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1、Grammar：TheInfinitive动词不定式B7，Unit1LivingwellMartysays…2.Iusedtoclimbtrees,swimandplayfootball.3.ThenIstartedtogetweakerandweaker.HaveALkUnfortunately,thedoctorsdon’tknowhowtomakemebetter,butIamveryoutgoingandhavelearnedtoadapttomydisability.4.Evenafterall
2、that,noonecouldgivemydiseaseanameanditisdifficulttoknowwhatthefutureholds.5.Sometimes,too,Iwastooweaktogotoschoolsomyeducationsuffered.6.MyambitionistoworkforafirmthatdevelopscomputersoftwarewhenIgrowup.Martysays…Martysays…7.LastyearIinvented…andabigcompa
3、nyhasdecidedtobuyitfromme.8.Ialsohavetodoalotofwork,especiallyifIhavebeenawayforawhile.9.Justacceptthemforwhotheyare,andgivethemencouragementtoliveasrichandfullalifeasyoudo.动词不定式是动词的一种非谓语形式。由“to+动词原形”构成,其否定形式是“not/nevertodo”,不定式可以带宾语或状语构成不定式短语,没有人称和数的变化,但
4、有时态和语态的变化。不定式可以作主语、宾语、状语、表语和定语，但不能单独作谓语。动词不定式结构:todo(否定)not/nevertodo二.时态与语态主动语态被动语态一般式进行式完成式完成进行式不定式todotobedonetobedoingtohavedonetohavebeendonetohavebeendoing--------------------(1).Theypretendednottoseeus.(2).Hepretendedtobesleeping.(3).Shepretendedto
5、haveknownitbefore.(一般式表示与谓语的动作同时/几乎/发生在它之后.)(在谓语动词发生的同时,不定式的动作也正在进行)(完成式表示动作发生在谓语动作之前)(4).We’rehappytohavebeenworkingwithyou.(完成进行式表示谓语动作发生之前,不定式的动作一直在进行而且可能之后也继续)1.作主语2.作表语4.作宾语补足语3.作宾语5.作定语6.作状语7.作插入语三、用法Toseeistobelieve.It’simportanttolearnEnglishwell.
6、1.主语单个不定式作主语时,谓语动词用单数若不定式太长,往往用it作形式主语,不定式置后.Myjobtohelpthepatient.Yourtasktocleantheclassroom.isis2.表语Iwanttogohome.Theworkersdemandedtogetbetterpay.Ifounditnecessarytotalktohimagain.3宾语think/consider/findit+adj.+todo常接动词不定式作宾语的动词有：want,agree,afford,atte
7、mpt,choose,dare,decide,demand,deserve,determine,fail,expect,get,hate,hesitate,hope,intend,manage,offer,plan,prepare,pretend,promise,refuse,seem,tend,wish。Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.引导不定式作宾补的动词：warn,tell,allow,help,ask,
8、force等+sbtodosth4.宾补五看watchseelookatobservenotice(1.)使役动词：三使letmakehave二听listentohear一感觉:feel(2.)感官动词e.g.Imadehimdohiswork.Hewasmadetodohiswork(byme).注意(2.)help后面的“to”可省去e.g.Theyoftenhelpthegrandma(to)carrywater.(1.
