英语常用语法：时态一致

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英语常用语法：时态一致

1 [% l4 E! ]% U! c: ]$ |　　1)并列谓语的时态一致。
' k. e$ g9 M; [　　【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.
' j0 G! Q. X' [: B$ M　　The soldier looked at him, exchanged glances with his comrade and took out the gun.
) |" ^1 m/ }# q. L8 b! p　　2)主从复合句的时态一致。
$ x! r4 m: ^' x$ L7 P- G" T　　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。
* n6 i6 Y) X( v! [" ~, f, Q　　【例如】
' h# E$ h6 e& a　　I wonder what will happen tomorrow.
8 Y; i1 F3 p/ {* [　　I wonder what happened to him yesterday.
* D! X. Q* u) f% r  a, p; m' v　　I wonder what is happening now outside.
, p* ~1 o; Y0 c　　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。
; W4 z) t4 r3 n% x2 y" f7 R7 ~　　【例如】
　　He told me he made a big mistake.
% B; y2 Y- D4 q3 k" _　　He told me he would go to Beijing the next day.
　　He told he had finished his task.
8 X* W* L' C& Y3 P2 X　　The teacher told students that the earth moves around the sun.(客观真理)
# h8 I3 v% c. i5 J　　3)定语从句和比较状语从句时态不受主句影响。
' Y2 ?( [" F/ }/ l! Y7 D　　【例如】
　　The universityswhereshe is studying was founded in 1950.
) ?; z8 h' K' E0 E7 y$ \5 G- B/ s　　You now speak English better than you spoke it last year.
　　4)时间和条件状语从句中，常用现在时表示将来。
: r! l! ^  b/ S3 C" P$ ?　　【例如】
　　We will cancel our trip if it rains tomorrow.
  j. y+ t$ |$ J8 m: Z7 W　　I will go to visit the Summer Palace as soon as I arrive in Beijing.

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