现在完成时中非延续性动词如何变为延续性动词

现在完成时中延续性动词和非延续性动词延续性动词：studylearnsleeplivesingdanceswimdrinkteachkeep非延续性动词：buyborrowlenddieleavebegincome/go这些动词不能和howlong;for….since…连用要把它们变成其他相应的词.--------------------------------------------------------------------------------（buy买了…）have/hashad…（borrow借了…）have/haskept…（start/begin开始了…）have/hasbeenon（leave离开了…）have/hasbeenaway(from)..（来到某地/去某地….）have/hasbeenin…（die死了…）have/hasbeendeadfor…since….1.我买这本书三年了。(1).Iboughtthebookthreeyearsago.(2)Ihavehadthebookfor3years.(3)Ihavehadthebooksince3yearsago.Howlonghaveyouhadthebook?2.他借这本书两个月了（1）Heborrowedthebooktwomonthsago.(2）Hehaskeptthebookfor2months.(3)Hehaskeptthebooksince2monthsago.Howlonghashekeptthebook?3.李梅离开济南一年了.(1)LiMeileftJinanoneyearago.(2)LiMeihasbeenawayfromJinanforoneyear.(3)LiMeihasbeenawayfromJinansince1yearago.HowlonghasLiMeibeenawayfromJinan?请大声读句子，每个读三遍。会议开始20分钟了。(1)Themeetingbegan20minutesago.(2)Themeetinghasbeenonfor20minutes.(3)Themeetinghasbeenonsince20minutes.Howlonghasthemeetingbeenon?Tom来中国10个月了。（1）TomcametoChina10monthsago.(2)TomhasbeeninChinafor10months.(3)TomhasbeeninChinasince10monthsago.HowlonghasTombeeninChina?请大声读句子，每个读三遍。Marry的祖父去世三年了。(1）Marry’sgrandfatherdied3yearsago.(2)Marry’sgrandfatherhasbeendeadfor3years.(3)Marry’sgrandfatherhasbeendeadsince3yearsago.HowlonghasMarry’sgrandfatherbeendead?请大声读句子，每个读三遍。1.Tom___forseveralhours.A.wenttobedB.hasbeeninbedC.hasgonetobedD.hasbeentobed2.Howlonghaveyou____thiscity?A.beentoB.beeninC.cometoD.goneto3.Myaunt____theTVfor4months.A.hasboughtB.wasboughtC.washadD.hashad4.MrBrown____thecarfor3months.A.boughtB.hadboughtC.hashadD.buys5.Theoldman___fortwodays.A.hasdiedB.hasbeendeadC.diedD.dies6.Mysisterhas____for8years.A.becomeadriverB.leftthecityC.arrivedinthecityD.livedhere7.Howlonghaveyou___?A.joinedtheteamB.becomeateamleaderC.beenintheteamD.lefttheteam8.Youarelate.Thefilm____for10minutes.A.hasbegunB.hasbeenonC.hasfinishedD.hasstarted9.Howlonghasshe_____thenewspaper?A.borrowB.lendC.keptD.buy