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1、动词不定式1.动词不定式的用法作主语作宾语作定语作表语作宾补作状语动词不定式2.动词不定式的时态和语态3.巩固练习1.动词不定式作主语动词不定式作主语，谓语动词用第三人称单数。Togettherebycarwilltakeawholeday.Howtogetenoughmoneyisstillaquestion.1.动词不定式作主语有时候为了保持句子平衡，常用it作形式主语，放到句首，而将作真实主语的动词不定式放到句末。Itwilltakeawholedaytogettherebycar.Itisimpossibleformetofinishtheworkina
2、week.2.动词不定式作宾语动词不定式作宾语常用于下列动词后：want,agree,decide,manage,wish,hope,ask,like,love,choose,promise,continue,plan,learn,expect,offer,prepare,refuse,pretend,attempt,intend,threaten,seek,hesitate,long,desire,fail等等。动词不定式作宾语应注意的问题1.有些动词后跟动词不定式和动名词作宾语意义截然不同try,goon,stop,mean,regret,remember,
3、forget等trytodosth.尽力去做某事trydoingsth.试一试，试试看Tryknockingatthebackdoorifnobodyhearsyouatthefrontdoor.Trytogetthereontime.forgettodosth.忘了去做某事forgetdoingsth.忘了做过某事IforgettellingheraboutitIforgettobringthepursewithmewhenIlefthomethismorning.remembertodosth.记住去做某事rememberdoingsth.记得做过某事Ire
4、memberreadingthestoryinsomebook.Remembertoposttheletterformewhenyougotothepostoffice.动词不定式作宾语应注意的问题2.如果不定式作宾语而后面又有一个宾语补足语，这时要用it作形式宾语而把这个动词不定式放到补语后。Ifeelitmydutytohelpyou.Ioncethoughtitimpossibleforustofinishthejobinsuchalimitedtime.3.动词不定式作定语动词不定式作定语，它与所修饰的名词或代词可能是主谓关系，也可能是动宾关系。如果是动
5、宾关系，不定式主动表示被动。Hewasthelastonetoleaveschoolyesterday.Wehavemuchhomeworktodoeveryday.4.动词不定式作表语1．主语和表语都是不定式（其含义往往一是条件，一是结果），如：Tobekindtotheenemyistobecrueltothepeople.Todothatwouldbetocutthefoottofittheshoe.2．主语是以aim,duty,hope,idea,intention,mistake,plan,proposal,job,suggestion等为中心词的名词
6、词组，或以what引导的名词性从句表示，表语用不定式说明其内容，如：Myideaistoclimbthemountainfromthenorth.Mysuggestionistostartworkatonce.WhatIwouldsuggestistostartworkatonce.注：在某些句型中，当主语部分有动作动词do时，作表语的不定式可以省略符号“to”，如：Allwehavetodoispushthebutton.TheonlythingIcandonowisgoonbymyself.AllIcoulddowassendhimatelegram.5.动
7、词不定式作宾补常跟动词不定式作宾补的动词有：（1）可接带to的不定式作宾补的动词有：ask,get,allow,forbid,prefer,force,inspire,advise,cause,tell,order,warn,teach,permit,wish,invite,encourage等（2）可跟省to的动词不定式作宾补的动词有：在部分感官动词和使役动词后，如：see,watch,notice,observe,lookat,listento,feel,make,let,have注：help后可跟省to或带to的不定式作宾补。Theteacherhadus
8、recitethetex
