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1、中考专题：动词不定式的构成不定式的基本形式为：to+动词原形，有时可以不用to，这里的to是不定式，本身无词义；它的否定形式是:nottodo.(1)常见的带to的不定式的动词有：打算想要学会它;(plan,want/wouldlike,learn)希望同意来选择;(hope/wish,agree/promise,choose)+todo准备决定被拒绝;(prepare,decide/determine,refuse)设法假装未做到.(manage,pretend,fail)askAsk,teach,allow,advise,persuade,require
2、,tell,cause,invite，encourage，enable，expect+sb+todo小练习：Heaskedme______tohisbirthdayparty.A.togoB.goC.goesD.went(2)常见不带to的动词可以总结为：“五看”：see,watch,notice，look，observe“三使役：have,make,let“两听”：hear,listento“一感觉”：feel“半帮助：help**NOTE:这些动词用于被动语态时to是不省略的。例如：Iwasmadetodohomework.还有在固定词组hadbette
3、r之后。注意:hadbetter的否定形式是hadbetternotdosth.。例如:Youhadbettergohomenow.你最好现在回家。小练习：1.Somuchworkusuallymakesthem_______verytired.A.tofeelB.feelsC.feelingD.feel2.Manyboysandgirlsaremade______whatthey’renot______.A.todo,interestedB.todo,interestedinC.do,interestedinD.doing,interested3.Wesa
4、whim__________thebuildingandgoupstairs.A.toenterB.enterC.enteringD.entered4.WhenIwaswalkinginthestreet.Isawaplane______overmyhead.A.fliesB.flyingC.flewD.tofly5.You'dbetter________yourcoat.It'scoldoutside. A.putonB.toputonC.puttingonD.putson二.句法功能功能例句说明主语TospeakEnglishisnoteasyforu
5、s.=ItisnoteasyforustospeakEnglish.做主语用的不定式，常常用it作形式主语，而把不定式放在后面。表语Myworkistocleantheroomeveryday.=Tocleantheroomeverydayismywork.多数情况下，不定式作表语，可转换为做主语。宾语----Whatsportsdoesheliketoplay?----Helikestoplaybasketball.只能做某些动词的宾语，一般不作介词的宾语。宾补SheaskedmenottospeakChineseinanEnglishclass.在mak
6、e,let,see,hear,watch等使役、感官动词后，不定式可省略。定语Haveyougotanythingtosay?不定式作定语，要放在所修饰词的后面。状语I’msorrytotroubleyou.不定式作状语，其逻辑主语要和句子的主语要一致。(1)考查动词不定式做主语 1.________isdifficulttoworkontheGreatWall. A.ThisB.ItC.ThatD.Its2.It'snice________you________mewithmymaths.A.for;tohelpB.for;helpingC.of;to
7、helpD.of;helping(2)考查动词不定式作表语：1.Hisambitionis__________________A.ateacherB.tobeateacherC.tobeteacherDteach (3)考查动词不定式作宾语 1.Theydecided________attheendofthismonth. A.toleaveB.goingC.travelD.notstartout 2.Allofusfound________difficulttoworkoutthemathsproblem. A.whatB.thatC.whichD
8、.it 3.Pleasestop________a
