会计学情态(qíngtài)动词+havedone注意:could+havedone具有两层意思①表示对过去发生的事的揣测,可与can互换.②表示对过去能做的事而没有做,不可(bùkě)与can替换.意为:“本来可以做/能做”有时含有责备(zébèi)或遗憾的意思.3)may/mighthavedone表示(biǎoshì)推测,可能性更小,主要用于肯定句.译为:“或许”4)shouldhavedone表示本应该做但却未做,含有“后悔(hòuhuǐ),遗憾,责备,批评”之意.5)needn’thavedone表示“本来(běnlái)用不着,本不必”之意.情态动词(dòngcí)巩固练习2.Ididn’tseeherinthemeetingroomthismorning.She____atthemeetingA.mustn’thavespokenB.shouldn’thavespokenC.needn’thavespokenD.couldn’thavespoken3.He___youmorehelp,eventhoughhewasbusy.A.mighthavegivenB.musthavegivenC.canhavegivenD.maygive4.---Isawourteacherintheofficejustnow.---You___her,sheisstillabroad.A.can’thaveseenB.mustn’thaveseenC.needn’thaveseenD.shouldn’thaveseen5.Kateisalreadytwohourslate.What____toher?A.canhavehappenedB.mayhavehappenedC.shouldhavehappenedD.musthavehappened6.We___lastnight,butwewenttotheconcertinstead.A.musthavestudiedB.mightstudyC.shouldhavestudiedD.wouldstudy7.Therewasplentyoftime.She___.A.mustn’thavehurriedB.couldn’thavehurriedC.mustn’thurryD.needn’thavehurried8.Sorry,I’mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will9.Yesterday,Janwalkedawayfromthediscussion.Otherwise,she___somethingshewouldregretlate.A.hassaidB.saidC.mightsayD.mighthavesaid10.---Didyouscoldhimforhismistake?---Yes,but____it.A.I’drathernotdoB.I’dbetternotdoC.I’dbetternothavedoneD.I’dratherhavenotdone11.Ididn’thearthephone.I___asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen12.Janny___havekeptherword.Iwonderwhyshechangedhermind.A.mustB.shouldC.needD.would13.Tomoughtnotto____meyoursecret,buthemeantnoharm.A.havetoldB.tellC.betellingD.havingtold14.----CouldIborrowyourdictionary?----Yes,ofcourseyou____.A.mightB.willC.canD.should15.----Shallwegoskatingorstayathome?----Which___doyourself.A.doyouratherB.wouldyouratherC.willyouratherD.shouldyourather16.ItoldSallyhowtogethere,butperhapsI____forher.A.hadtowriteitoutB.oughttowriteitoutC.musthavewritteni