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选修6《Grammar》公开课教案优质课下载
★考点详解
虚拟语气是一种动词形式，表示说话人的一种愿望、假设、怀疑、猜测、建议等含义，虚拟语气所表示的含义不是客观存在的事实。
我们用虚拟语气陈述现在不真实的或想象的情景。
eg: ①If I were you, I would study hard.
我们也可以用虚拟语气表述想像中发生在过去的事情。
eg: ②If I had studied hard in the past, I would have attended Peking University.
3. 我们用虚拟语气表述想像中将来的情景。
eg: ③If I had time tomorrow, I would visit Lishi-----a big city.
④If I were to have time tomorrow, I would visit Lishi -----a big city.
⑤If I should have time, I would visit Lishi-----a big city.
一、虚拟语气用于条件状语从句中
虚拟条件句
主句
例句
与现在事实相反的假设
If + 主语+ did
（be动词用were）
主语 + should/ would /could/ might do
例 ①
与过去事实相反的假设
If + 主语 + had done
主语 + should/ would /could/ might have done
例 ②
与将来事实可能事实相反的假设
① If + 主语 + did