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时间:2018-12-01
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1、动名词现在分词﹠你知道动名词和现在分词的基本形式吗?动词末尾加ing形式构成因此也称为动词的ing形式(V-ing)V-ing的用法规则不能单独作谓语(它属于非谓语的一种),没有人称和数的变化,可以有自己的宾语和状语,有时态和语态的变化。时态和语态(以do为例)类别形式及物动词及物动词不及物动词主动被动主动一般式doingbeingdonedoing完成式havingdonehavingbeendonehavingdone否定式:Not+v-ing一般式:是指该动作与谓语动词同时或之前之后发生或无明确先后
2、关系。Hearingthebadnews,hecouldn’thelpcrying.完成式:是指该动作发生在谓语动词之前。Havingfinishedherhomework,shewentoutforawalk.你知道一般式和完成式的区别吗?请说一说v-ing形式的用法作主语作表语作宾语作定语作宾补作状语1.作主语(吸烟)isabadhabit.(发送电子邮件)ismoreandmorepopularamongstudents.(学英语)needsalotofpractice.SmokingSending
3、e-mailsLearningEnglishIt’snouse(哭)overspiltmilkcrying动名词作主语时也可用it作形式主语记住这个句型:nouseItisdoingnogoodeg.It’snogoodwatchingtoomuchTV2.作表语Hisfavoritesportis他最爱的运动是游泳。Themusicis这音乐令人兴奋Hisjobis他的工作是照顾孩子swimmingexcitinglookingafterchildren3.作宾语Ienjoy我喜欢听音乐。Haveyou
4、finished你做完你的回家作业了吗?Ilookforwardto我期盼收到你的来信。listeningtomusicdoingyourhomeworkhearingfromyou记住只接v-ing的常见动词avoid避免enjoy喜欢mind介意practise练习suggest建议finish完成miss未赶上,错过can’thelp(doing)情不自禁做BeinterestedinBefondofGiveupPutoffLookforwardtoSucceedinBegoodatPrevent-
5、--from---介词后要用v-ingboilingwaterflyingkites4.作定语adancinggirltherisingsun(1)aswimmingman(2)aswimmingpool(2)awalkingstick(1)awalkingman=amanwhoiswalking=astickforwalkingWhat’sthedifferencebetween(1)and(2)?小结1v-ing形式作定语既可表示动作正在进行(如例(1)),此时相当于一个定语从句;又可表示所修饰名词的
6、性质或用途(如例(2))。arunningmanThemanrunninginthepictureisLiuXiang.attributeThemanwhoisrunninginthepictureisLiuXiang.相当于:Rewritethefollowingsentenceswithattributiveclauses.TheteacherteachingusEnglishisMr.Qi.=TheteacherwhoisteachingusEnglishisMr.Qi.单个的v-ing形式作定语,
7、放在所修饰的名词前面;v-ing短语作定语则放在所修饰的名词之后。小结25.作宾补1.Iheardthegirlsingingintheclassroom.2.Inoticedalongqueueoutsidethebankwaitingforittoopen.3.Thebabywatchedhisdadshavinghisfacewithgreatinterest.SeeHearWatchNoticeFeelsb./sth.doingFindKeepHaveGetV-ing形式作宾补常用于表感官和一些使
8、役动词后,表示动作正在发生记一记三让二看、注意听、发现感觉,错不了!6.作状语Hearingthecryforhelp,herushedout.Beingill,hewenthome.Seeingfromthehill,youcangetthewholetown.Whenheheardthecryforhelp,herushedout(时间)Becausehewasill,hewenthome(原因)Ifyouseefromt
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