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TheVerb–ingformasSubjectandObjectUnit2GrammarFillintheblankswiththegivenwords.1Sincethen，________(find)waystogrowmorericehasbeenhislifegoal.2DrYuansearchedforawaytoincreasericeharvestswithout__________(expand)theareaofthefields.Conclusion1：动名词是一种非谓语动词，在句中作主语、宾语。expandingfindingsubjectobject动名词作主语Translatethefollowingsentences.学英语是有用的。LearningEnglishisuseful.It’susefullearningEnglish.与他争论是没有用的。It’snousearguingwithhim.Conclusion2:动名词作主语时，可位于句首，也可以用形式主语it,而将动名词后置。It’snouse/nogooddoingsth.Experience:Itisnogood____afteryouhavebrokenthewindows.A.cryingB.tocryC.criesD.criedA动名词用作宾语我们考虑为学校配备新电脑。Weconsiderequippingtheschoolwithnewcomputers.Conclusion3:只能后接动名词作宾语的动词,常见的有consider,can’tstand,can’tunderstand，imagine,mind,suggestappreciate,avoid,enjoy,escape,finish,keep,practise只能后接动名词作宾语的短语,常见的有getdownto,giveup,lookforwardtohavedifficulty/trouble/fun(in)doingsth.Experience:1.Ican’tstand____withJaneinthesameoffice.Shejustrefuses_____talkingwhilesheworks.(2006北京)A.working;stoppingB.towork;stoppingC.working;tostopD.towork;tostop2.Billsuggested______ameetingforthenewteachingbuilding.A.havingheldB.toholdC.holdingD.holdCC这张课桌需要修理。Thedeskneedsrepairing.=Thedeskneedstoberepaired.Conclusion4:表“需要”时sth.need/want/require+doing=sth.need/want/requiretobedoneExperience:1.Yourhouseistooold.It________.A.requirerebuildingB.requirestorebuildC.requiresrebuiltD.requirestoberebuilt2.Theoldladyneeds____.A.lookafterB.tolookafterC.lookingafterD.beinglookedafterDC我们不许在这游泳。Wedon’tallowswimminghere.我们不许儿童在这游泳。Wedon’tallowchildrentoswimhere.Conclusion5:allow/permit/advise/forbiddoingallow/permit/advise/forbidsb.todoExperience:Nobodyispermitted_______neartheriver.A.playingB.playC.toplayD.playsCAssheislookingforwardto____fromme.Pleaseremember_____thisletteronyourwaytoschool.A.hearing,postingB.hear,postingC.hearing,topostD.hear,postingConclusion6:有些动词后,后接动名词与不定式作宾语意义不同。rememberdoingremembertodoforgetdoingforgettodoregretdoingregrettodoC记得做过某事记得要去做某事忘记做过某事忘记要去做某事后悔做过某事遗憾要做某事stopdoingstoptodotrydoingtrytodomeandoingmeantodogoondoinggoontodo停止做某事停下来(别的事)开始做某事试着做某事努力做某事意味着做某事打算做某事继续做用来的事接着做另一件事beusedtodoingbeusedtodocan’thelpdoingcan’thelptodo习惯于做某事被用来做某事情不自禁做某事不能帮助做某事Experience:帮助别人就意味着帮助你自己。Helpingothersmeanshelpingyourself.你介意我打开窗户吗？Doyoumindmy/meopeningthewindow?Conclusion7:动名词的复合结构形容词性物主代词/宾格人称代词/名词/名词所有格+doingExperience:Wecan’timagine____intheentranceexamination,forshehasneverbeentoschool.A.shesucceedingB.Mary’ssucceedingC.MarysucceedD.hertosucceedBExperience:_____knowingwhattodomakeshisparentsworried.A.Don’tB.Doesn’tC.NoD.NotConclusion8:动名词的否定形式not+doingDNooneenjoys_______at.A.laughingB.tolaughC.beinglaughedD.tobelaughed.Conclusion9:动名词的主动与被动形式：主动形式：doing被动形式：beingdoneCExperience:Thethieftookawaythewoman’swalletwithout____________(see).beingseen主动被动动名词一般式动名词完成式doingbeingdonehavingdonehavingbeendoneExercises:Choosethebestanswer1.Asaresultoftheseriousflood,two-thirdsofthebuildingsinthearea.(07陕西)A.needrepairingB.needstorepairC.needsrepairingD.needtorepair2.Ihadgreatdifficultythesuitablefoodonthemenuinthatrestaurant.(10上海)A.findB.foundC.tofindD.finding3.IstillremembertotheFamenTemple（法门寺）andwhatIsawthere.(2009陕西)A.totakeB.tobetakenC.takingD.beingtaken4.Ireallycan'tunderstand______herlikethat.(05安徽)A.youtreatB.youtotreatC.whytreatD.youtreatingADDD7.Theparentssuggested___inthehotelroombuttheirkidswereanxioustocampoutduringthetrip.(06上海)A.sleepB.tosleepC.sleepingD.havingslept8.—CanIsmokehere?—Sorry.Wedon’tallow______here.(07江苏卷)A.peoplesmokingB.peoplesmokeC.tosmokeD.smoking9.Wecan’timagine____intheentranceexamination,forshehasneverbeentoschool.A.shesucceedingB.Mary’ssucceedingC.MarysucceedD.hertosucceed10.—Robertisindeedawiseman.—Oh,yes.HowoftenIhaveregretted______hisadvice!(2007安徽卷)A.totakeB.takingC.nottotakeD.nottakingCDBD1.Summarizethegrammarrules2.2.Finishtheexercisesinyourpaper.Homework