一般现在时与现在完成时
# u, a, Q2 }5 i1 \; F# ?, }% [ (1)I come from Shanghai．(上海人) + v+ u4 R9 Z+ l+ D
I have come from Shanghai．(从上海来)
- \' P' T4 f- P |" } (2)You read very well．(强调能力) + N: @$ h" P2 X5 @0 f3 w
You’ve read very well．(强调一次刚完成的动作)
2 a# n3 @! Q; d! } (3) I forget．(一时想不起来了)
; j& w9 X. i) b I have forgotten．(仍没想起来，可能已回忆起来了) www.Examw.com
5 a; x5 ?2 Q$ ~' p$ W8 O (4) The book is written in simple English．(表状态) 0 b. { v1 b5 `9 R
The book has been written in simple English．(表动态，已用英语写成) 5 z. r. m t) a: |, ~3 Q
(5) Every time I see him，he’s been reading．(两个动作不可能同时进行)．
$ X5 ?, ?. h2 Z2 t Every time l have seen him，he’s been reading．(强调两个动作同时进行) 4 c# v% J; I3 @. j' |) a
(6) He is gone．(强调状态)He has gone．(强调动作和时间)
/ K1 K( I8 Q0 }) }1 G+ y (7) He won’t come till the play begins．(演出开始时) 3 `# l) O8 ]9 ^( {
He won’t come till the play has begun．(戏已开始) " U* }3 H& X0 X3 O$ `
(8)AfterI leave school，I’11 go to college．(两个动作紧密相接)
. n* r* i; i9 c& W After l have left school，I’ll go to college．(强调毕业后，两个动作可能有间隔)
7 A& N$ Q$ r# F. J$ o8 f (9) It is a long time since I saw you last．
6 y6 w" ?% U5 h; q# N It’s been a long time since Isaw you last 这两句话一样，后一句是美国英语) , t/ U2 [& v- K* d& V! R
(10) Where are you?(在哪儿) Where have you been?(去了哪儿) |
发表于 2012-8-15 23:36:10
