过去分词不定式动词的-ing形式非谓语动词Smokingmaycausecancer.Hetriedtoavoidansweringtheirquestions.Oneofherdutiesistypingletters.Themansittingnexttoyouisourheadmaster.Beingangry,hecan’tsayaword.Isawhimrunningdownthestreet.主动形式被动形式一般式(not）V-ing(not)being+V-ed完成式(not)havingV-ed(not)havingbeenV-edv-ing形式v-ing形式的作用v-ing形式在句子中可作主语、宾语、表语、定语、状语和宾补。V-ing形式动名词现在分词1.作主语（动名词）e.g.Findingworkisdifficultthesesdays.Itwasawasteoftimereadingthatbook.It’snouse/goodworryingaboutit.2.作宾语（动名词）e.g.Wouldyoumindwaitingafewminutes？TheyarelookingforwardtoMary’scoming.英语中有些动词或动词短语的后面只能跟上动名词。如admit,appreciate,avoid,consider,giveup,enjoy,regret,insiston,practise,finish,putoff,avoid,mind,escape,excuse,stand(忍受),imagine,miss,,risk,suggest,can’thelp(禁不住),setabout,后只接动名词做宾语的一些常用特殊动词特殊动词接“动名”，使用它们要记清，“放弃”“享受”可“后悔”，“坚持”“练习”必“完成”，“延期”“避免”非“介意”动名介宾不能忘掌握它们你必明。英语中有些动词可以接动名词也可以接不定式,但含义不同.remembergoontododoingtododoingtodo(遗憾要做某事)doing(后悔做了某事)forgettrytodo(设法…)doing(尝试着做…)regretmeantodo(继续做另外一件事)doing(继续做同一件事)stoptodo(停下手中的事去做另外一件)doing(停止做正在做的事情)tododoing1.---WhatdoyouthinkmadeMarysoupset?---___hernewbicycle.A.AsshelostB.LostC.LosingD.Becauseoflosing2.Shecan’thelp____thehousebecauseshe’sbusymakingacake.(97上海12)A.tocleanB.cleaningC.cleanedD.beingcleaned3.Whileshopping,peoplesometimecan’thelp____intobuyingsomethingtheydon’treallyneed.(96上海14)A.topursueB.persuadingC.beingpersuadedD.bepersuaded3.作表语（动名词,现在分词）e.g.Oneofherhobbiesisgrowingflowers.Thespeedofthehorseswasamazing.4.作定语（动名词,现在分词）e.g.Therearenoswimmingpoolsinourschool.Doyouknowthethreechildrenwalkingtowardsus?1.v-ing作定语时，单个的v-ing形式放在所修饰的名词前；若是v-ing短语则要放在所修饰的名词之后2.动名词作定语，仅表被修饰的名词的用途，解释为“供给…….之用”;现在分词说明的是被修饰的名词执行现在分词所表示的这个动作,可用相应的定语从句换.=whoarewalkingtowardsus5.作宾语补足语V-ing形式可以放在某些动词如see,hear,notice,keep,find,get,have,feel等词后作宾语补足语.e.g.SuddenlyIheardsomeoneknockinggentlyonthedoor.I’msorrytohavekeptyouwaitingsolong.6.作状语(现在分词)V-ing形式作状语,可表时间、原因、方式、结果、条件、让步、伴随或陪衬等含义,相当于一个对应的状语从句所表达的意思.Walkinginthestreet,Icameacrossanoldfriend.=WhenIwaswalkinginthestreet,Icameacrossanoldfriend.Beingill,hedidn’tgotoschool.=Ashewasill,hedidn’tgotoschool.Laughingandtalking,theywentintotheclassroom.（方式）Ifyouuseyourhead,youwillfindaway.Thoughweighingalmostonehundredjin,theboxwasliftedbyhimwithonehand.Weweresittingbythewindow,talkingaboutwhathappenedyesterday.(伴随）1.当v-ing形式作状语时，若它所表示的动作发生在谓语动作之前，需用havingdone2.v-ing形式作状语时，其逻辑主语必须和主语保持一致；否则必须带有自己的逻辑主语=Usingyourhead,youwillfindaway.=Thoughitweighes…e.g.________areply,hedecidedtowriteasixthletter.A.NotreceivingB.NottoreceiveC.NothavingreceivedD.Havingnotreceivede.g.Havingfinishedmyhomework,IwenttowatchTV.解析没收信的动作发生在决定写信这一动作之前所以应该用havingdone;此题又是表否定含义，分词的否定式为notdoing/nothavingdone;故选c-ing形式-ing形式主要考查其在句子中作定语和状语的用...
