高中英语虚拟语气讲解

虚拟语气 一．IF引导的虚拟句式   if 从句 主句 现在 did /（be一般用were） would / could / should / might + do 过去 had done would / could / should / might + have done   将来 did /（be一般用were） should do were to do   would / could / should / might + do   注意；混合虚拟 （1） 不同时间的虚拟： If he had listened to me, he would not be in trouble now. If he had told me yesterday, I should know what to do now.   (2) 虚拟与陈述的混合： He could have passed the exam, but he wasn’t careful enough. You should have come earlier, the bus left a moment ago.   二．名词性从句中的虚拟语气:从句谓语动词(should) +do   1. 主语从句：it is + adj + that结构 advisable 适当的、合适的 regretful 遗憾的 ordered 命令 anxious忧虑、焦急的 regretful 遗憾的 recommended推荐 appropriate 适当的 right 正确、恰当的 requested 要求 better 较好的 strange 奇怪的 required 建议 desirable 理想的 surprising 惊奇的 名词 essential 紧要的 urgent 紧迫的 duty 职责 imperative 迫切的 vital 极其重要的 no surprise 不奇怪 important 重要的 分词 no wonder不足为奇 insistent 坚持的 decided 决定 pity 遗憾 natural 自然的 demanded 要求 regret 后悔、遗憾 necessary 必要的 desired 想往