一般现在时与现在完成时 # F! Q) q* l1 ~: m( T0 }- `
(1)I come from Shanghai.(上海人) + F; f- h5 R7 _
I have come from Shanghai.(从上海来) ) j. e X2 ?. h. n! B; c* Y (2)You read very well.(强调能力) . E7 j0 [$ E, _& F5 C3 ^ You’ve read very well.(强调一次刚完成的动作) ) W1 M- ^1 T9 H5 R/ o3 S* S
(3) I forget.(一时想不起来了) . F0 s5 c$ y/ l$ l! c9 S4 o9 B
I have forgotten.(仍没想起来,可能已回忆起来了) www.Examw.com9 _5 ~7 c2 P5 a) A
(4) The book is written in simple English.(表状态) ' A% N$ D; t8 S6 @2 T The book has been written in simple English.(表动态,已用英语写成) ( r! [5 u; u4 s u- r; |
(5) Every time I see him,he’s been reading.(两个动作不可能同时进行). ' G. p$ m/ M- T- U' U Every time l have seen him,he’s been reading.(强调两个动作同时进行) & P. E0 i3 T; t' g4 n
(6) He is gone.(强调状态)He has gone.(强调动作和时间) ) | M- ~( W% [! J; ` z (7) He won’t come till the play begins.(演出开始时) # X. e# C. Q7 {& z; a, ~" b He won’t come till the play has begun.(戏已开始) ; Y) z k/ B6 o; R3 V
(8)AfterI leave school,I’11 go to college.(两个动作紧密相接) * I) K2 \1 h1 Z4 ~" a' j
After l have left school,I’ll go to college.(强调毕业后,两个动作可能有间隔) 8 n' b1 d/ Z1 C3 }
(9) It is a long time since I saw you last. 0 ^+ _( _3 p; ~3 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) 9 ~, P9 F# d9 z5 c& h
(10) Where are you?(在哪儿) Where have you been?(去了哪儿)