健Unit 10I’ve had this bike for three years.Section A Grammar Focus用法三： 现在完成时动词可以表示开始过去持续 到现在(也还会继续进行下去)的动作或状态。1) I have studied English since last year. 我从去年开始学习英语。2) She has lived in Beijing for five years. 她住在已经五年了。注意: buy, become, die, fall ill, open, close, finish,join, 和marry 等动词所表示的动作是一时的, 不能延续的, 故不能与for …, since …等开头的表示一时间的状语连用。不过, 这些词用否定句则可以与表示延续的时间状语连用，没有发生的动作是可以持续的。非延续性动词和延续性动词的转换 borrow — keepbuy — have begin/start — be ondie — be dead finish --- be overopen ---be open fall ill — be ill come here — be here,join — be in /be a member of go there — be there, become — be, come back—be back, fall asleep — be asleep, get to/ arrive/reach — be (in), leave — be away from, put on—wear, catch a cold —have a cold, get married—be married 等。 ( 1).for+表示一时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句eg.I have been a teacher ______ a year. He has been at this school _______ 1992. We have learned 1,000 English wor |
