非谓语动词有3种形式

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1、非谓语动词有3种形式：不定式、动名词和分词Ⅰ不定式具有名词、形容词和副词的性质 主动被动一般式todotobedone进行式tobedoing 完成式tohavedonetohavebeendone一作主语1.Toseeistobelieve.2.It’sdifficult(forus)tolearnEnglish.3.It’sfoolishofhertobelievehim.=Sheisfoolishtobelievehim.二作表语1.Hisaimistowinthefirstprize.2.Allwecandois(to)wait.One’sdream/aim/ambition

2、/wish/Thefirststep/WhatIwanttodoisto…三作宾语1.Hedemandedtobetoldthetruth.2.Hepretendedtobedoinghishomework/tohavefallenasleepwhenMothercamein.（decide/fail/manage/refuse/pretend/choose/agree/hope/plan/promise/makeupone’smind+todo）3.Idon’tknowwhattodo.（decide/findout/know/learn/consideretc+疑问词+todo）

3、4.Anyonecanbecomeabetterscholarifhewantsto.5.---Areyouonholiday?---No,butI’dliketobe.四作宾补或主补1.I’llhavehimsaysomethingatthemeeting.havesbdo=getsbtodofeel;hear/listento;let/have/make;see/watch/lookat/notice/observesbdo但被动语态要+to,let例外Listentomereadthetext.Heisoftenlistenedtotosingthesong.Hewasletg

4、obythepolice.2.Heorderedhismentofire.wish/advise/persuade/allow/permit/want/tell/ask/expect/order/require/requestsbtodosuggest/hope/agree/demand/arrangesbtodor3.Heissaidtobedoingtheworkofnextyear.It’ssaidthatheisdoingtheworkofnextyear.sb+seem/appear/happen/besaid/bereported/beknown/befound/bebe

5、lieved+todo/tobedoing/tohave(been)done4It+seem/appear/happen/besaid…/bebelievethat….六作定语1.Ihavealotofworktodo/nopentowritewith.2.thefirsttocome/tobeawardedtheNobelPrize3.thelastpersontodosuchathing最不愿意做…的人4.thehousetobebuiltnextyear比较:thehousebeingbuiltnow/buildlastyear七作状语(目的、原因、结果或条件）目的to/ino

6、rderto/soasto结果enoughto/too…to/so…asto/such…asto/onlyto1.Thebusstoppedtopickuppassengers.2.Hesetoutearlyinorderto/soastocatchthefirstbus.=Inorderto/Tocatchthefirstbushesetoutearly.3.I’msorrytohavekeptyouwaiting.4.Ihurriedtoschoolonlytobetolditwasaholiday.onlytodosth表示出于预料之外的结果不定式的否定形式Shekeptsil

7、entabouttheaccidentsoasnottolosehisjob.不定式的完成和被动式ThebookseemstohavebeentranslatedintoEnglish.但是:Thebookisdifficulttounderstand.Ihavealettertowrite/alotofworktodo.Heistoblamefortheaccident.Ⅱ动名词具有名词的性质 主动被动一般式doingbeingdone完成式having