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英语常用语法:时态一致& V5 t6 y+ u+ j
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1)并列谓语的时态一致。7 I; ^# T- O7 D1 |9 T$ k6 ]- l
【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.$ ?, [9 t9 g" n* o; E
The soldier looked at him, exchanged glances with his comrade and took out the gun.( _9 H: @" s2 ] B4 ?
2)主从复合句的时态一致。
* C4 R5 G- s6 `! d 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。
) \* e+ b4 b* e3 X% N 【例如】
( V- w H' ?: Y$ } I wonder what will happen tomorrow.
0 R% z. v$ y9 a- ~( [ I wonder what happened to him yesterday.
+ f" R. ]1 b/ ]& B/ }9 U: F' c) F I wonder what is happening now outside.
4 x0 G; D2 o0 a. s9 O1 | 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。
: n7 o( C8 w; Q 【例如】
3 E. ]3 k6 U% d( I6 T He told me he made a big mistake.
8 U5 \1 O8 m% G ^ He told me he would go to Beijing the next day.
/ @! f6 E4 x; C, w3 U4 U4 [ He told he had finished his task.
' v }( w- N8 U f The teacher told students that the earth moves around the sun.(客观真理)# R* V7 k4 F& r% u' a, z# _
3)定语从句和比较状语从句时态不受主句影响。
0 R0 K4 h" J h2 w: W: E, H$ T 【例如】
, S- y8 }5 B' `9 y- R. D The universityswhereshe is studying was founded in 1950.
6 f8 ?- P3 Q2 _8 s. L. e; D You now speak English better than you spoke it last year.: W1 K# ~' l& |
4)时间和条件状语从句中,常用现在时表示将来。
( T/ v. P& A4 {! J 【例如】9 }' S) E" I' f0 D- U
We will cancel our trip if it rains tomorrow.3 e! n7 a8 G: S+ ?" c$ I8 G" b
I will go to visit the Summer Palace as soon as I arrive in Beijing.
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