文档介绍：高二选修6
Unit 2
英语教学课件
Subjunctive Mood
虚拟语气
1. 英语动词有三种语气, 陈述语气, 祈使语气和虚拟语气。
2. 定义: 用来表示说的话不是事实, 或者是不可能发生的情况, 而是一种愿望, 建议, 假设的语气叫虚拟语气。
3. 在条件句中的应用
条件句可分为两类, 一类为真实条件句, 一类为非真实条件句。非真实条件句表示的是假设的或实际可能性不大的情况, 故采用虚拟语气。
1) 真实条件句 
真实条件句用于陈述语气, 假设的情况可能发生, 其中if是如果的意思。
2) 非真实条件句
非真实条件句用语虚拟语气, 假设的情况不可能发生, 或者可能性很小, 其中if 是“要是、如果”的意思。即:“要是……就好了”; “如果……, ……就会……”
1. If I had enough money, I would travel around the world.
2. If I were you, I would give AIDS patient a hug.
与现在事实相反
3. If I had taken your advice, I wouldn’t have made a mistake.
4. If he had been there, it wouldn’t have happened.
与过去事实相反
5. If it should rain tomorrow, they wouldn’t go for an outing.
6. I think we could do it, if we planed it properly and could borrow the tools.
7. If we were to have three days off, we would enjoy a very happy life.
与将来事实相反
3) The meaning of the sentence of subjunctive mood.
If he e yesterday, I should/ would have told him about it.
含义: He did e yesterday, so I did not tell him about it.