高考英语专项复习--虚拟语气课件（26张）

虚拟条件句

主句

与现在事实相反

一般过去时 （be用1._____________）

would/should/could/ might+动词原形

与将来事实相反

2.______________ 或were to +动词原形 或should +动词原形

would/should/could/might+动词原形

与过去事实相反

3.________________

would/should/could/might+have+过去分词

过去完成时 were 一般过去时 8．

【误】 Hadn't they saved us, we would have been drowned in the stormy river.

【正】 Had they not saved us, we would have been drowned in the stormy river.

【正】 If they had not saved us, we would have been drowned in the stormy river.

【解析】 当条件中含有were, had, should等时，可省略if，从而把were, had, should提到主语之前。若条件句为否定句，则只把were, had, should提前，not仍放在主

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