一般现在时与现在完成时
) H" q: t. D6 `* R: S' j+ F1 o (1)I come from Shanghai．(上海人)
+ g4 w( T$ }& B: Y |, N( e I have come from Shanghai．(从上海来) ; z$ f( D0 a+ A# o+ [: ?! u
(2)You read very well．(强调能力)
. T3 m- |2 L1 P( ]: q' v& _ You’ve read very well．(强调一次刚完成的动作) 外语学习网& a9 X3 Q- @3 s" L/ X, J0 E" F! [
(3) I forget．(一时想不起来了)
0 ?! m# f# T8 G% W4 U5 I+ ~ I have forgotten．(仍没想起来，可能已回忆起来了)
4 u( E4 {4 W( u2 K1 P, v3 L' \$ l (4) The book is written in simple English．(表状态)
6 r/ f; j; b4 m The book has been written in simple English．(表动态，已用英语写成)
& W: G+ a% c+ i2 | (5) Every time I see him，he’s been reading．(两个动作不可能同时进行)． 9 R3 S' l" q$ D0 t
Every time l have seen him，he’s been reading．(强调两个动作同时进行) & ]! E! c) {! T3 A, `" U" o& B
(6) He is gone．(强调状态)He has gone．(强调动作和时间)
, g+ ]2 r0 @, |! v; b! @6 F7 Y (7) He won’t come till the play begins．(演出开始时) " D1 P& d- s9 S" b5 K- h
He won’t come till the play has begun．(戏已开始)
# g" U5 N" a2 U- z (8)AfterI leave school，I’11 go to college．(两个动作紧密相接)
m9 [* F' S: E7 O- j( |& z After l have left school，I’ll go to college．(强调毕业后，两个动作可能有间隔)
" o4 R2 V8 ?* p; \, r (9) It is a long time since I saw you last．
5 @8 Y* Z: `5 \7 |6 s It’s been a long time since Isaw you last 这两句话一样，后一句是美国英语) 4 a ^" R$ d/ F/ S) ]
(10) Where are you?(在哪儿) Where have you been?(去了哪儿) |
发表于 2012-8-15 23:36:10
