高三一轮复习---虚拟语气（31张PPT）

Subjunctive Mood I Unit 1 Grammar Five “if clauses” below: tell the differences real condition unreal conditions 1. If a child buys these toys, he or she will learn nothing. 2. If all of you went to Beijing University, I would be the greatest teacher in China. 3. She wouldn't have opened the box, if she had been warned of danger. 4. If the sun were to/should go out tomorrow, we would have to live in the dark. 5. Sales of products fall if prices rise. Subjunctive Mood 语气(mood)是用来表示谈话人的态度和看法的动词形式。 英语有三种语气: ①陈述语气(同陈述句) ②祈使语气(同祈使句) ③虚拟语气 虚拟语气不表示一个事实, 而是表示一种假设情况(愿望<wish…>，建议<suggest…>，假设<if…>)。 A 表示与现在事实相反的假设, 条件状语 从句用“一般过去式(be 一般用were)”, 而主句谓语动词由“would/should/ could/might + 动词原形”构成。 虚拟语气用于条件状语从句 If I were a boy, I would join the army. What would you do if you won the lottery? If I won the lottery, I would… If I won the lottery, I would buy an expensive car. If I had a lot of money, I would buy a villa. If I had a lot of money now,