Grammar一.动名的词形式语态时态主动式被动式一般式doingbeingdone完成式havingdonehavingbeendone二.动名词的用法:1.作主语的用法:1)动名词作主语往往表示经常性、习惯性的动作。2)动名词作主语时,谓语动词用单数。3)动名词作主语时,对于一些比较长的动名词短语,一般采用it做形式主语,v-ing做真正主语。E.g.Talkingmendsnoholes.空谈无济于事。Workingwithyouisapleasure.ReadingEnglishaloudinthemorningwilldoyoualotofgood.早晨朗读英文会给你带来许多好处。Cheatingonanexamruinsone'scharacter.考试作弊毁坏人的性格。注:it做形式主语,v-ing做真正主语的常用句型是:1)Itisnouse/nogood/useless/awasteoftime...doingsth.E.g.Itisnousecryingoverspiltmilk.覆水难收。Itisnogoodlearningwithoutpractice.学而不实践是没好处的。Itisuselesstalkingaboutitwithhim.和他谈这件事是没用的。It’sawasteoftimearguingaboutit.辩论这事是浪费时间2)Thereisno…”句式来表示.E.g.Thereisnojokingaboutsuchmatters.这种事开不得玩笑。Thereisnolitteringabout.不许乱扔杂物。Thereisnoholdingbackthewheelofhistory.历史车轮不可阻挡。不定式做主语往往表示具体的特别是将来的动作。如:It'snousecryingoverspiltmilk.Herealizedthattogoonlikethiswaswrong.(指抽象动作)(指具体动作)【考例】—WhatdoyouthinkmadeMarysoupset?—__________hernewbicycle.(1997上海高考题)A.AsshelostB.LostC.LosingD.Becauseoflosing解析:losinghernewbicycle是句子的主语,谓语madehersoupset被省略,losing…在此表示具体的动作。2.动名词作宾语的用法1).有些动词或短语动词后常用动名词作宾语。如can‘tstand(不能忍受),feellike(想要),mind(介意),suggest(建议),enjoy(欣赏,),admit(承认),appreciate(感激,欣赏),avoid(避免),delay(推迟),escape(逃脱),finish(完成),forgive(宽恕),imagine(想象),keep(保持),miss(错过),practice(训练),resist(抵抗,抵制),risk(冒险),deny(拒绝,否认),consider(考虑)等。Manypeopleenjoysunbathingonthebeachinsummer.夏季,很多人喜欢在沙滩日光浴。Isuggestdoingitinadifferentway.我建议用另一种方法做这件事。He'snotverywell;hedoesn'tfeellikeeating.他不太舒服,吃不下。ShepracticesspeakingEnglisheveryday.2)动名词作介词宾语动名词作介词宾语时,通常放在由动词或形容词与介词组成的动词短语或形容词短语后。此类短语有很多。如:lookforwardto(渴望,盼望),beproudof(以……自豪),beresponsiblefor(对……负责),insiston(坚持),thinkof(考虑,想到),dreamof(梦想),objectto(反对,抗议),hearof(听说),prevent…from(防止,阻止),keep…from(防止,阻止),stop…from(防止,阻止),beengagedin(从事于),dependon(依靠,依赖),thank…for(因……而道谢),excuse…for(因……而道歉),aimat(目的在于),devote…to(献身于),setabout(着手做),be/getusedto(习惯于),befondof(喜欢),beafraidof(害怕),betiredof(对……厌烦),succeedin(成功地做……),beinterestedin(对……感兴趣),beashamedof(对……感到羞愧)等等。e.g.①Shesattherewithoutspeaking.②Ilookforwardtoseeinghimagain.③Areyouusedtolivingtherealone?④Whenmyfatherheardthenews,hecouldn’thelplaughing.⑤Hewasbusypreparinghislessons.【考例】Ican'timagine__________thatwiththem.(MET1986)A.doB.todoC.beingdoneD.doingShelooksforwardeveryspringto__________theflower-linedgarden.(1995上海高考题)A.visitB.payingavisitC.walkinD.walkingin解析:考查短语动词lookforwardto后跟动名词作宾语的用法。注意:(1)有些动词后面,如forget,remember,stop,try,mean,regret、goon等,既可跟动名词也可跟不定式作宾语,但是意义不一样。