新人教版高中英语选修七unit 1 语法不定式ppt课件.ppt

Unit1,RevisetheInfinitive,livingwell,DoyoubelieveIcanflylikeabird?,HowcanyoubelieveIcanflylikeabird?,_istobelieve.Itsimpossibleforhumans_now.,Tosee,toflylikeabird,结构:todo;(否定)nottodo,二.时态与语态,不定式,todo,tobedone,tobedoing,tohavedone,tohavebeendone,tohavebeendoing,-,-,(1).Theypretendednottoseeus.,(2).Hepretendedtobesleeping.,(3).Shepretendedtohaveknownitbefore.,(一般式表示与谓语的动作同时/几乎同时/发生在它之后.),(进行式表示在谓语动词发生的同时,不定式的动作也正在进行),(完成式表示动作发生在谓语动作之前),(4).Werehappytohavebeenworkingwithyou.,(完成进行式表示谓语动作发生之前,不定式的动作一直在进行而且可能之后也继续),1.作主语,2.作宾语,3.作宾语补足语,4.作定语,5.作状语,6.作表语,7.作独立成分,8.与疑问词等连用,(1).不定式作主语时,往往放在谓语之后,用it作形式主语.,Toseeistobelieve.,Itsimpossibleforhumanstoflylikeabirdnow.,(2).不定式作表语,protecttheworld.,Helikesto_.Ifinditstillnecessary(forhim)to_ifhewantstowin.,(3)不定式作宾语,playbasketball,句型：think/consider/findit+adj.+todo,常接动词不定式作宾语的动词有：agree,afford,appear,ask,attempt；care,choose,claim；dare,decide,demand,deserve,determine；expect,fail,get,guarantee；hate,hesitate,hope,hurry；intend,learn,manage,offer,plan,prepare,pretend,promise；refuse,seem,tend,threaten；want,wish等+todo。,Theteachertoldmeto_Iexpectyouto_.,(4).不定式作宾补,handinmypapers,Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.,引导不定式作宾补的动词：,五看,watch,see,lookat,observe,notice,三使,let,make,have,二听,listento,hear,一感觉:,feel,Warn,tell,allow,help,ask,force等,+sbtodosth,+sbdosth（省略to）,Imadehimdohiswork.,Hewasmadetodohiswork(byme).变成被动，被省略的to要还原。,不定式用在介词but,except,besides后时,如果这些介词前有行为动词do的各种形式,那么介词后的不定式不带to,相反则带to.,(1).Shecoulddonothingbutcry.(2).Ihavenochoicebuttogo.,Note1,Note2,Ihavesomethingtosay,butmybrotherhasalotofhomework_,soIamlookingforsomeone_.,(5).不定式作定语,不定式作定语时，应放在被修饰词的后面，而且放在其他后置定语之后。,1.作定语的不定式如果是不及物动词，或者不定式所修饰的名词或代词是不定式动作的地点、工具等，不定式后面须有相应的介词。Heislookingforaroomtolivein.,2.不定式所修饰的名词如果是time,place或way，不定式后面的介词习惯上要省去。Hehadnomoneyandnoplacetolivein.,3.something,anything,nothing,everything等复合不定代词常用不定式做后置定语。,注意比较：,1)Haveyouanythingtosend?你有什么东西要寄吗？2)Haveyouanythingtobesent?你有什么要（我或别人）寄的东西吗？,（不定式tosend的动作执行者是you）,（不定式tobesent的动作执行者是已被省略的me或someoneelse）,Igotupearlyto_.Icamehereto_.,(6)不定式作状语,inorderto,soasto,enoughto,onlyto,too.to.,catchthetrain,Totellthetruth,Iamnothappyatthemoment.,(7).独立结构,tobefrank,tobehonest,totellthetruth,Hedidntknow_.,(8).与疑问词等连用,whattosay,不定式与疑问词who,which,when,how,what等连用，在句中起名词作用，可充当主语、表语、宾语等。,Hedidntknowwhattosay.(宾语)Howtosolvetheproblemisveryimportant.(主语)Myquestioniswhentostart.(表语),注意：,在与why连用时，只用于why或whynot开头的简短疑问句中，后面紧跟的动词不定式不带to。Whynothavearest?,(9)不定式的省略,(1).不定式中的动词上文已出现过,下文要省略该动词.,e.g.:Wouldyouliketogowithme?Idliketo.,(2).不定式是tobe结构,be不可省.,e.g.:Wouldyouliketobeateacher?Idliketobe.,Martysays,2.Ihavelearnedtoadapttomydisability.,3.Iusedtoclimbtreesandswimandplayfootball.,4.ThenIstartedtogetweakerandweaker.,HaveALk,1.Thedoctorsdontknowsotheydontknowhowtomakemewell.,Martysays,HaveALk,5.Evenafterallthetests,noonecouldgivemydiseaseaname,soitisdifficulttoknowwhatthefuturewillbelike.,6.Sometimes,Iamtooweaktogotoschool.,7.MyambitionistoworkinthecomputerindustrywhenIgrowup.,8.LastyearIinventedandabigcompanyhasdecidedtobuyitfromme.,Martysays,HaveALk,9.Ihavealotofstudytodoaswell,especiallyafterIhavebeensickforawhile.,10.Ihavehadtoworkhardtoliveanormallife,butithasbeenworthit.,11.IfIhadthechancetosayonethingtohealthykids,itwouldbethis:,12.Justacceptthemforwhotheyareandgivethemencouragementtoliveasrichandfullalifeasyoudo.,介词,Exercise,1.Thepatientwaswarned_oilyfoodaftertheoperation.A.toeatnotB.eatingnotC.nottoeatD.noteating2.Iwouldlove_tothepartylastnightbutIhadtoworkextrahourstofinishareport.A.togoB.tohavegoneC.goingD.havinggone3.CharlesBabbageisgenerallyconsidered_thefirstcomputer.A.toinventB.inventingC.tohaveinventedD.havinginvented,4.LittleJimshouldlove_tothetheatrethisevening.A.tobetakenB.totakeC.beingtakenD.taking5._lateintheafternoon,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingsleep6.Theteacheraskedus_somuchnoise.A.dontmakeB.notmakeC.notmakingD.nottomake,7.Pauldoesnthavetobemade_.Healwaysworkshard.A.learnB.tolearnC.learnedD.learning9.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim_.A.nottoB.nottodoC.nottorideD.donotto,10.Robertissaid_abroad,butIdontknowwhatcountryhestudiedin.tohavestudiedB.tostudyC.tobestudyingD.tohavebeenstudying11.Thepurposeofnewtechnologiesistomakelifeeasier,_itmoredifficult.notmakeB.nottomakeC.notmakingD.dontmake12.Iveworkedwithchildrenbefore,soIknowwhat_inmynewjob.expectedB.toexpectC.tobeexpectingD.expects,13.Havingatripabroadiscertainlygoodfortheoldcouple,butitremains_whethertheywillenjoyit.A.toseeB.tobeseenC.seeingD.see14.ItissaidinAustraliathereismorelandthanthegovernmentknows_.itwhattodowithB.whattodowithitC.whattodoitwithD.todowhatwithit,Iwanttotellyousomething,Hi,Iwanttotellyousomething.IwillgotoRuianforshoppingthisafternoon.Doyouwanttogowithme?First,IdliketogotoKaiTaistore.Buttobefrank,mostoftimeIamthereonlytodosomewindowshopping,becauseeverythingisexpensive.Then,IplantogotoHongQiaoroadtobuysomecloth