13 - 一般过去时与现在完成时的转换[5篇材料].docx

13-一般过去时与现在完成时的转换[5篇材料]

第一篇：13-一般过去时与现在完成时的转换一般过去时与现在完成时的转换在现在完成时中，延续性动词能与表示一段时间的状语连用，瞬间动词却不能。但是，可用别的表达方式：①瞬间动词用于“一段时间+ago”的一般过去时的句型中；②瞬间动词可改成与之相对应的延续性动词及短语，与一段时间连用；③瞬间动词用于“Itis+一段时间+since+一般过去时”的句型中，表示“自从……以来有……时间”的意思，主句一般用itis来代替Ithasbeen;④瞬间动词用于“Sometimehaspassedsince+一般过去时”的句型中。请看：A.HejoinedtheLeaguetwoyearsago.B.HehasbeenintheLeaguefortwoyears.C.ItistwoyearssincehejoinedtheLeague.D.TwoyearshaspassedsincehejoinedtheLeague.第二篇：一般过去时与现在完成时的相互转换一般过去时与现在完成时的相互转换（延续性动词与非延续性动词之间的转换/终止性动词、瞬间动词）fromhishomeforaweek.2.Iboughtthepenyesterday.sinceonedayago.fortwohours.4.Herfatherdiedin1990.=Herfathersince1990.5.Tomfinishedhishomeworktwoweeksago.=Tom’sincetwoweeksago.6.Ijoinedthearmytenyearsago.=Ithearmyfor10years.ofthearmysince10yearsago.sincetwodaysago.since4monthsago.foranhour.10.WearrivedinLondon2weeksago.=WeLondonsince2weeksago.11.Shecaughtabadcoldthedaybeforeyesterday.=Sheabadcoldfor2days.补充练习：1.Whenhearrivedatthebusstop,thebus_____for20minutes.A.hasleftB.hadleftC.hasbeenawayD.hadbeenaway2.I______theLeaguefor5yearssofar.A.joinedB.havejoinedC.havebeenin3.Thefactory____sincetheFebruaryof1988.A.hasbeenopenB.hasopenedC.wasopenD.opened4.MaryandRose____friendssincetheymetin2000.A.havemadeB.havebeenC.madeD.havebecome5.Youmustn't________untilhecomesback.A.beawayB.leaveC.beleft6.Themeeting_______foraweeknow.A.hasfinishedB.hasendedC.hasbeenover7.MissGao______thisschoolfornearly5years.A.hasbeeninB.hascometoC.hastaught8.Ben______ateacherfor4years.A.hasbeenB.hasbecomeC.wasD.became9.I______homeforaweek.A.havereturnedB.havebeenbackC.returned10.Howlong_______he________?A.diedB.has,diedC.has,beendead11.He______ateightyesterdayafternoon.A.sleptB.wassleepingC.hassleepD.hadslept12.He________thecarforaweek.A.boughtB.hasboughtC.hashad13.-----Howlong_____you_____ill?-----Twoweeks.A.didfallB.have,fellC.have,been14.Since2000,he_____hishometown.A.hasleftB.hasmovedawayC.hasbeenawayfrom15.I'lllendyouthebook,butyoucanonly_____itfor2days.A.borrowB.keepC.take16.Thebus______ontheroadfor2hourssofar.