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非谓语动词讲解NonfiniteVerbs非谓语动词动名词分词现在分词过去分词动词不定式1.谓语动词：概述：2.非谓语动词：在句子中担任谓语的动词是动词的特殊形式，在句中可以作除谓语外的所有成分一个句子当中，已经存在一个主句（谓语动词）,又没有连词的情况下,还有别的动词出现时。非谓语动词使用条件Shegotoffthebus,leavingherhandbagonherseat.Shegotoffthebus,butleftherhandbagonherseat.1Theteacherssittingtherearefromotherschools.表语2Wesawsometeacherssittingthere.宾语补足语3Weneedtobeactiveinclass.宾语谓语宾语主语定语连系动词非谓语动词大都可在句中作主语、宾语、宾语补足语、表语、定语、状语等.动词不定式（TheInfinitive）一.动词不定式的基本构成：由不定式符号to加动词原形构成。其否定式由not+不定式构成肯定式：todosth否定式：nottodosth.被动式：tobedone完成式：tohavedone二.动词不定式的句法作用法在句中可作主语、宾语、宾语补足语、表语定语、状语等成份。动词不定式Todothatsortofthingisfoolish。IwanttoseeyouthiseveningMydreamistobecomeadoctor.Wefoundahousetolivein.ShecameheretostudyEnglish.Iwarnedthepatientnottoeatcoldwateraftertheoperation.主语宾语表语定语状语宾补(1)作主语不定式做主语时，可以直接放在谓语动词之前。Toseeistobelieve．Nottogetthereintimeisyourfault.注：常用it做形式主语，将todo放在位于之后，使句子保持平衡。句型1：It+谓语+todoIttakesusanhour___gettherebybus.句型2：It’s+n.+todoIt’sourduty__helpthepoor.Itisagreatenjoyment__spendourholidayinthemountains句型3：Itisadj.for/ofsb.todosth.Itis+adj+forsbtodosthItis+adj+ofsbtodosth（是形容人的品质的）（是形容事物的性质的）Itiseasyformetofinishthisworkbeforeten.Itisagreathonorforustobepresentatyourbirthdayparty.Itisverykindofyoutogivemesomehelp.It'simpoliteofyoutospeaktotheteacherlikethat.＝Youareverykindtogivemesomehelp.＝youareimpolitetospeaktotheteacherlikethat.常见动词有：口诀：想要决定同意，希望许诺选择want,decide,hope,agree,choose,wish,need,promise(2)作宾语Iwanttoknowthismatter.like,demand,expect,promise,begin,determine,refuse,offer,fail,manage,learn,seem,intend,prefer,forget,mean,prepare,pretend,continue,start,afford,hate等Idon’texpecttomeetyouhere.1).接不定式做宾语1.Theywanted____(get)onthebus,didn’tthey?2.Hesaidhewished______(be)aprofessor.3.Iagreed______(go)therewiththedoctor.4.Mydaughterpreferred______(dance)whenshewasinhertwenties.5.Hehadpromised______(give)meahand.•B.常跟疑问词+不定式作宾语的动词:•tell,advise,show,teach,findout,decide,discuss,learn,explain…know,show,discover,see(understand)•Hetaughtushowtousethetool.•Noonecouldtellmewheretogetthebook.•Ihopeyou’lladvisemewhattodo.Idon'tknowhowtogetthere.Ihaven'tdecidedwhethertogoorstay.beginstartcontinue+tododoing注意下列动词①②likelovehateprefer+tododoing③rememberforgetregret+tododoing④trymeanstopgoon+tododoing1.Boys,don'tforget_____thewindowsbeforeyouleavetheclassroom.A.closingB.closedC.toclosingD.toclose2.Shereachedthetopofthehillandstopped_______onabigrock.A.tohaverestedB.restingC.torestD.rest4.Remember_______thelightswhenyouleavetheoffice.A.toturnoffB.turningoffC.turnoffD.toturningoff(3)作宾语补足语(与宾语之间的关系实际上是逻辑上的主谓关系)1.Mothertoldme___comebackbefore10o’clock.2.I’llgetsomeone___repairtherecorderforyou.3.Whatcausedhim___changehismind?4.Iwishyou___comeassoonaspossible.5.Heaskedme___dotheworkwithhimadviseallowaskbegcauseexpectencourageforcegethateinviteorderwishobligewantwarnremindpromisepermitpersuaderequest…sb.todoseewatchlookathearlistentofeelnotice+sb.