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1、现在完成时之瞬间动词转变为持续性动词一、兴趣导入：Teacher:Tom,whyareyoulateforschooleveryday?Tom:EverytimeIcometothecorner,asignsays,"School-GoSlow".二、知识点回顾：现在完成时基本用法三、（1）专题讲解：在完成时中,一个瞬间性动词(一次性动作)不能与表示一段时间的状语(for,since,howlong等)连用,此时须将该瞬间动词改为延续性动词或状态动词.Eg:buy(bought)---have/hashad买borrow(borrowed
2、)---have/haskept借die(died)---have/hasbeendead死leave(left)---have/hasbeenaway(from)离开begin(began)---have/hasbeenon开始join(joined)---have/hasbeenin参加---have/hasbeena(party)membergo(went)---have/hasbeenthere/in去come/arrive/reach/getto---have/hasbeenhere/in来/到达end(ended)-----h
3、ave/hasbeenover结束 eg.Thefilmbeganfiveminutesago.------Thefilmhasbeenonforfiveminutes.------Ithasbeenfiveminutessincethefilmbegan.用“be＋形容词”代终止性动词1、be＋married代marry2、be＋ill代fall(get)ill3、be＋dead代die4、be＋asleep代fall(get)asleep5、be＋awake代wake/wakeup6、be＋gone代lose,die,sell,lea
4、ve7、be＋open代open8、beclosed代close/shut用“be＋副词”代终止性动词 1“be＋on”代start,begin 2“be＋up”代getup5 3“be＋back(to)”代returnto,comebackto,gobackto 4“behere(there)”代come(arrive,reach,get)here或go(arrive,reach,get)there等等用“be＋介词短语”代终止性动词 1.“bein/at+地点”代替goto/cometo 2.用beinthearmy代替j
5、ointhearmy 3.“bein/at+地点”代替moveto四、巩固练习：将瞬间动词变成延续性动词表：1.havearrivedat/in.......gotto/reached......come/gone/movedto......→ 2.havecome/goneback/returned→ 3.havecome/goneout→ 4.havebecome→5.haveclosed/opened→6.havefallenill→ 7.havedied→ 8.haveleft......→9.havefallenas
6、leep/gottosleep→10.havefinished/ended/completed→ 11.havemarried→12.havebegun→13.haveborrowed/bought→ 14.have/hasgoneto→ 15.havejoined/havetakenpartintheleague/theParty/thearmy→5五、拓展训练:1.你曾经吃过鱼和薯条吗？2.我刚刚丢了我的化学书。3.我以前从来没去过那个农场。4.他已经吃过午饭.5.你已经看过这部电影了吗？6.我哥哥还没回来。7.这本字典我已买了
7、三年了。8.他离开中国三年了。9.我认识他们五年了。10.我的妈妈拥有这些围巾十几年了。5当堂过手练习：1、Hergrandfather______fortwoyears.A.died B.hasdied C.hasbeendead D.hasbeendied2、Hisfather______thePartysince1978.A.joinedB.hasjoinedC.wasinD.hasbeenin3、—Doyouknowhimwell?—Sure.We_________friendssincetenyearsago.A.wereB.h
8、avebeenC.havebecomeD.havemade4、—Howlonghaveyou____here?—Abouttwomonths.A.beenB.goneC.comeD.arriv
