牛津高中英语模块课件 21页

THEENVIRONMENT-ingformGrammarandusage2\n课题导入Hearingthegoodnews,wewereallexcited.(表示时间)Beinghonest,hewillnevercheathermotherforever.(表示原因)Functionasanadverb\n学习目标1.Toknowtheverb-ingcanexpressthetime,thereason,theresultandthecondition.2.Tohavetheopportunitytopractiseusingverb-ingphrases.\n预习指导用括号中动词的适当形式填空。1._____(know)thattherewasadogoutside,thelittleboydidn’topenthedoor.2.Thecouplewentshopping,________theireldestdaughteraloneathome.3.Time____(permit),Iwillmeetyouforlunch.\n探究一V-ing作状语1.作时间状语Hearingthebadnews,theycouldn’thelpcrying.=Whentheyheardthebadnews,theycouldn’thelpcrying.用doing形式：分词的动作与谓语动词的动作同时发生或谓语动词的动作紧接着分词发生。\nHavingreceivedhisletter,Idecidedtowriteback.=AfterIhadreceivedhisletter,Idecidedtowriteback.用havingdone形式：分词的动作发生在谓语动词之前。\n2.作原因状语Beingsoangry,hecouldn’tgotosleep.=Becausehewassoangry,hecouldn’tgotosleep.HavingbeentotheGreatWallmanytimes,hedidn’tgolastweek.=Because(As)hehadbeentotheGreatWallmanytimes,hedidn’tgolastweek.\n3.作结果状语Thecouplewentshopping,leavingtheireldestdaughteraloneathome.=Thecouplewentshopping.Asaresult,theylefttheireldestdaughteraloneathome.Thefactorykeepsgivingoffsmoke,makingtheairdirty.=Thefactorykeepsgivingoffsmoke.Asaresult,theairismadedirty.\n4.作条件状语Workinghard,youwillsucceed.=Ifyouworkhard,youwillsucceed.Beinggivenmoreattention,thetreescouldhavegrownbetter.=Iftheyhadbeengivenmoreattention,thetreescouldhavegrownbetter.\n5.作让步状语常与evenif,though连用。如：Thoughworkingfrommorningtillnight,hisfatherdidn’tgetenoughfood.=Althoughhisfatherworkedfrommorningtillnight,hedidn’tgetenoughfood.\n6.作伴随状语Theycameintotheclassroom,singingandlaughing.=Theysangandlaughed.Theycameintotheclassroom.\n探究二动词-ing形式在句中作状语时，其逻辑主语与主句的主语保持一致。Ifplayingallday,youwillwasteyourvaluabletime.=Ifyouplayallday,youwillwasteyourvaluabletime.Thoughrainingheavily,itclearedupverysoon.=Thoughitwasrainingheavily,itclearedupverysoon.\n探究三现在分词的否定式not+verb-ingNotknowinghowtodyethesilkred,hewenttoherforhelp.Nothavingheardfromhersonforalongtime,themotherworriedagreatdeal.\n课堂小结:现在分词可作时间状语，原因状语、结果状语、条件状语，让步状语和伴随状语。动词-ing形式在句中作状语时，其逻辑主语与主句的主语保持一致。V-ing形式的否定not要置于V-ing之前。\n高考链接1.Weallfoundhisargumentconvincingandinteresting.(P28)[考点]V-ing形式作宾语补足语。[考例]Acookwillbeimmediatelyfiredifheisfound_____inthekitchen.（NMET2003）smokeB.smokingC.tosmokeD.smoked.\n[点拨]选B。he和smoke是逻辑上的主谓关系，所以用V-ing形式。该句中的“heisfound”是被动语态，还原成主动语态应该是“findhimsmoking”。\n[考例]Whilewatchingtelevision,_____.（2005全国卷II）A．thedoorbellrangB．thedoorbellringsC．weheardthedoorbellringD．weheardthedoorbellrings\n[点拨]选C。由前面分词结构Whilewatchingtelevision可以看出：watchingtelevision是由人发出的动作，其主语应当是和主句的逻辑主语一致的，所以主句的主语应该是人。\n[考例]_____theprogramme,theyhavetostaythereforanothertwoweeks.（广东2004）NotcompletingB.NotcompletedC.NothavingcompletedD.Havingnotcompleted\n[点拨]选C。该句主语是they，和complete是逻辑上的主谓关系，所以用V-ing形式表示主动。completetheprogramme这个动作发生在havetostaythere...动作之前，故用完成时态。\n布置作业完成报纸语法部分