1(2)2指说话人对某种事实的相反的假设和主观愿望,而这种愿望一般难以实现,或不可能实现
虚拟语气的假设意义31
虚拟语气在非真实条件从句中:条件从句从句的谓语动词形式主句的谓语动词形式表示现在情况If+ 主语+动词过去式should/would/could/might+ 动词原形表示过去情况If+ 主语 +had+ 过去分词should/would/could/might + have+ 过去分词表示将来情况If+ 主语 +should+ 动词原形If + were to+ 动词原形 If+ 动词过去式should/would/could/might+ 动词原形4① 与现在事实相反: If I had time, I would come
如果我有时间,我将来
② 与过去事实相反:If you had helped me, I would not have failed
如果你帮了我,我就不会失败了
5③ 与将来事实相反:If it should/were to rain, we would put off the meeting
要是天下雨,我们会推迟会议
注意:以上非真实条件从句中的倒装情况:当从句的谓语中含有should , were , had 时,可将 if 省略,将 should , were , had 提到句首
但否定式不可用缩略式
6Hadn’t it been for the captain, the ship would have sunk
( 错误 )Had it not been for the captain, the ship would have sunk
(正确)要不是船长,船早就沉了
7Should he come, I would not leave
如果他来,我将不会离开
Were the teacher to come, I