英语常用语法：时态一致

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英语常用语法：时态一致
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6 I$ @1 ~1 ?1 @7 V4 s$ E/ c9 B+ J9 G　　1)并列谓语的时态一致。
! q& D) t! J( l5 R: y* q) d- K　　【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.
1 @$ @. c8 Z6 u4 d; l　　The soldier looked at him, exchanged glances with his comrade and took out the gun.
1 a; O. b" {2 e9 s" R6 E　　2)主从复合句的时态一致。
　　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。
# F  F! v0 G6 b8 E2 d1 ^) ?: \6 h　　【例如】
' H6 @4 E0 q% x2 H7 n　　I wonder what will happen tomorrow.
( y) q3 j, h( k2 j8 ~  X- G  q　　I wonder what happened to him yesterday.
. |+ |% Q. S) J% |# ~) W　　I wonder what is happening now outside.
4 K: B' _: S8 l; s2 l" W! f& 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。
　　【例如】
6 ]5 _: b. S- r/ {　　He told me he made a big mistake.
　　He told me he would go to Beijing the next day.
0 q. B4 {* ?2 U, H) p$ A　　He told he had finished his task.
　　The teacher told students that the earth moves around the sun.(客观真理)
% ^5 U5 H8 t5 [0 Z9 c　　3)定语从句和比较状语从句时态不受主句影响。
　　【例如】
/ d! `6 |' `9 s8 M; h　　The universityswhereshe is studying was founded in 1950.
　　You now speak English better than you spoke it last year.
! R5 M& P3 A' U+ p0 s, g　　4)时间和条件状语从句中，常用现在时表示将来。
　　【例如】
, A3 M$ H8 a( K3 ?　　We will cancel our trip if it rains tomorrow.
　　I will go to visit the Summer Palace as soon as I arrive in Beijing.
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