高中英语语法素材：虚拟语气

虚拟语气在非真实条件句中 从句 主句 例句 与现在事实相反的假设 If + 主语+助动词的过去式（were, did, had） 主语+ should/would/could/might+动词原形 If I had time, I would attend the meeting. If I were you, I should seize the opportunity to go abroad. 与过去事实相反的假设 If +主语+had+过去分词 主语+ should/would/could/might +have+过去分词 If you had taken my advice, you would not have failed in the exam. 与将来事实相反的假设 ①If+主语+动词过去式 ②If+主语+were to+动词原形 ③If+主语+should+动词原形(注意不能是would) 主语+ should/would/could/might+动词原形 If you came tomorrow, we would have the meeting. If it were to rain tomorrow, we would put off the sports meeting. If he should not come tomorrow, we should put off the meeting till next Monday. ①错综时间条件句: 当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为错综时间条件句，动词的形式要根据它表示的时间作出相应的调整。如： If you had followed my advice just now, you would be better now. If you had studied hard before, you would be a college student now. ②if省略句 在条件句中可以省略if, 把were, had, should提到句首，变成倒装句式。如： If