高中英語選修不定式演示文稿第一頁，共40頁。動詞不定式的作用

FunctionsofInfinitive

1主語(subject)2表語(predicative)3賓語(object)4賓補(objectcomplement)5定語(attribute)6狀語(adverbial)7.獨立結構(absoluteconstruction)

第二頁，共40頁。三.用法/功能Toseeistobelieve.It’simportanttolearnEnglishwell.(1).主語句型轉換Tolookaftermypetsproperlytakesalotoftime.

Ittakesalotoftimetolookaftermypetsproperly.Myjobtohelpthepatient.Yourtasktocleantheclassroom.(2).表語第三頁，共40頁。Iwanttogohome.Ifounditnecessarytotalktohimagain.(3)賓語think/consider/findit+adj.+todo常用動詞不定式作賓語的動詞有：hope,refuse,learn,setoutchoose,decide,agree,manage,pretend,plan.

第四頁，共40頁。Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.(4).賓補warn/tell/allow/help/ask/force等+sb.todosth.第五頁，共40頁。e.g.Imadehimdohiswork.Hewasmadetodohiswork(byme).注意1>help后面的“to”可省去e.g.Theyoftenhelpthegrandma(to)carrywater.2>see,hear,watch,feel,notice等感官動詞和let,make,have等使役動詞后面，不定式作賓語時要省“to”

（注：被動語態(tài)不省to）第六頁，共40頁。1.Theysawtheboyfallsuddenlyfromthetree.Theboywasseentofallsuddenlyfromthetree.Exercise：將下列句子改成被動語態(tài)

MothermadeJohnwashthecarforaweek.

Johnwasmadetowashthecarforaweek.第七頁，共40頁。3>不定式用在介詞but,except,besides后時,如果這些介詞前有行為動詞do的各種形式(do/did/does),那么介詞后的不定式不帶to,相反則帶to.(1).Shecoulddonothingbutcry.(2).Ihavenochoicebuttogo.(3).Whatdoyouliketodobesidessleep.第八頁，共40頁。Ihavesomethingtosay.Hehasalotofhomeworktodo.注意：如果不定式中的動詞是不及物動詞,則不定式中要有介詞.Heislookingforaroomtolivein.Thereisnothingtoworryabout.Eg：請給我一支寫字的筆.Pleasegivemeapentowritewith.第九頁，共40頁。1.不定式做定語時常放在被修飾的名詞或代詞之后

(1)Shewasverybusyandhadnotimetovisitherfriends.(2)Ladiesandgentlemen,Ihavesomethingimportanttotellyou.2.當名詞被thefirst,thelast,theonly等詞以及形容詞最高級修飾時

eg:

Sheisalwaysthefirsttocomeandthelasttoleave.(5).定語第十頁，共40頁。4.如果不定式是不及物動詞,則后面需適當?shù)慕樵~

Pleasepassmesomepapertowrite____.Shehasanicepentowrite_____.Heboughtaflatforthefamilytolive____.onwithin3.也可用在have…todo和therebe句型中。Thereisnoonetotakecareofher.Ihavenojewelrytowear.第十一頁，共40頁。3.結果狀語:③Wehurriedtothestationonlytofindthetrainhadleft.onlytodoonlytobedone表示意外的結果1.Wehurriedtothestationonlytofindthetrainhadleft.2.Wehurriedtothestationonlytobetoldthetrainhadleft.第十二頁，共40頁。Icameheretoseeyou.Hegotupearlytocatchthetrain.(6)狀語（表示目的或結果）inorderto,

soasto,enoughto,too….to.,onlyto,（表達意想不到的結果）Eg:Wehurriedtothestationonlytofindthetrainhadleft.第十三頁，共40頁。(7).獨立結構tobefrank,tobehonest,Totellthetruth,Idon’tagreewithyou.類似的結構第十四頁，共40頁。(8)不定式與疑問詞who,which,when,how,what等連用，在句中起名詞作用，可充當主語、表語、賓語等。Hedidn’tknowwhattosay.

Howtosolvetheproblemisveryimportant.

Myquestioniswhentostart.

(賓語)

(主語)

(表語)

Whynotdo……?第十五頁，共40頁。固定詞組和句型1.preferdoingtodoing2.prefertodoratherthando3.wouldratherdo4.advise/allow/permit/forbidsb.todo(advise/allow/permit/forbiddoing)第十六頁，共40頁。1.Itisgoodtohelpothers.2.Itismyambitiontomakesurethatthedisabledpeopleinourneighborhoodhaveaccesstoallpublicbuildings.3.MyambitionistoworkinthecomputerindustrywhenIgrowup.Identifyitsfunction.(subject)(subject)(predicative)想一想第十七頁，共40頁。4.Idon’thavetimetositaroundfeelingsorryformyself.5.Heisalwaysthefirsttocomeandthelasttoleave.6.Abigcompanyhasdecidedtobuyitfromme.7.MyfellowstudentshavebeguntoacceptmeforwhoIam.(attribute)(attribute)(object)(object)第十八頁，共40頁。8.Ihavehadtoworkhardtoliveanormallife.9.SomedaysIamtootiredtogetoutofbed.10.Wemustcallonlocalgovernmentto

givefinancialassistancetodisabled

people.(adverbial)(adverbial)(objectcomplement)第十九頁，共40頁。exercise第二十頁，共40頁。Myteacherwasmade_____histeachingbecauseofpoorhealth.givingupB.togiveupC.giveupD.givenup2.Thesentencewants____oncemore.explainedB.toexplainC.beingexplainedD.explaining3.TheArcticisconsidered____thenorthernpartoftheAtlantic.havingbeenB.tohavebeenC.tobeD.beingBDCwant/need/require用doing的形式表示被動wantdoing=wanttobedone這句句子需要再被翻譯一次

