Unit4不定式todo课件高中英语人教版

ENGLISHLESSONHellosuntitleTVdogflagtableloveappleorangeonedogstarskytwoGrammartheinfinitiveENGLISHLESSONHellosuntitleTVdogflagtableloveappleorangeonestarskytwoCONTENTSCONTENTS1Definition2Functions3TenseandvoiceENGLISHLESSONHellosuntitleTVdogflagtableloveappleorangeonedogstarskytwo01DefinitionDefinition动词不定式（infinitive）是不带词形变化的动词形式。因为该形式内的动词不受主语的时态、人称和数的限定，因此被称为——不定式。非谓语动词nonfiniteverb或称

非限定动词，指不受主语的人称、数和时态限定的动词。不定式、分词、动名词infinitive/participles/gerundsENGLISHLESSONHellosuntitleTVdogflagtableloveappleorangeonedogstarskytwo02FunctionsFunctions可以充当句子内除谓语外的所有成分动词不定式主、宾、定、表、状、（宾）补非谓语动词+独立结构Functionssubject主补状定表宾+独立结构absoluteconstructionpredicativeattributeadverbialobjectFunctionssubject01e.g.TolearnEnglishwellisdifficult.It’sdifficulttolearnEnglishwell.不定式后置It’s+adj.+forhimtodosth不定式表示动作的发出者It’s+adj.+ofhimtodosth说明逻辑主语的性质、品质ENGLISHLESSONTVtableloveonedogstartwoIt’sdifficult____himtolearnEnglishwell.It’swise____him_________(make)suchadecision.foroftomakeMyhobbyis__________(collect)stamps.Myworkinthefollowingweeksis___________(collect)therelateddata.collectingto

collect具体的/将来的动作习惯性的动作（事情）Functionsobject02e.g.JeremyLinlikestoplaybasketball.Thegirldecidedtodoitherself.Wehopetogettherebeforedark.常见的加不定式做宾语的动词：agree,attempt,choose,claim,dare,decide,demand,determine,expect,fail,hate,hesitate,hope,hurry,intend,learn,manage,offer,plan,prepare,pretend,promise,refuse,seem,tend,threaten,want...Functionsobject02e.g.Pleaseshowushowtodealwiththehaze.Idon’tknowwhichonetochoose.疑问词+不定式(what/where/how/which/when/who/whether...)常用句型e.g.Ithinkitveryusefultolearnaforeignlanguage主语+v.+it+adj./n.+todosth.(believe/consider/feel/find/make/suppose/think...)ENGLISHLESSONTVtableloveonedogstartwoTheboyattempts_______(learn)alanguagebyhimself.tolearnTheparentsweredisappointed________(know)thattheirsonjustgaveupbeforehavingatry.I’mnotsurewhere______(go)afterbeingfired.togotoknowFunctionspredicative03e.g.

Allyouhavetodois___________(finish)thejobquickly.不定式常用在系动词be,seem,appear,get,remain等后作表语。e.g.Myjobistoprotecttheworld.Toseeistobelieve.（眼见为实）Myambitionistoworkforafirm...(to)finishFunctionsattribute04不定式作定语，与其修饰的名词的关系：主谓、动宾、同位后置e.g.

Idesiretohaveachance___________(watch)hisliveperformance.towatchFunctionsattribute04不定式短语做have,want,get,need等的宾语的定语时，当不定式的逻辑主语和句子主语一致时，用主动形式表被动含义。Ihavealotofhomeworktobedone.我自己做作业我找别人完成作业Ihavealotofhomeworktodo.Functionsattribute04当名词被thefirst,thelast,theonly,thenext等词以及形容词最高级修饰时，后常用不定式作定语。something,anything,nothing,everything等复合不定代词常用不定式作后置定语。Ihavesomethingtodothisafternoon.to

supporte.g.

