高二英语Unit 9 Saving the earth课件3人教版 课件VIP免费

高中英语Book2AUnit1动词不定式的用法1.动词不定式的用法1.作主语2.作宾语3.作定语4.作表语5.作宾补6.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.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。Itwilltakeawholedaytogettherebycar.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,attempt,intend,threaten,seek,hesitate,long,desire,fail等等。Ihavelearnedtodrivethecar.Hepromisedtocomebuthehasn’tturnupyet.Hepretendedtobereadingwhenhismothercameintohisroom.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trytodosth.尽力去做某事trydoingsth.试一试，试试看Tryknockingatthebackdoorifnobodyhearsyouatthefrontdoor.Trytogetthereontime.meantodosth.打算做某事meandoingsth.意味着做某事Iwon’twaitifitmeansdelayingaweek.Imeanttohelpyou,butIwasbusyatthatmoment.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Irememberreadingthestoryinsomebook.Remembertoposttheletterformewhenyougotothepostoffice.stoptodosth.停下来去做某事（表目的）stopdoingsth.停止做某事（作宾语）IsuggestweshouldstoptohavearestThestudentsstoppedtalkingwhentheteachercamein.goontodosth.继续做另一件事goondoingsth.接着做同一件事Afterashortrest,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。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，有时也放在其他少数连系动词如：remain,seem,sound等后。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。5.动词不定式作宾补常要求跟动词不定式作宾语的动词有：（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’tallowmetousehercomputer.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。Theteacherhadusrecitethetexteveryday.Iwaslettodotheexperimentalone.Washenoticedtoleavethehouse?动词不定式在主动语态中用省to的形式作宾补，但在被动语态的句子中，要用带to的形式作主语补语。（3）有的动词后可...