第二十一頁，共40頁。?4.TheEmperororderedthewonderfulcloth_____forhimwithoutdelay.tohavewovenB.tobewovenC.tobeweavingD.toweave?5.IfoundtheGermanlanguagehard____.learnedB.learningC.tobelearnedD.tolearn?6.—Thelightintheofficeisstillon.---Oh,Iforgot______.turningitoffB.turnitoffC.toturnitoffD.havingturneditoffBDC第二十二頁，共40頁。幾對易混淆的詞組：stoptodosth.停止去做某事

doingsth.停止正在做．．．forgettodosth.忘記去做．．．

doingsth.忘記已做了．．．remembertodosth.記得去做．．．

doingsth.記得曾經(jīng)做．．．第二十三頁，共40頁。7.---Howdoyoudealwiththedisagreementbetweenthecompanyandthecustomers?---Thekey____theproblemistomeetthedemand____bythecustomers.tosolving,makingB.tosolving,madeC.tosolve,makingD.tosolve,made8.---Whatdoyouthinkoftheschool?----Itisaverygood_____.schooltostudyinB.schoolforchildrentostudyC.studyingschoolD.schooltostudyBA第二十四頁，共40頁。?9.---Didyougetajob?---No,I___,butit’snouse.expectedB.triedtoC.managedtoD.planned?10.Wefinditimpossibleforthework___aheadoftime.tofinishB.finishingC.beingfinishedD.tobefinished?11.---IusuallygotoShanghaibytrain.----Whynot___therebyboatforachange?totrytogoB.trygoingC.totrygoingD.trytogoBDB第二十五頁，共40頁。12.___aliving,shehadtoworkfrommorningtillnight.TomakeB.MadeC.MakingD.Tohavemade?13.Iwouldratherstarvetodeaththan___forfood.begB.beggingC.beggedD.tobeg?14.Theboypretended____whenhismotherentered.readingB.toreadC.tobereadingD.beingreadAAC第二十六頁，共40頁。動詞不定式的時態(tài)和語態(tài)形式主動被動一般式完成式進行式todotohavedonetobedoingtobedonetohavebeendone第二十七頁，共40頁。(1)Theypretendednottoseeus.(2)Hepretendedtobeworkinghardwhenhisbosspassedhim.(3)Heishappytohavepassedthetest.(同時或不定式動作后發(fā)生。)(同時發(fā)生，且不定式動作正在進行)(不定式動作先發(fā)生)第二十八頁，共40頁。hoped,promised,wanted,wished,expected,planned…+tohavedone表示過去沒有實現(xiàn)的期待或者計劃Hewantedtohavemetyouattheairport,buthedidn’tgetthereintime.Iintendedtohaveresignedfromthecompany.第二十九頁，共40頁。Exercise第三十頁，共40頁。1.Robertissaid____abroad,butIdon’tknowwhatcountryhestudiedin.tohavestudiedB.tostudyC.tobestudyingD.tohavebeenstudying?2.Thepurposeofnewtechnologiesistomakelifeeasier,____itmoredifficult.notmakeB.nottomakeC.notmakingD.don’tmake3.I’veworkedwithchildrenbefore,soIknowwhat____inmynewjob.expectedB.toexpectC.tobeexpectingD.expects?第三十一頁，共40頁。4.Havingatripabroadiscertainlygoodfortheoldcouple,butitremains____whethertheywillenjoyit.toseeB.tobeseenC.seeingD.see5.ItissaidinAustraliathereismorelandthanthegovernmentknows____.itwhattodowithB.whattodowithitC.whattodoitwithD.todowhatwithit6.Themotherdidn’tknow____toblameforthebrokenglassasithappenedwhileshewasout.A.whoB.whenC.howD.why第三十二頁，共40頁。7.Pauldoesn’thavetobemade____.Healwaysworkshard.A.learnB.tolearnC.learned D.learning?8.Weagreed____herebutsofarshehasn’tturnedupyet.A.havingmetB.meetingC.tomeetD.tohavemet?9.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim____.A.nottoB.nottodoC.notdoitD.donotto第三十三頁，共40頁。10.Thepatientwaswarned____oilyfoodaftertheoperation.A.toeatnotB.eatingnotC.nottoeatD.noteating11.Iwouldlove____tothepartylastnightbutIhadtoworkextrahourstofinishareport.A.togoB.tohavegoneC.goingD.havinggone12.CharlesBabbageisgenerallyconsidered____thefirstcomputer.A.toinventB.inventingC.tohaveinventedD.havinginvented第三十四頁，共40頁。13.LittleJimshouldlove____tothetheatrethisevening.A.tobetakenB.totakeC.beingtakenD.taking14.____lateintheafternoon,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingsleep15.Theteacheraskedus____somuchnoise.A.don’tmakeB.notmakeC.notmakingD.nottomake第三十五頁，共40頁。1愛和被愛都是最大的幸福。_______________arebothgreathappiness.2中國人民決不會征服。TheChinesepeoplerefuse_________________3據(jù)說他已經(jīng)完成了他的工作。Heissaid__________________________.4根據(jù)報道他們已安全到達。Theyarereported____________________Tolo