爱华网动词按其动作发生的方式、发生过程的长短可分为延续性动词与非延续性动词。
一.延续性动词表示能够延续的动作,如：learn,work,stand,lie,know,walk,keep,have,
wait,watch,sing,read,sleep,live,stay等。延续性动词可以与表示时间段的状语连用。 表示时间段的短语有:for+一段时间,for2years;since从句,sincehecamehere;since+时间点名词,sincelastyear,since5daysago;howlong;foralongtime等。 例:Hehaslivedherefor6years. Youcankeepthebookfor5days. Istayedtherefor2weekslastyear.
Howlongdidyoustaytherelastyear?
二.非延续性动词也称终止性动词、瞬间动词,表示不能延续的动作,这种动作发生后立即结束。如:open,die,close,begin,finish,come,
go,move,borrow,lend,buy等。非延续性动词在肯定句中与表示时间点的状语连用，如：twoyearsago;at5o'clock; 例:Hedied5yearsago. 否定的终止性动词可以与表示时间段的时间状语连用。 例:Ihaven'tleftherefor3years. Ihaven'theardfromhimfor3weeks.
三.延续性动词与非延续性动词之间的转换： leave---beaway,borrow---keep,
buy---have, begin/start---beon,die---bedead, finish---beover,join---bein+组织机构, beamemberof+组织机构,opensth---keepsthopen, fallill---beill,getup
---beup,catchacold---haveacold, comehere---behere,gothere---bethere,become---be, comeback---beback,fallasleep---beasleep, getto/arrive/reach---
be(in),leave---beawayfrom, gettoknow---know,go(get)out→beout，puton→wear； catchacold→haveacold等。 例:Theoldmandied4yearsago. ---Theold
manhasbeendeadfor4years. ----Itis4yearssincetheoldmandied. ----Fouryearshaspassedsincetheoldmandied. HejoinedtheParty2yearsago. -----Hehasbeeninthe
Partyfor2years. Iboughtthebook5daysago. ----Ihavehadthebookfor5days.
补充练习：
1.Whenhearrivedatthebusstop,thebus________for20minutes.
A.hasleftB.hadleftC.hasbeenawayD.hadbeenaway
2.I______theLeaguefor5yearssofar.
A.joinedB.havejoinedC.havebeenin
3.Thefactory________sincetheFebruaryof1988.
A.hasbeenopenB.hasopenedC.wasopenD.opened 4.MaryandRose_______friendssincetheymetin2000.
A.havemadeB.havebeenC.madeD.havebecome 5.Youmustn't________untilhecomesback.
A.beawayB.leaveC.beleft
6.Themeeting_______foraweeknow.
A.hasfinishedB.hasendedC.hasbeenover
7.MissGao______thisschoolfornearly5years.
A.hasbeeninB.hascometoC.hastaught
8.Ben______ateacherfor4years.
A.hasbeenB.hasbecomeC.wasD.became
9.I______homeforaweek.
A.havereturnedB.havebeenbackC.returned
10.Howlong_______he________?
A.diedB.has,diedC.has,beendead
11.He______ateightyesterdayafternoon.
A.sleptB.wassleepingC.hassleepD.hadslept 12.He________thecarforaweek.
A.boughtB.hasboughtC.hashad
13.--Howlong_____you_____ill?--Twoweeks.
A.didfallB.have,fellC.have,been
14.Since2000,he_____hishometown.
A.hasleftB.hasmovedawayC.hasbeenawayfrom
15.I'lllendyouthebook,butyoucanonly_____itfor2days. A.borrowB.keepC.take
16. 16.Thebus______ontheroadfor2hourssofar.
A.hasstoppedB.stoppedC.hasbeen
17.Areyou_____thejacketthesedays?
A.wearingB.puttingonC.dressingD.on
18.He________foe2hours.
A.gotupB.hasgotupC.hasbeenup
19.Tomisillinhospital.He_______acoldforseveraldays.
A.isB.catchesC.hascaughtD.hashad
20.--HowlongcanI______thebook?--Twoweeks.
A.borrowB.lendC.getD.keep
Key: 1---5DCABB;6---10CAABC;11---15BCCCB;16---20CACDD
