2018春八年级英语下册 Module 4 Seeing the doctor Unit 3 Language in use导学案（无答案）（新版）外研版.doc

Module4?Seeing?the?doctor Unit?3?Language?in?use Learning aims: How long have you …? 你做某事多久了？ 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。I have …for two days / since two days ago. 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； catch a cold →have a cold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. （2）He joined the Party 2 years ago. -----He has been in the Party for 2 years. （3）I bought the book 5 days ago. ---- I have had the book for 5 days. 预习自测：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.??????? A. joined??? B. have joined?? C. have been in?3.??The fact