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1、高中英语同步辅导Book2AUnit1动词不定式的用法ByEdison1.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。Howtogetenoughmoneyisstillaquestion.Tomakeaplanforourstudyisveryimportant.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。Itwilltak
2、eawholedaytogettherebycar.Itisimportanttomakeaplanforourstudy.Itisimpossibleformetofinishtheworkinaweek.2.动词不定式作宾语动词不定式作宾语常用于下列及物动词后:want,agree,decide,manage,wish,hope,ask,like,love,choose,promise,continue,plan,learn,expect,offer,prepare,refuse,pretend,att
3、empt,intend,threaten,seek,hesitate,long,desire,fail等等。Hepromisedtocomebuthehasn’tturnupyet.TheboysarelongingtowatchtheWorldCup.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,forget等goontodosth.继续做另一件事goondoingsth.接着做同一件事Afterash
4、ortrest,theywentondoingthework.Afterfinishingthehomework,thestudentswentouttoplayfootball.regrettodosth.遗憾地做某事regretdoingsth.后悔作了某事Iregrettosaythatyouhaven’tpassedtheexam.Iregrethavingtoldhimaboutit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
5、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。如果是动宾关系,不定式主动表示被动。Hewasthelastonetoleaveschoolyesterday.Wehavemuchhomeworktodoeveryday.4.动词不定式作表语动词不定式常放在系动词(be动词)后作表语,
6、有时也放在其他少数连系动词如:remain,seem,sound等后。当表语是动词不定式时,作主语的谓语动词也只能是动词不定式,即主语和表语结构要一致或对称。Hisplanistospendafewdaysinthecountryside.Heappearstohavecaughtcold.Toseeistobelieve当表语是动词不定式时,作主语的谓语动词也只能是动词不定式,即主语和表语结构要一致或对称。当主语部分有动词实义do的某个形式时,做表语的动词不定式可以省略to。Theonlythingwec
7、andoiswaittillhecomesback.Wecandonothingbutwait.5.动词不定式作宾补常要求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You’dbettergetTomtodoit.Shedoesn’tallowmetousehercomput
8、er.Theteachertoldhimnottobelateagain.Heinvitedustoattendhisbirthdayparty.(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。Theteacherhadu