外研社八下Module_4_Unit_2.ppt

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外研社八下Module_4_Unit_2

Module4 unit3 I.教材典句 1. I haven’t done much exercise since I got my computer last year. 自从去年有了电脑,我没做很多运动。 2. I have had him for three months now… 现在我拥有它有三个月了…… 3. How long have you been like this? 你这样多久了 II.语法全解 一.延续性动词表示能够延续的动作,如:learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay 等。 延续性动词可以与表示时间段的状语连用。 How long have you …? 你做某事多久了? I have …for two days / since two days ago How long has he / she…? 他/她做某事多久了? He / She has …. 表示时间段的短语有:for+一段时间,for 2 years; since从句, since he came here; since+时间点名词,since last year, since 5 days ago; how long; for a long time等。 例:He has lived here for 6 years. You can keep the book for 5 days. I stayed there for 2 weeks last year. How long did you stay there last year 二.非延续性动词也称终止性动词、瞬间动词,表示不能延续的动作,这种动作发生后立即结束。 如:open, die, close, begin, finish, come, go, move, borrow, lend, buy等。 非延续性动词在肯定句中与表示时间点的状语连用, 如:two years ago; at 5 oclock; 例:He died 5 years ago. 否定的终止性动词可以与表示时间段的时间状语连用。 例:I havent left here for 3 years. I havent heard from him for 3 weeks 三.延续性动词与非延续性动词之间的转换: leave --- be away, borrow --- keep, buy --- have, begin/start --- be on, die --- be dead, finish --- be over, join --- be in+组织机构, be a member of+组织机构, open sth --- keep sth open, fall ill --- be ill, get up---be up, catch a cold --- have a cold, come here --- be here, go there --- be there, become --- be, come back --- be back, fall asleep --- be asleep, get to/ arrive/reach --- be (in), leave --- be away from, get to know --- know, go (get) out →be out, put on→ wear 等 例:(1)The old man died 4 years ago. ----The old man has been dead for 4 years. ---- It is 4 years since the old man died. ----Four years has passed since the old man died III.语法专练 1. When he arrived at the bus stop, the bus _______ for 20 minutes. A. has left B. had left C. has been away D. had been away 2. I ______ the League for 5 years so far.

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