某些非延续性动词如果要和表示一段时间的时间状语连用，往往要进行改变，对此我作了简单的小结，请大家牢记：
（前面为短暂，后面为延续）
1.借borrow;keep2.买buy:have3.死die:bedead4.走/离开go/leave:beaway
5.参军jointhearmy:beinthearmy/beasoldier
6.入党jointheParty:beintheparty/beaPartymember/beamemberof
7.开始放映/展出begin:beon
8.交朋友makefriendswithsb:befriends
9.结婚marry:bemarried10.开放/营业open:beopen11.关闭/停业close:beclosed12become;be
13.comeback；beback14.finish/end;beover…
15.arrive;behere16.fallasleep;beasleep等
中考试题练习（答案为画线部分）
2.----I’msorrytohavekeptyouwaiting.
----Oh,notatall.I_______hereforonlyafewminutes.
A.havebeenB.hadbeenC.wasD.willbe
3.----______you_____Chinaforalongtime?
----Yes,Icameherethreeyearsago.
A.Have;cometoB.Did;cometoC.Have;beenin
4.--Howlong_____you_____here?
--Forabouttwoyearssofar.
A.have;studiedB.did;liveC.do;stayD.were;swimming
5.Jackhas_____foraweek.
A.hadcoldB.hadacoldC.gotacoldD.caughtacold
6.Whenwehurriedtothetheatre(剧院),theconcert____forfiveminutes.
A.hadbeenonB.hadbegunC.hadbegunonD.began
7.
