英语语法虚拟语气课件

虚 拟 语 气虚拟语气：虚拟语气：讲话者对于说话内容的看法的一种与法范畴。虚拟语气在条件句中的使用（条件状语从句）非真实条件的情况之下。条件状语从句的真实情况，有两种情况的使用主将从现If he doesn’t hurry up, he will miss the bus.非真实条件，则要用虚拟。如何表达？知 识 框 架 1. 含有条件状语从句的复合句 wish（would rather）+宾语从句suggest（…）+宾语从句2. 主 语从句 It is + adj./p.p/n.+ that+ S+ (should) +do表 语 从句 S+is that +s + (should) +do同位语从句 S+that +s +(should) +do 3. 定语从句 It is (high) time that + S + did 用过去式表现在情况 1. 时态后退型 用过去完成式表过去 两种形式 用过去将来表将来 2. should+动词原形型 内 容 详 述 I. 含有条件状语从句的复合句(以 do 为例;S=主语) 情 况 条件主句 结果主句与现在事实相反动词过去式（be 一般用were）would(should, could, might)+动词原形与过去事实相反had+过去分词would(should, could, might)+have +过去分词虚拟语气三大板块名词性从句宾语从句与将来事实可能相反1) 动词过去式2) should+动词原形3) were to+动词原形would(should, could, might)+动词原形注意事项：例句：(1) 与现在事实相反 例：1) If I knew the fact now, I would tell you. 假如我现在知道事情真相，我就告诉他了。 2) If you were in my place, you would do the same thing. 假如你处于我的位置，你同样也会这么做。 3) If there were no gravity, we should not be able to walk. 假如没有引力，我们就不可能行走。 If I had enough money, I should/would buy a camera. If I were rich, I would help the poor.(2) 与过去事实相反 例：1) If the art dealer had had money, he would have bought the painting. 假如那位画商有那么一笔钱，他就买那幅画了。 2) If you had come here yesterday, you would have met her. 假如你昨天来，你就会见到她。 3) If she had taken my advice, she wouldn ’ t have failed . 假如她接受我的劝告，她就不会失败。 If I had had enough money, I would have bought a car.(3) 与将来事实可能相反 例: 1)...