作现在分词短语作()状语状语*现在分词动作的发出者是现在分词动作的发出者是()时间时间 the students4.Although they felt very tired，theykeptrunning.Feeling very tired,they kept running.*现在分词短语作让步状语现在分词短语作让步状语*现在分词动作的发出者是现在分词动作的发出者是(they)5.Thechildrencameintotheclassroom,and they laughed and talked.The children came into the classroom,laughing and talking.*现在分词短语作伴随或方式状语现在分词短语作伴随或方式状语*现在分词动作的发出者是现在分词动作的发出者是(the children)1._atmyclassmatesfaces,Ireadthesameexcitementintheireyes.A.LookingB.LookC.TolookD.LookedD.Choose the best answer.2.“Cantyouread?”Marysaid_tothenotice.A.angrilypointingB.andpointangrilyC.angrilypointedD.andangrilypointing3.Whilebuildingatunnelthroughthemountain,_.A.anundergroundlakewasdiscoveredB.therewasanundergroundlakediscoveredC.alakewasdiscoveredundergroundD.theworkersdiscoveredanundergroundlake4.When_differentcultures,weoftenpayattentiononlytothedifferenceswithoutnoticingthemanysimilarities.A.beingcomparedB.comparingC.havingcomparedD.compared 5.ThevisitingMinisterexpressedhissatisfactionwiththetacks,thathehadenjoyedhisstayhere.A.havingaddedB.toaddC.addingD.addedConclusionb.现在分词作状语含有现在分词作状语含有 _和和 _意义。意义。现在分词作状语代替状语从句现在分词作状语代替状语从句:a.（从句的主语）和（从句的主语）和 （主句的主语）必须一致（主句的主语）必须一致主动主动进行进行HomeworkFinish the exercise on P37 金榜学案金榜学案现在分词的时态和语态现在分词的时态和语态主动形式主动形式被动形式被动形式一一般般式式完完成成式式doingbeing donehaving donehaving been doneComparethefollowingsentences pTurningaround,shesawanambulancedrivingup.pWalkinginthestreet,Icaughtsightofatailorshop.pHavingfinishedtheclass,shewenthome.pHavingworkedamongthepeasantsformanyyears,heknewthemverywell.doing？having done？e.g.pTurningaround,shesawanambulancedrivingup.pWalkinginthestreet,Icaughtsightofatailorshop.当分词的动作是由主语发出，而且和当分词的动作是由主语发出，而且和谓语动词谓语动词同时发生同时发生，则用分词的一般形，则用分词的一般形式式2.现在分词何时用完成形式？现在分词何时用完成形式？当分词的动作是由主语发出，而且当分词的动作是由主语发出，而且发生在谓语动作发生在谓语动作之前之前，则用分词的，则用分词的完成形式完成形式Havingfinishedtheclass,shewenthome.=Aftershefinishedtheclass1、WhenIheardthenoise,Iturnedround.=_,Iturnedround.2、Becauseheknowstheanswer,hefinishestheexercisequickly.=_,hefinishestheexercisequickly.练一练练一练 When they left the airport,they waved again and again.When leaving the airport,they waved again and again.Havingworkedamongthepeasantsformanyyears,heknewthemverywell.=Ashehadworked