+dodoingdonemakelethave2).Ioftenhearthem(sing)thissong.Didyounoticeanyone(come)in?Iwouldhavehim(wait)formeforalongtime.Lookatthehorsejump.注意：当这类动词转为被动语态时，其后的不定式则要加上“to”如：Heisoftenheard________thesong·Hewasseen_______theroom.tosingtoentersb.beseenwatchedlookedatheardlistenedtofeltnoticed+todomadelet4.it作形式宾语Ifind/feeltoworkwithhiminteresting．Ifind/feelitinterestingtoworkwithhim．注意：不定式短语作宾语时，如果还带有宾语补足语，往往把不定式宾语放在宾语补足语之后，而用it作形式宾语。Subject+find/think/feel/make/consider…it+adj/n+todosth.1.Wethought___better___startearly.2.Doyouconsider___betternot__go?3.Ifeel__myduty__changeallthat.4.Wethink__important__obeythelaw.5.Iknow__impossible__finishsomuchhomeworkinaday.用括号内所给动词的适当形式填空，使句子完整、正确。1.Letme______(help)you_______(water)theflowers.2.LittleSandywouldlove_______(take)tothecinemathisevening.3.Thoughheoftenmadehisdeskmate______(cry),todayhewasmade_______(cry)byhisdeskmate.4.Isawhim_______intothesmallstore.A.wentB.goingC.togoD.hasgone5.Telltheboy_______outofthewindow.A.nottolookB.tonotlookC.don'tlookD.notlookhelp(to)watertotakecrytocry5.Ihavesomethingtotellyou.(不定式作定语)1)不定式与它所修饰的词有动宾关系Doyouhaveanythingtowashtoday?Doyouhaveanythingtobewashedtoday?(区别主被动）2)不定式用来说明所修饰词的内容Ihavenochancetogothere.3)被修饰词是不定式的逻辑主语Sheisthelasttoleavetheroom.4)不定式为不及物动词时，须加介词Heislookingforaroomtolivein.1.Thehouseisnotbigenoughforusall_______.A.toliveinB.tobelivedinC.toliveD.forlivingin2.Wouldyoupleasepassmetheknife_______?A.tocutthefruitwithB.tocutthefruitC.cuttingthefruitD.cuttingthefruitwith3.Ihavesomethingimportanttosay.pleasefindapieceofpaper（写上）4.Excuseme，couldIuseyourpenforamoment？Ihavenopen（写）towriteontowritewith动词不定式做定语注意：如果不定式是不及物的，它后面就应有必要的介词。如：Heislookingforaroomtolivein．Pleasegivemeaknifetocutwith．(5)作状语表示目的、原因、结果或条件。Icameheretoseeyou．Wewereveryexcitedtohearthenews．Hehurriedtotheschooltofindnobodythere.Tolookathim，youwouldlikehim．(目的)(原因)(结果)(条件)动名词（gerund）一.动名词的基本构成主动语态被动语态一般式doingbeingdone完成式havingdonehavingbeendone二.动名词的性质动名词既具有动词的特点有具有名词的特点，具体表现为：1.动名词可以被定冠词和物主代词修饰Ihopeyoudon’tmindmysayingit.2.动名词可带有自己的宾语和状语Areyoufororagainsthavingthemeeting.Iinsistedonleavingatonce.三.动名词的功用1.可作主语①SeeingisbelievingReadingnewspaperscanincreaseourknowledg