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1、NonfiniteVerbs(非谓语动词)不定式的作用不定式的时态和语态不定式的否定形式不定式一不定式的基本形式:1to+动词原形2不带的to不定式二不定式的否定形式not/nevertodo1Inordertogetmarried,I neededajob,andinorderto getajob,IneededaPhD.2Tomobservedastrangerenterhisfather’soffice.3Becarefulnottocatchacold.一。不定式的句法功能Grammaticalfunction作主语Toknowsomethinga
2、boutEnglishisonething;toknowEnglishisquiteanother.做那种事真是愚蠢.Todothatsortofthingisfoolish.=Itisfoolishtodothatsortofthing.常见的带形式主语it的句型：Itiseasy(difficult,important,possible,necessary,good,kind,wise,foolish…)+(for/ofsb)+todosth.Itisapleasure(pity,crime,anhonor…)todosth.Ittakes(sb.)s
3、ometime/courage/wisdom…todosth.Translation1.说比做容易。Itiseasiertosaythantodo.Itishappyforustostudyinthenewclass.Itisnotwiseofyoutolaughathimbehindhisback.2.对我们来说在这个新班级学习很快乐。3.你在背后嘲笑他是不明智的。2.theto-infinitiveusedasthe predicative不定式作表语Iamaresponsibleteacher.So,myjobistoteachyouEnglishw
4、ell.Themanfeltverytired.Andhiswishwastohaveagoodrest.不定式作表语时用来说明主语的内容、职业、职责或性质。作宾语１Freddidn’thaveanymoney,sohedecidedtolookforajob.２Hepromisednottotellanyoneaboutit.你知道后接不定式作宾语的动词有哪些吗？Makesentenceswant,intend,desire,hope,wish,expect,long;manage,learn,decide,determine;attempt,prete
5、nd,choose;offer，promise，refuse三想要，四希望，设法学会作决定。企图假装要选择，提供承诺勿拒绝。3IfinditinterestingtolearnEnglish.作定语Doyouhaveanythingtosay?有许多电视可供挑选．TherearealotofTVsetstochoosefrom.我们找到了一所房子住．Wefoundahousetolivein.frominTranslation1.她没有钱用，也没有地方住。2.她相信他是一生可以依靠的人。3.长郡中学是创造奇迹的地方。Shehasnomoneytousean
6、dnoplacetolivein.Shebelievedhewasthepersontodependon.Changjunmiddleschoolisaplacetomakewonders.１Theteachertoldusnottobesonoisyintheclass.２Iexpectyoutogivemesomehelpintheexperiment.作宾语补足语ask,beg,tell,teach;要想请求先教会encourage,invite.若要鼓励先邀请advise,persuade;首先建议再说服allow,order,require,fo
7、rce,forbid;五个许可或禁令want,wish,wouldliketo,prefer,expect;六个期待或想要asksb(not)todosth1.Theteacheraskedus_____muchnoise.A.don’tmakeB.notmakeC.notmakingD.nottomake2.I_____himtogiveupsmoking,buthewouldnotlisten.A.persuadedB.advisesC.suggestedD.provided①表目的：Heworkeddayandnightinorderto/soast
8、ogetthemoney.注意不定式放句首时，逻辑主语与句子主语要
