会计学动词(dòngcí)不定式不定式由“to+动词原形”构成,其否定形式是“not/nevertodo”,不定式可以带宾语或状语构成不定式短语,没有(méiyǒu)人称和数的变化,但有时态和语态的变化。不定式可以作主语、宾语、状语、表语和定语，但不能单独作谓语。结构(jiégòu):todo(否定)not/nevertodo(1).Theypretendednottoseeus.1.作主语(zhǔyǔ)三.用法(yònɡfǎ)/功能Iwanttogohome.Theworkersdemandedtogetbetterpay.Ifounditnecessarytotalktohimagain.Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.e.g.Imadehimdohiswork.3>不定式用在介词but,except,besides后时,如果这些(zhèxiē)介词前有行为动词do的各种形式,那么介词后的不定式不带to,相反则带to.Ihavesomethingtosay.Hehasalotofhomeworktodo.Heislookingforaroomtolivein.Thereisnothingtoworryabout.Icameheretoseeyou.Hegotupearlytocatchthetrain.(7).独立(dúlì)结构(8)不定式与疑问词who,which,when,how,what等连用，在句中起名词(míngcí)作用，可充当主语、表语、宾语等。关于(guānyú)不定式中的小品词toSummaryexerciseMyteacherwasmade_____histeachingbecauseofpoorhealth.givingupB.togiveupC.giveupD.givenup2.TheArcticisconsidered____thenorthernpartoftheAtlantic.havingbeenB.tohavebeenC.tobeD.being3.TheEmperororderedthewonderfulcloth_____forhimwithoutdelay.tohavewovenB.tobewovenC.tobeweavingD.toweave4.IfoundtheGermanlanguagehard____.learnedB.learningC.tobelearnedD.tolearn5.—Thelightintheofficeisstillon.---Oh,Iforgot______.turningitoffB.turnitoffC.toturnitoffD.havingturneditoff6.---Whatdoyouthinkoftheschool?----Itisaverygood_____.schooltostudyinB.schoolforchildrentostudyC.studyingschoolD.schooltostudy7.---Didyougetajob?---No,I___,butit’snouse.expectedB.triedtoC.managedtoD.planned8.Wefinditimpossibleforthework___aheadoftime.tofinishB.finishingC.beingfinishedD.tobefinished9.---IusuallygotoShanghaibytrain.----Whynot___therebyboatforachange?totrytogoB.trygoingC.totrygoingD.trytogo10.___aliving,shehadtoworkfrommorningtillnight.TomakeB.MadeC.MakingD.Tohavemade11.Iwouldratherstarvetodeaththan___forfood.begB.beggingC.beggedD.tobeg12.Theboypretended____whenhismotherentered.readingB.toreadC.tobereadingD.beingread几对易混淆的词组：stoptodosth.停止去做某事doingsth.停止正在做．．．forgettodosth.忘记去做．．．doingsth.忘记已做了．．．remembertodosth.记得(jìd