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英语常用语法:时态一致
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" }$ y: u2 k# v7 ^+ c' n+ i 1)并列谓语的时态一致。
3 K' ?; B2 @- p& K 【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.
1 Q' U( ]1 z- n The soldier looked at him, exchanged glances with his comrade and took out the gun.
( [, i7 \9 J2 {1 p5 g" p 2)主从复合句的时态一致。% D+ _ Z" ]5 w; L1 Z* n; \7 [
a)主句为现在时、将来时、现在完成时,宾语从句谓语动词时态按情况而定。1 ?8 p1 i3 ?7 l; C
【例如】
! g. y; d6 Y4 O4 N+ }( P$ j I wonder what will happen tomorrow.8 s0 j+ ~* A, S m
I wonder what happened to him yesterday.
' R4 K4 b) g- [3 @7 r- [$ i I wonder what is happening now outside.4 n5 K x2 q/ B( J+ y! B0 k3 P
b)主句为过去时态,宾语从句一般用过去时态。如果宾语从句说明的是客观真理,用一般现在时。
6 Z' ?. N2 C f- S7 u 【例如】
8 w, E! Z: C$ [- U He told me he made a big mistake.- j: x, y3 V5 b+ }$ ]
He told me he would go to Beijing the next day.; Z1 x7 j: ?. [5 h- s% f# p
He told he had finished his task.1 n. ^! S u2 u# s0 N7 i+ @/ Y8 V
The teacher told students that the earth moves around the sun.(客观真理)# G# m+ m$ L* M( x
3)定语从句和比较状语从句时态不受主句影响。4 K7 @- ?0 j$ ~6 x7 D; e1 z9 c/ z, z
【例如】) @- ?& X2 n& S' V" `
The universityswhereshe is studying was founded in 1950.
; ^9 {1 @8 Y% s# o) O% s" ?! q* R+ V You now speak English better than you spoke it last year.1 Z0 c" \3 ^5 X% p( L: s
4)时间和条件状语从句中,常用现在时表示将来。
2 o$ G: A" y6 g' s! U3 u3 q H: | 【例如】( l/ N- G1 N$ l% m: x9 R. \: g/ n% b
We will cancel our trip if it rains tomorrow.
* \6 K9 v- D, ~$ P' ?5 d) t I will go to visit the Summer Palace as soon as I arrive in Beijing.
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