forgetregretremembertododoing将要发生的动作已经发生的动作goondoinggoontodostopdoingstoptodomeandoingmeantodo继续做同一件事情继续做另一件事情停止做某事停下来做另一件事意味着做某事打算做某事trydoingtrytodobeusedtodoingbeusedtodocan'thelpdoingcan'thelptodo试着做某事努力做某事习惯做某事被用来做某事情不自禁做某事不能帮助做某事Heforgotpayingforthebook.他忘了曾经付了买书的钱。(他付过钱了)Heforgottopayforthebook.他忘了去付买书的钱。(他没有付过钱)Stoptalking.(停止说话)IstoppedtotalkwithTom.(停下正在做的事开始去说话)【考例】—Let'shavearest.—Notnow.Idon'twanttostop__________yet.(MET1985)A.studyB.tostudyC.forstudyingD.studying解析:stopstudying意为“停止学习”。—Letmetellyousomethingaboutthejournalists.—Don'tyouremember________methestoryyesterday?(1999上海高考题)A.toldB.tellingC.totellD.tohavetold解析:remembertellingme意为“记得曾经告诉过我”。(2)在有些句子中,介词常可省去。Ihavenodifficulty(in)communicatingwithforeigners.我在和外国人交谈方面没有什么困难。Heusedtospendalotoftime(in)playinggames.过去他常花很多时间玩游戏。Whatcanpreventus(from)goingthere?有什么能阻止我们去那呢?(3)动名词可以和一些介词如in,on,after,against,before,by,for,without,besides等构成短语,在句中作状语。Heleftaheadoftimewithoutsayingaword.他一句话也没说就提前离开了。Besidescookingandsewing,shehadtotakecareoffourchildren.除了做饭和缝纫以外,她还要照顾四个孩子。Onhearingthenews,allthepupilsjumpedwithjoy.听到这个消息后,所有的学生都高兴得跳了起来。(4)want(需要),need(需要),deserve(值得),require(需要)等词后,我们用动名词的主动形式表达被动意思。后跟动名词的主动式与不定式的被动式作宾语,意义没有区别。如:Thewindowneeds/requires/wantscleaning/tobecleaned.Yourcarneedsfilling.你这车要充气了。Thiscitydeservesvisiting.这座城市值得光顾一下。Theproblemrequiresstudyingcarefully.这个问题需要认真研究。Thetreeswantwatering.这些树需要浇水了。(5)在begin,continue,love,like,hate,prefer,intend,start后用动名词和用不定式作宾语均可,意义没有多大区别。(6)在allow,advise,forbid,permit后直接跟动名词作宾语,如果有名词或代词作宾语,则构成“allow/advise/forbid/permit+名词/代词+不定式(宾语补足语)”之形式。如:Wedon'tallowsmokinghere.Wedon‘tallowanybodytosmokehere.advisedoingsth.advisesb.todosth.3.作表语句子结构:主语+系动词+表语…S.+be+doing…e.g.Hishobbyiscollectingstamps.Herjobislookingaftertheold.Theirtaskisexploringoilminesinthewest.他们的任务是在西部探查油矿。注意:这时,主语和表语可以互换位置4.动名词作定语。动名词作定语时一般前置,与所修饰的名词间没有逻辑上的主谓关系,表用途。readingroom阅览室swimmingpool游泳池diningcar餐车singingcompetition歌咏比赛waitingroom候车室注:动名词作定语与现在分词作定语的区别:awalkingstickaswimmingpoolasleepingcar区别thewalkingmantheswimminggirlthesleepingboy动名词修饰名词表示名词的功能现在分词修饰名词表示该名词所处的状态5.动名词复合结构:1).物主代词/名词所有格+动名词在句中作主语或宾语:e.g.Mary’scominglatemadeherteacherangry.Idon’tmindyouropeningthewindow.2).人称代词宾格/名词+动名词在句中作宾语:e.g.I’msureofhimcomingontime.Hehasneverheardofawomanbeingapilot.1.Thenewsthatourteamhadbeendefeatedwasdisappointed.2.Lucydosen’tmindtolendyouherMP3.3.Aftertakehismeasure,theydecidedtogivehimtheposition.4.Whichdoyouenjoyspendingyourweekend,fishingorshopping?5.Istillremembertake