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1、 现在完成时之瞬间动词转变为持续性动词（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, how long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 / has had 买 borrow (borrowed) - have / has kept 借 die ( died ) - have / has been dead 死 leave ( left ) - have / has been away ( from ) 离开 begin ( began ) - have / has
2、 been on 开始 join ( joined) - have / has been in 参加 - have / has been a ( party) member go (went) - have / has been there / in 去 come/arrive/reach/get to - have / has been here / in 来/到达 end (ended) - have/has been over 结束eg. The film began five minutes ago. -The film has been on for five minutes. -I
3、t has been five minutes since the film began.用“be形容词”代终止性动词 1、bemarried代marry 2、beill代fall (get) ill 3、bedead代die4、beasleep代fall (get) asleep 5、beawake代wake/wake up 6、beopen代open 7、be closed代close/shut 用“be副词”代终止性动词 1“beon”代start,begin 2“beup”代get up 3“beback(to)”代return to,come back to,go back to 4
4、“be here (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.“be in/at +地点”代替go to /come to 2.用be in the army 代替join the army 3.“be in/at +地点”代替move to 四、 巩固练习：将瞬间动词变成延续性动词表：1. have arrived at/in. got to/reached. come/gone/moved to. 2. have come/gone back/returned 3.
5、 have come/gone out 4. have become 5. have closed / opened 6. have fallen ill7. have died 8. have left. 9. have fallen asleep/got to sleep 10. have finished/ended/completed 11. have married 12. have begun 13. have borrowed/bought 14. have/has gone to 15. have joined/have taken part in the league/the
6、 Party/the army 当堂过手练习：1、Her grandfather _ for two years. A. died B. has died C. has been deadD. has been died2、His father _ the Party since 1978 . A. joined B. has joined C. was in D. has been in3、Do you know him well ? Sure .We _ friends since ten years ago . A. were B. have been C. have become D.
7、 have made4、How long have you _ here About two months . A. been B. gone C. come D. arrived5、Hurry up! The play _ for ten minutes . A. has begun B. had begun C. has been on D. began6、It _ ten years since he left the army . A. is B. has C. will D. was7、My parents _ Shandong for ten years . A. have bee
8、n in B. have been to C. have gone to D. have been8、 has Mr White been a member of Greener China since he to China?A. How soon, comes B. How often, got C. How long, came D. How far, arrived 9、The factory _ since the February of 1988. A . has been open B. has opened C. was open D. opened10、Mary and Ro
9、se _friends since they met in 2000. A. have made B. have been C. made D. have become11、The meeting _ for a week now. A. has finished B. has ended C. has been over D.had been over 12、Miss Gao _ this school for nearly 5 years. A. has been in B. has come to C. has taught D. has gone to 13、Ben _ a teacher for 4 years . A. has been B. has become C. was D. became14、 I _ home for a week. A. have returned B. have been back C. returned D.have been back to 15、Ever since then, Tom _a fan of classical music.A. has been B.is C. has become D. have been
