2011英语四级语法讲义大全：虚拟语气一

会计考友

虚拟语气分三种情况来掌握：
& s6 @, {, `% P& q0 M6 G1、虚拟条件句。
2、名词性虚拟语气。
6 S) M+ l, m4 F* V" [3、虚拟语气的其他用语。
. ~. {8 p2 J6 `一、虚拟条件句：
条件状语从句是非真实情况，在这种情况下要用虚拟语气。
1、条件从句与现在事实不一致，其句型为：
If 主语＋过去时，主语＋should（could, would, 或might）＋动词原形，如：
% j" @6 }: g0 K& l) N* [) E8 YIf I were you, I would study hard.
, w7 \) V' G; `% k9 w) TIf it rained, I would not be here now.
/ ]/ f) A0 P8 @/ m8 z2、条件从句与过去事实不一致，句型为：
$ N3 P( S0 o# C; c* hIf 主语＋had＋过去分词，主语＋should（could, would, 或might）＋have＋过去分词，如：
If the doctor had come last night, the boy would have saved.
0 |: _; J4 M9 }* @& DIf I had not studied hard, I would have failed in the exam last term.
3、条件从句与将来事实不一致，句型为：
＋do，主语＋should（could…）＋ 原形 do
' b( H4 a  i3 G  Y+ p0 A过去时（与现在事实条件句一样）。
If it should rain tomorrow, we would stay at home.
If I were to go to the moon one day, I could see it with my own eyes.
If you missed the film to night, you would feel sorry.