Tomwastheonlystudent________(support)theplan.Functionsadverbial05目的、原因、结果等状语Hishusbanddiedin1995andhadnothinglefttoher,onlyleavingherthreechildren.onlytodo表意料之外的结果onlydoing表自然而然的结果✮Functionsadverbial05表目的inorderto,soasto,enoughto...e.g.Hespokeloudly(soas/inorder)

tobeheard.句首Functionsadverbial05e.g.I’mglad/pleased

toseeyou.Theboxisnoteasytocarry.Functionsadverbial05表结果so+adj./adv.+astodo…such+n.+astodo…adj./adv.+enough+todotoo+adv./adj.+todoe.g.Hewasso

foolishastobelieveit.=Hewassuchafoolastobelieveit.=Hewasfoolishenoughtobelieveit.Functionsobjectcomplement06v+object+todo/doHeadvisedmetotakethecourse.Iinviteyoutoattendtheconference.Jane’sfatherwantshertogotothemedicalschool.Isawherworkonthehomework.Ihearhisalarmbuzzeverydayinthemorning.常跟动词不定式作宾语补足语，这类动词有allow,advise,ask,call,cause,encourage,expect,force,get,help,invite,need,order,prefer,remind,teach,tell,train,want,warn等。Functionsobjectcomplement06以下动词后接不带to的不定式（bareINF）:1)不定式在感官动词(feel,hear,listento,see,watch,lookat,notice,observe)后；2)使役动词(let,have,make)后,但是在被动语态中要还原to。3)不定式用在介词but,except,besides后时,则前有do,后无to；前无do,后有to.e.g.Shecoulddonothingbutcry.

I

have

nochoice

buttogo.Functions独立主格05两部分：逻辑主语不定式-----表示前面名词或代词的状态或动作。PracticeIdentifyitsfunctionsubjectpredicativesubjectPracticeIdentifyitsfunctionattributeobjectobjectattributePracticeIdentifyitsfunction8.Ihadtoworkhardtoliveanormallife.9.SomedaysIamtootired

togetoutofbed.

10.Wemustcallonlocalgovernment

togivefinancialassistanceto

disabledpeople.adverbialadverbialENGLISHLESSONHellosuntitleTVdogflagtableloveappleorangeonedogstarskytwo04TenseandvoiceTenseandvoice形式主动被动一般式todotobedone完成式tohavedonetohavebeendone进行式tobedoing完成进行式tohavebeendoing以do为例01

Iamgladtoseeyou.Thefinalhomeworkneedstobesubmittedonline.

表示的动作通常与谓语所表示的动作或状态同时或者几乎同时发生，或是在它之后发生。todotobedone一般式Tenseandvoice02tohavedonetohavebeendone完成式Hehappenedtohaveseenthefilmbefore.ThenovelisbelievedtohavebeentranslatedintoChinese.不定式所表示的动作发生在谓语动作或状态之前。Tenseandvoice03tobedoing进行式Iamverygladtobeworkingwithyou.Hepretendedtobeworkinghardwhenhisbosspassedhim.表示的动作通常与谓语动词表示的动作同时发生。(不定式表述正在发生或持续一段时间的动作）Tenseandvoice04tohavebeendone完成进行式Hehappenedtohaveseenthefilmbefore.ThenovelisbelievedtohavebeentranslatedintoChinese.不定式所表示的动作发生在谓语动作或状态之前。（不定式表述正在发生或持续一段时间的动作）TenseandvoiceELlipsisandsubstitution在

expect,hope,wish,mean,prefer,want,try,uesdto,wouldlike/love等后常常使用to来代替前面的不定式，避免重复e.g.Ihaven’tbeentotheGreatWall,butIwishto.Hedoesn’tlikeplayingfootball,butheusedto.--Wouldyouliketogowithus?--Ihopeto,butIamtoobusy.ELlipsisandsubstitutione.g.--Didn’thetellyoutoattendthemeeting?--No,Ioughttohavebeen(told).承前不定式内有be或have的任何形式，要保留be或have或其相应的某种形式。totaketoenjoytooperatetoseeTofreetowatch单句改错(每小题仅有1处错误)9.HerwordsmademetofeellikeIwasacheat.10.Mymomtoldmehowtopreparingit11.HetellsmehowanswerallthequestionsinEnglish.12.Thiskindwomaniseasytogetalongandwealllikeher.13.Herworkistakegoodcareofthesepoorchildren.preparetotowith句型转换1.Thelittlegirlwastheonlyonethatsurvivedtheplane

crash.→Thelittlegirlwastheonlyone_________________________.2.Ifhethoughtthetaskdeserveddoing,hewoulddoit.→lfhethoughtthetaskdeserved