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Ving的变化形式有？种一直接加ing如do-doing二不发音的字母e结尾的单词，去e加ing如come-coming三以“辅元辅”结尾的单词要双写最后一个字母加ingrun-runningstudy，persuade，begin，playstudyingpersuading，beginning，playingTheusageof–ingform表示主动的或正在进行的动作或状态1.Walkingisgoodforeveryone.2.Ourjobisplayingallkindsofmusic.3.Weshallappreciatehearingfromyouagain.4.Doyouknowtheboylyingunderthetree?5.Peoplecometothemeparks,lookingforexcitement.6.Onthehill,hesawsmokerisingfromthechimneys.(主语）（表语）（宾语）（定语）（状语)（宾补）Ving形式作主语和宾语的用法1形式V+ing否定not+ving2作用起名词，形容词和副词的作用。在句中作主语、宾语、表语、状语和宾语补足语，注意不能单独做谓语Igoingtoschool.(×)Ilikegoingtoschool.(√)•3构成形式以do为例主动被动一般时态doingbeingdone完成时态havingdonehavingbeendone现在以study为例一般时态完成时态否定式的一般时态否定式的完成时态notstudyingnotbeingstudiednothavingdonenothavingbeendonestudyingbeingstudiedhavingstudiedhavingbeenstudied4用法1）做主语Seeingisbelieving.Playingchessismyhobby.It’snousecryingoverthespiltmilk.It’sgoodplayingchessaftersupper.形式主语•注意：动词-ing与不定式作主语的区别1）一般情况下可以换用：Itisdangerousplaying/toplaywithfire.2）在下列句型中习惯用-ing作主语，不用不定式It’snouse/nogood/uselessdoingsthThere+be+no+名词(saying,trouble,telling等)•1---WhatdoyouthinkmadeMarysoupset?----_______hernewbicycle.A).AsshelostB)LostC)LosingD)Becauseoflosing2Theythoughtthereisnotrouble______theirfavoritebrandfromotherbrands.A)totellB)tellingC)tellD)toldCB_________(teach)isquiteinteresting.___________(teach)somanylittlekidsinsuchasmallroomtodaywillreallymakemeconfused.TeachingToteach3).V-ing表抽象的动作；不定式表具体的动作。•4）V-ing的复合结构•形容词性物主代词/名词所有格+V-ing•Wouldyoumindmysmokinghere?___________________________madetheteacherunhappy.李平迟到使老师不高兴._________________worriedhermotheralot.(她生病令她母亲担心).Liping’sbeing/cominglateHerbeingill•____________________madehimunhappy.没通过考试使他不高兴.•_______________________madeteachersupset.•学生们没通过考试使老师不开心.NotpassingtheexamStudents’notpassingtheexam强调动作的发出者二Ving做宾语1）在及物动词及介词后面Wouldyoumindmysittinghere?2）在worth，busy等形容词后ChinaDailyisworthreading.1Whileshopping,peoplesometimescan’thelp______intobuyingsomethingtheydon’treallyneed.A)topersuadeB)persuadingC)beingpersuadedD)bepersuaded2Howaboutthetwoofus_____awalkdownthegarden?A)totakeB)takeC)takingD)tobetaking3Millionsofpoundshavebeenspent______thefreestateeducationsysteminBritain.A)toimprovingB)inimprovingC)toimproveD)tohaveimprovedC固定搭配CB•注意：不定式与Ving做宾语的比较•1）在下列一些动词后面常跟V-ing作宾语，而不跟不定式•admit(承认),appreciate(欣赏;感激),advise,avoid,allow,delay(耽搁),dislike,enjoy,escape,excuse,face,feellike,finish,fancy(想象),forbid(禁止),forgive,imagine,include,mention,mind,miss,practise,resist(抵抗;忍得住),risk(冒险),suggest…•2)在下列一些动词后面只跟不定式，不跟v-ing做宾语•want(想要),hope,expect,wish,decide,wouldlike,refuse,manage,pretend,demand,offer,afford,plan,wonder,intend…•3）在下列一些动词后面跟不定式或v-ing做宾语，意义不同•remember/forgetdoing•remember/forgettodo•trydoing/trytodo•stopdoing/stoptodo•meandoing/meantodo•chancedoing/chancetodo•4）need，require，want作“需要”讲时，跟ving的主动形式作宾语，主动表被动，相当于tobedonee.g.Thebikeneeds/wants/requiresmending/tobemended.•5）allow/advisepermit/forbiddoingsthsbtodosth