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1、Book7unit1动词不定式蒋慧明Teachinggoals1.Tolearnthetensesandpassivevoiceoftheinfinitives.2.ToenablethestudentstomasterhowtousetheInfinitives.3.Tocultivatethestudents’co-operativeabilities.1.Unfortunately,thedoctorsdon’tknowhowtomakemebetter.2.butIamveryoutgo
2、ingandhavelearnedtoadapttomydisability.3.ThenIstartedtogetweakerandweaker,untilIcouldonlyenjoy...4.Itisdifficulttoknowwhatthefutureholds.5.Iwastooweaktogotoschoolsomyeducationsuffered.Readthefollowingsentences.Discussion1.Whatdothesentenceshaveincomm
3、on?2.What’sthedefinitionoftheInfinitive?3.What’stheformationoftheInfinitive?4.What’sthefunctionoftheInfinitive?不定式由“to+do(动词原形)”构成,其否定形式是“nottodo”,不定式可以带宾语或状语构成不定式短语,在句子中作______,_____,_____,_____,_____,_____或_________。不定式没有人称和数的变化,但有_____和_____的变化。独立
4、结构主语表语宾语宾补定语状语时态语态Summary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--------------------不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。(1).Theypretendednottoseeus.(2).Hepretendedtobesleeping.(3).Sh
5、epretendedtohaveknownitbefore.(一般式表示与谓语的动作同时/几乎/发生它之后.)(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).I’mhappytohavebeenworkingwithyou.(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)不定式（todo）的功能1)Itisrighttogiveupsmoking.2)Shewantedtoborrowmybike.3)Heneedsaroo
6、mtolivein.4)Icameheretoseeyou.5)Iaskedhimtodotheworkwithme.6)Mywishistobecomeadoctor.主语宾语定语状语宾补表语三、功能(1).主语______________（写这本书）tookhimaweek.It’simportant_________________（学好英语）.若不定式太长,往往用it作形式主语,不定式置后.Swimmingismyfavorite,buttoswimintheriveristerribl
7、e.注意：(doing作主语表示抽象的、经常性的行为;todo表示具体的、特别是将来的动作。)比较：TowritethisbooktolearnEnglishwell(2).表语Mydreamis_________________.（当医生）Yourtaskis______________________.(清洁课室)tobecomeadoctortocleantheclassroom比较：Myhobbyiskeepingpets.Whatyousaidisreallyinspiring.注意：
8、todo作表语,解释说明主语的内容，也可表示将来的动作。doing作表语时，表示主语的性质或状态。(3)宾语Iwant_______________(回家).Idecided_________________________.(要回我的钱)Ifounditnecessary_____________________.togohometoaskformymoneybacktotalktohimagain(和他再谈谈)think/consider/findit+adj.+todohope,refus
