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Grammarandusagedoingtodov-edv-ing时态形式主动语态被动语态用法一般式表示动作与谓语动词的动作同时发生或在其后发生进行式表示谓语动词的动作（情况）发生时，不定式所表示的动作正在进行完成式表示动作在谓语动词的动作之前(not)(not)(not)(not)(not)即时演练：用所给动词的适当形式填空1.Don’twaitforhim.Heissaid__________(go)toShanghai.2.Youaresupposed__________(sleep)now.Whyareyoustillintheoffice?3.Theresultseems__________(come)outinamoment.Pleasebepatient.4.Inorder__________(choose)inthefirstround,thegirlmadecarefulpreparationsforthesingingcompetition.5.Hisnovelissaid__________(translate)intoseveralforeignlanguagesandsellverywellacrosstheworld.tohavegonetobesleepingtocometobechosentohavebeentranslated动词不定式在句中的作用动词不定式Todothatsortofthingisfoolish。Iwanttoseeyouthisevening.Allyouhavetodoistofinishitquickly.Wefoundahousetolivein.ShecameheretostudyEnglish.Iwarnedthepatientnottoeatcoldwateraftertheoperation.subjectobjectpredicativeattributeadverbialobjectcomplement作主语Tomasteraforeignlanguageisreallyimportantnowadays.Togiveupsmokingisright.1.当今掌握一门外语真的很重要。2.放弃吸烟是对的。Itisreallyimportanttomasteraforeignlanguagenowadays.Itisrighttogiveupsmoking.注意句首作宾语Freddidn’thaveanymoney,sohedecided/determinedtolookforajob.Hepromisednottotellanyoneaboutit.1.Fred没有钱，所以他决定找一份工作。2.他答应不告诉任何人这事。Vt.之后决心学会和希望：设法假装再拒绝：主动答应选计划：同意请求帮一帮：Thefollowingverbsarenormallyfollowedbytheinfinitive.Remember!decide/determine,learn,hope/wish/expect,wantmanage,pretend,refuseoffer,promise,choose,planagree,ask/beg,help外加afford,fail,happen,wouldlike/love,threaten注意常用句式：think/find/feel/make/believe/consider+it+adj./n.+todo1.我认为学英语是有必要的。IthinkitnecessarytolearnEnglish.Ithink(that)itisnecessarytolearnEnglish.2.HisdreamwasthattheOlympicGameswouldmakeitpossibleforcountriesandpeopletolivepeacefullysidebyside.形式宾语作表语MyjobistoteachEnglish.Themathproblemseemstobedifficult.1.我的工作是教英语。2.这道数学题似乎很难。系动词之后注意作定语1.Betty是第一个知道这真相的人Bettywasthefirsttoknowthetruthn./pron.之后*当名词被序数词，next,last,only等修饰时，常用todo作后置定语。2.于明天举行的那个会议很重要。Themeetingisimportant.tobeheldtomorrowheldbeingheld*todo作后置定语，可以表示将来。yesterdaynowwhich/thatwillbeheldtomorrowwhich/thatwasheldyesterdaywhich/thatisbeingheldnowItseemsthathehasnopen______.A.towriteB.towritewithC.writingD.writingwith注意如果作定语的不定式用作不及物动词，其后应加上必要的介词Eg.Ihavenoone___________.(talk)Passmeapieceofpaper____________.(write)totalktotowriteon时态形式主动语态被动语态用法一般式表示动作与谓语动词的动作同时发生或在其后发生进行式表示谓语动词的动作（情况）发生时，不定式所表示的动作正在进行完成式表示动作在谓语动词的动作之前Findtheinfinitivesandtheirfunctions.1.Shewantedtoborrowmybike.2.Tomakeaplanfirstisagoodidea.3.Haveyougotanythingtobetakenfromtheshop?4.It’sbadmannerstostareataforeignguest.5.ShefounditquiteimportanttolearnEnglishwell.6.Hiswishwastobecomeascientist.wasChoosethebestanswers.1.Paulsaid,“Givemeachair_____.”A.tositB.sitC.sitonD.tositon2.---Ididn'thearyoucomeinlastnight.---That'sgood.Wetried_____noisy.A.notbeB.nottobeC.tobenotD.tonotbe3.It'sveryfoolish_____it?A.foryoutosayB.ofyoutosayC.withyousayingD.inyoursaying4.Thatbeggarseems_____anythingyesterday.A.nottohaveeatenB.nottoeatC.didn'teatD.tohavenoteaten1.ThemothertaughtherlittledaughtersinginganEnglishsong.2.Toseeisbelieve.3.Suchpeoplearetoberespecting.4.Itremainstoseewhethertheywillenjoyit.5.Hepretendedtohavenotseenme.Correctthemistakes.tosingto/Seeingisbelieving.respectedtobeseen1.Ithappenedthatyouhadknowneachotherbefore.Youhappenedtohaveknowneachotherbefore.2.Itissaidthatthirteenisanunluckynumber.Thirteenissaidtobeanunluckynumber.3.Itisbelievedthathefaceddifficultieswithspeechduringchildhood.Heisbelievedtohavefaceddifficultieswithspeechduringchildhood.Changethesentencepatterns.4.IhopethatIwillbeanastronautsomeday.Ihopetobeanastronautsomeday.5.Thegirlgotupearliersothatshecouldgothereontime.Thegirlgotupearliersoastogothereontime.1.Reviewtherulesabouttheinfinitivelearnedtoday.2.Findmoreexamplesabouttheinfinitivefunctionsasadverbialandobjectcomplement.