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英语常用语法:时态一致" N1 L8 d3 d8 m. B' ]
$ K% x+ j {: O# @5 x. s( q 1)并列谓语的时态一致。1 B0 E$ K# K [. X
【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.* c N9 Q0 B. {* y
The soldier looked at him, exchanged glances with his comrade and took out the gun.
v+ N% ~3 j- K u& [9 x: q 2)主从复合句的时态一致。 e/ z2 x8 \, ~2 M0 P- S$ Q
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。
5 y, P4 l" T% s8 L8 B7 N 【例如】
9 N9 v. ^. E* y( K2 J v" E I wonder what will happen tomorrow.
; z$ [" a# t. z+ e4 x I wonder what happened to him yesterday.
# ^ V6 k! L% d( P& [ I wonder what is happening now outside.
- \; R+ \" x+ H0 @! [) z 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。) R- }5 P5 ]3 R/ F" D3 ~
【例如】
- j; ?' R9 _+ r" e( x He told me he made a big mistake.$ w1 Z( L# g( {9 _# @
He told me he would go to Beijing the next day.
1 i9 ?" F" K- [9 U1 t He told he had finished his task.& l. c" n$ z( [/ |$ a! ~
The teacher told students that the earth moves around the sun.(客观真理); x9 h1 v) P" Z5 n2 A
3)定语从句和比较状语从句时态不受主句影响。
) D0 Q8 h1 G; {" k# O/ g! m 【例如】+ c4 Y, f& B1 D7 v
The universityswhereshe is studying was founded in 1950.! K/ a" c- v5 X& P3 t- g, w
You now speak English better than you spoke it last year.
! D8 E9 i9 s. c1 k6 V6 o9 Y- y) w 4)时间和条件状语从句中,常用现在时表示将来。
0 [0 [4 o% x7 q/ M+ X( A 【例如】* b+ H R: S# [$ Z5 v0 T' @2 L) n
We will cancel our trip if it rains tomorrow.
2 c5 I, F9 v- ~; H3 t I will go to visit the Summer Palace as soon as I arrive in Beijing.3 ]& {! R) N2 J7 r' S6 L
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