非谓语动词什么是非谓语动词啊？英语一句话只能有一个主谓结构如果出现更多动词：加连词（and/but/so…）放入从句变为非谓语动词e.g.Heworks.Hewantstoworkhere.Heisworkingnow.Themeetingheldlastweekisveryimportant.过去分词v-ed动词不定式动词不定式注①：在很多情况下，特别是在口语中，常采用it作形式主语，而把不定式后置。大家有疑问的，可以询问和交流下列情形用不定式作定语ThreeyearslaterhehadachancetogotoAustralia.Hefailedinhisattempttoescapefromprison.做独立成分注意在wouldrather…than…,ratherthan,等结构后的than之后不用to.5.一些特定结构中:whynotdo…(为什么不做…)hadbetterdo…(最好做…)wouldratherdo…(宁愿；宁可)Iwouldratherhaveacupoftea.我宁愿喝茶。Youhadbettergoback.你还是回去的好。Whynotseeafilmtonight?注意注意E.有些动词后面既可跟不定式todo，又可跟动名词doing，但是意义不一样，如remember,forget,try,stop,goon,mean,regret,like/love,can’thelp,propose等等4)stoptodo表示停下来去做另外一件事情stopdoing表示停止做某事注：need/want/require;worth/worthy的特殊用法注:prefer的用法：Heisusedto_________inthatcity.(live)I’mlookingforwardto______yousoon.(see)Sheobjectsto_________theproblemnow.(discuss)Hedevotedhimselfto___________thenewtheory.(establish)Ihavebeenaccustomedto________inthatcompanysinceIcamehere.(work)Inadditionto_______hisownworkwell,heisreadytohelpothers.(do)动词不定式的时态和语态㈡.进行式(tobedoing)㈢.完成式（tohavedone)1.—Thelightintheofficeisstillon.---Oh,Iforgot.A.turningitoffB.turnitoffC..havingturneditoffD.toturnitoff2.Shecan’thelp______thehousebecauseshe’sbusymakingacake.A.tocleanB.cleaningC.CleanedD.beingcleaned3.Noteverybodyhastheabilityinpublic.A.ofspeakB.speakingC.spokenD.tospeak4.Maryisalwaysthefirststudent___toanswertheteacher’squestionsinclass.A.risingB.toriseC.roseD.risen5.—Mum,whydoyoualwaysaskmetoeataneggeveryday?---_____enoughproteinandnutritionasyouaregrowingup.GetB.GettingC.TogetD.Tobegetting6.—Wouldyoubesokind__usout?---Withpleasure.A.helpingB.inhelpingC.helpD.astohelp7.Wetumbrellasarenotallowed______intothishotelaccordingtotherule.A.tobetakenB.totakeC.takenD.taking10.Thepatientwaswarned_______oilyfoodaftertheoperation.A.toeatnotB.eatingnotC.nottoeatD.noteating11.Weagreed___here,butsofarshehasn’tturnedoutyet.A.havingmetB.meetingC.tomeetD.tohavemet12.Pauldoesn’thavetobemade________.He