Unit1ArtDiscoverUsefulStructures不定式作表语课件-高中英语人教版选择性

Unit1ArtPeriod4(Discoveringusefulstructures)不定式作表语不定式的形式:一.基本形式：

_______________二.其否定形式是:__________________________主动语态被动语态一般式进行式完成式(发生在V谓之前)

todo

tobedone

tobedoing

tohavedone

tohavebeendone

---------todonottodoTask1Observegrammar1.OurgoalistodisplaytheChineseartisticgeniusfromancienttimes.2.PerhapsthebestwaytounderstandWesternart

istolookatthedevelopmentofWesternpaintingoverthecenturies.3.DuringtheMiddleAges,thepurposeofWesternartwastoteachpeopleaboutChristianity.4.Inthiswork,Monet’saimwastoconveythelightandmovementinthescene.5.Whattheyattemptedtodowasnolongershowreality,butinsteadtoaskthequestion,“Whatisart?”infinitives常用不定式作表语的几种情况

Tip1.主语是目标与计划:aim,goal,purpose,plan梦想与希望:dream,wish,hope建议:suggestion,advice,proposalwhat引导的名词性从句后加todo充当表语，用来说明主语的内容Mydreamis___________(become)apainter.MysuggestionaboutimprovingEnglishis________________(memorize)wordseveryday.Mydutyis____________(help)mystudentsimprovetheirEnglish.Mynextplanis____________(take)partinacompetition.WhatIdesiremostis__________(travel)aroundtheworld.tobecometomemorizetohelptotaketotravelTip2：seem,appear,remain,prove,turnout后加动词不定式。Severalproblemsremain

.WhenIenteredtheroom,sheseemed

(read)anovel.tobereadingSomethingproved

(go)wrongwiththatwashingmaching.tohavegonetobesettledToaskhimesuchquestionsistoirritate(使不耐烦)him.Toseeistobelieve.Tohearistoobey.Tip3：主语为不定式，be动词后也要用不定式充当表语，以保持一致Asscheduled,weare_________(learn)ReadingpartinUnit1tomorrow.Whenhecomes,Iam_________(tell)himtheurgentmessage.Youmustbepatientandpersistentifyouare___________.如果你想成功，你必须有耐心和恒心。⑧Youare_________(have)aface-to-facetalkwiththem.你必须得和他们进行一次面对面的谈话。Tip4：betodosth.表示将要做某事tolearntotelltosucceedtohaveTip5.当主语包含定语从句,且先行词为代词all,或者主语被序数词、或theonly,thelast或形容词最高级

时，其后可接“系动词+不定式”作表语Allhewantedwastositonthegrassanddrinksomewater.ThebiggestchallenggeIfaceinlearningEnglishistomemorizewords.Allhewantedwas____________.他只想一个人待着(leavealone)。TheleastIcandotohelpis________________.

我所能帮的最起码的事是借给她一辆车。tobeleftalone(to)lendheracar动词不定式作表语省略to的情况3.晚上他做过的唯一的事是读报纸。Allweneedtodois

(to)live

eachdaywithhope.Whattheyattemptedtodowas

(to)draw

public

attention.Theonlythinghedid

inthe

evening

was

(to)

read

the

newspaper.一般情况下不定式符号to不能省略，但当主句主语部分含有实义动词do的某种形式(do/does/did/done)时，可省略作表语的动词不定式（短语）里的不定式符号to:

1.我们需要做的就是怀有希望过好每一天。2.他们试图做的是引起公众关注。不定式作表语强调的是________________________的动作动名词作表语强调的是_______________________的动作①Ourworkis

(serve)thepeople.②Myjobtodayis___________(clean)theclassroom.Hisjobistopaintthewallswithintwohours.Hisjobispaintingwalls.暂时的工作日常的工作servingtoclean一次性、具体的、将要发生一般性、抽象的、经常发生动词不定式作表语和v-ing作表语的区别动词不定式作表语1.

当主语是建议、目标与计划、梦想与愿望、职责时，表示主语的内容，2.

系动词为remain\seem\appear\prove\turnout时。4.betodo表将来3.

主语为todo时，表语也用todo以保持一致Summary5.主语有all,形容词最高级；序数词；thelast、theonly等Exercise11.Anotherwayofsettingrealisticgoalsis___________(analyze)yourshortandlongtermobjectives,keepinginmindyourbeliefs,valuesandstrengths.2.In1963,theUNsetuptheWorldFoodProgramme,oneofwhosepurposesis_______________(relieve)worldwidestarvation.3.Allwehavetodois___________(push)thebutton.4.Officialsbelievethatmorethanonepersonmaybe____________(blame)forthefire.5.Mydeskmateshowednoanxietyinfaceofthecompetition;sheseemed________________(prepare)foritprettywell.6.Supposeyouare_________（be）ajournalistforChinaDaily，doyouknowwhatkindsofjobstheyhave?toanalyzetorelieve(to)pushtoblametohavepreparedCompletethesentencesandtranslate.tobe用五句话表达你的梦想。（使用不定式作表语）Mybiggestdream/ambitionisto...IthinkallIhavetodois(to)....Myplanisto....Ithinkoneofthehardestthingsmightbeto...Iguessthebestway

to...isto…Exercise2

Exercise2

1.Mybiggestambitionis________________________________.2.IthinkallIhavetodois____________________________.3.Mylatestplanisto__________________________________.4.

Ithinkoneofmybiggestchallengemight

be___________________________________.5.IguessthebestwaytolearnEnglishis________________tobeadmittedintoakeyuniversity.tomemorizeallthenewwordsinthisunit.finishmyhomeworkcarefully.(to)studyharder.toreadmore3.Whileregularlyeatingoutseems

(become)commonformanyyoungpeopleinrecentyears,itisnotwithout

acost.4.Dozensofpeoplearesaidto

(trap)undertherubble(瓦砾)whenthebuildingscollapsed.5.Doletyourmotherknowallthetruth;sheappears

.(tell)everything.tohavebecomehavebeentrappedtohavebeentold练一练___________________thatjob,youmusthaveleftanotherjob.(take)Thelittlekidcame_________towardsme.(run)Isshewellenough_________?（travel）__________byherlastletter,theyhadawonderfultimethere.(judge)__________fromhistone,thereisnodoubtthatheisagainstit.(judge)Itismucheasier__________withlasttime.(compare)_________inthought,hestoodthereforalongtimeandatlastasmilelituphisface.(lose)_________intheirgame,thechildrendidn’tfeelh