学习必备欢迎下载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, why are you late for school every day? Tom: Every time I come to the corner, a sign says, "School-Go Slow". 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, 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 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. ------It has been five minutes since the film began. 用 “be＋形容词”代终止性动词1 、 be ＋ married代 marry 2 、 be ＋ ill 代 fall (get) ill 3 、 be ＋ dead 代 die 4 、 be ＋ asleep代 fall (get) asleep 5 、 be ＋ awake代 wake/wake up 6 、 be ＋ gone 代 lose,die,sell,leave 7 、 be ＋ open 代 open 8 、 be closed代 close/shut 用 “be＋副词 ”代终止性动词1“be＋ on”代 start,begin 2“be＋ up”代 get up 学习必备欢迎下载3“be＋ back(to) ”代 return to,come back to,go back to 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 ...
