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1、GrammarinfinitiveUnit2To-infinitive做演讲很累。我想问您一个很难的问题。爱因斯坦收到很多邀请，邀他去阐述自己的理论。他的母亲逼迫他离开家。为了容纳更多人，上海音乐厅被扩建。老实说，我很高兴。他似乎坐在那里，专注地思考着。Togivelecturesistiring.I’dliketoaskyouadifficultquestion.Einsteinreceivedmanyinvitationstoexplainhistheories.Hismotherforcedhimtoleavehome.Toseatmorep
2、eople,theShanghaiConcertHallwasmadelarger.Totellyouthetruth,Iwashappy.Heseemedtobesittingthereandthinkinginconcentration.动词不定式由“to+动词原形”构成不定式在句中可做主语、宾语、宾语补足语、定语、状语、表语和独立结构等，但不能单独作谓语。ThefunctionsofTo-infinitive1.作主语2.作宾语3.作宾语补足语4.作定语5.作状语6.作表语7.作独立成分8.与疑问词等连用1._________和_______
3、__都可以作主语动名词多指抽象的，概念性的动作，或者是多次经常性的行为不定式多表示具体的动作，尤指是某一次的动作。Eg:___________________________isdangerous.玩火很危险。另外，并行结构问题__________isbelieving.______istobelieve.眼见为实。Playingwithfire/ToplaywithfireSeeingToseetodosthdoingsth1.作主语2.动词不定式做主语时，为了句子平衡，通常用it做形式主语，而把不定式放在谓语之后。例如：It’s+adj.(ea
4、sy,difficult,hard,important,possible,impossible,comfortable,necessary,betteretc.)forsb.todosth.It’s+adj.(nice,stupid,rude,clever,foolish,thoughtful,thoughtless,brave,considerate,silly,selfishetc.)ofsb.todosth.3、Ittakessb.sometimetodosth.Ittakesmethreehourstofinishthehomeworkev
5、eryday.作主语我每天花去三个小时完成家庭作业。Ispendthreehoursfinishingthehomeworkeveryday.4、Itcostssbsomemoneytodosth.----Itcostme100yuantogettheTVsetrepaired.5、Itis+n.(forsb)todosth.ItismypleasuretohelpyouwithyourEnglish.作主语good/badmanner,pity,shame,pleasure_________hasnotbeendecidedyet.什么时候动身还
6、没有决定呢。_____________ortakeatrainisstillaproblem.是自驾车还是乘火车仍是一个问题6.“疑问词+todo”WhentoleaveWhethertodrive二、不定式作宾语(1)请牢记下列小诗：决心学会想希望，拒绝设法愿假装。主动答应选计划，同意请求帮一帮。decide/determine/makeupone’smind/bedetermined,learn,want/wouldlike/desire,expect/hope/wish,refuse,manage,care,pretend,offer,pro
7、mise,choose,plan/prepare,agree,ask/beg,help,afford,strive,attempt等也要用不定式作宾语。例如：①Shepretended__________(notsee)mewhenIpassedby.②Weagreed___________(meet)herebutsofarshehasn’tturnedupyet.③Inordertogainabiggershareintheinternationalmarket,manystate–runcompaniesarestriving_______(
8、make)theirproductsmorecompetitive.nottoseetomeettomaketodo/do
