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1、动词的-ing形式-ing形式有两个名称,动名词和现在分词。但都可以有自己的宾语1.-ing形式作主语(此时是动名词)1).放在句首,谓语动词用三单;Talkingiseasierthandoing。说比做容易。2)用it作形式主语,-ing形式放在句末(避免头重脚轻)。常用的结构有:Itis+nogood/use/harm;fun/greathelp/use;worth;apleasure;awasteoftime…+doing…Itisnousecryingoversplitmilk.覆水难收Itisnog
2、oodleavingtoday'sworkfortomorrow.Itisawasteoftimediscussingsuchmatterswithhim.3).-ing形式(动名词)与不定式作主语之区别:-ing作主语通常表示一种抽象的动作,即泛指某种行为或动作;不定式作主语通常表示具体动作。Eatingtoomuchisbadforyourhealth.Tobeinvitedtothepartyisanhonorforme.2.-ing形式作宾语(此时-ing是动名词)1)有些动词后只接-ing形式作宾语;如
3、:finish,practice,enjoy,keep,advise,miss,avoid,mind,stand忍受,allow允许,consider,dislike,imagine等Youshouldn’tkeepthinkingaboutit.你不应老想着这事。Wouldyoumindgoingwithher?你可否同她一起去?2)有些动词短语后面只接-ing形式作宾语(此时-ing是动名词)giveup;feellike;keepon;beworth;lookforwardto;be/getusedto;d
4、reamof/about;begoodat;spend...in;can’tstand忍不住;succeedin,can’thelp等。Doyoufeellikegoingoutfordinnerwithmetonight?I amusedtogoingtobedlateandgettinguplate.WearelookingforwardtocomingtoChina.我们期待着来中国。Wesucceededingettingoverallthedifficulties.我们终于克服了所有的困难。◆记住如下惯
5、用法:1.havefun(+in)+doingsth,2.havedifficulty/problems/trouble/ahardtime(in)doingsth.,3.bebusydoingsth;4.beworthdoing5.what/howaboutdoingsth.6.beusedtodoingsth.7.spend…(in)doingsth.8.will/wouldyoumindmy/medoingsth.9.preferdoingsthtodoingsth.Thechildrenarebusydo
6、ingtheirhomework.。孩子们忙于做作业。3.-ing在want,need,beworth等动词后作宾语时,表示被动意义。Myshoesneedmending.=Myshoesneedtobemended.Yourhairwantscutting.=Yourhairwantstobecut.4.-ing形式的复合结构:Doyoumindmy/mecominglateforthemeeting?(T)DoyoumindJim’s/Jimcominglateforthemeeting?(T)Mary’sb
7、einglateforclassmadeherteacherangry.(T)Marybeinglateforclassmadeherteacherangry.(F)5.-ing形式作宾补(此时-ing是现在分词)1)感官动词如:一感feel,二听listento,hear;五看lookat,see,watch,notice,observe;还有smell,find等用在以上动词宾语的后面,表示宾语正在进行的动作。IwasabouttogotobedwhenIheardsomeoneknockingatthedo
8、or.Ifeltsomeonepittingmeontheshoulder.-ing和不定式作宾补的区别:-ing表示动作正在进行,不定式表示(或强调)动作的全过程或已结束。Weheardthetelephonering.Weheardthetelephoneringing.2)使役动词,如keep,leave,后接-ing形式作宾补,表示宾语正在做或一直做某事。Them