成都易读教育培训学校 高二英语
语法专项讲解——虚拟语气（一）
? 虚拟语气在非真实条件句中的运用
? 虚拟语气在名词性从句中的运用
? 虚拟语气在定语从句中的运用
? as if从句中的虚拟语气
? 情态动词+have done
一．虚拟语气在非真实条件句中的运用
If省略句
? 当条件状语从句中谓语含有were, had, should,可省略if, 同时把were, had, should提到从
句句首，变为倒装式。
1. If I were at school again, I would study harder than before.
Were I at school again, I would study harder.
2. If you had come earlier, you would have caught the bus.
3. If it should rain tomorrow, we would not go climbing.
二. 虚拟语气在名词性从句中的运用
1. 用于宾语从句中
(1) wish后的宾语从句一般用虚拟语气，表示一种不可能实现的愿望。虚拟语气通过时态退一步来实现。
I wish I were a bird and could fly freely in the sky.
I wish I had met that film star yesterday.
How I wish it weren’t raining now!
(2)在would rather后的宾语从句中也用虚拟语气，用动词过去式虚拟当时或将来的情况，用过去完成式虚拟过去的情况。
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