高考英语语法一轮复习 虚拟语气（共21张PPT）

虚拟语气 虚拟语气表示一种不能实现的假设,该语法主要用于if条件状语从句,也可用于主语从句、 表语从句、宾语从句等。 通常有三种情况： ①与过去事实相反。 ②与现在事实相反。 ③与将来事实可能相反。 虚拟语气 1. 虚拟语气在if条件状语从句中的用法 动词过去式(或were) should/ would /could/ might+动词原形 had+过去分词 should/ would/could /might + have+过去分词 should/ would/ could/ might +动词原形 1.should+动词原形 2.动词过去式 3.were to+动词原形 条件从句 从句谓语形式 主句谓语形式 与现在事实相反  与过去事实相反  与将来事实相反  2.wish 引导的宾语从句中的虚拟语气 过去式（were） had+过去分词 could + have +过去分词 would/could/might+动词原形 He wished he _____________________in such affairs. (involve) I wish I ______a bird. (be) had never been involved were 与现在事实相反  与过去事实相反  与将来 事实相反  I would rather you could teach me again. I would rather___________________. 我宁愿他们明天来。 The manager would rather that his secretary_______________________________. 经理宁愿他的秘书代替他去开会。 3、would rather 后的宾语从句 would rather that 与现在事实相反 did 与过去事实相反  had done 与将来事实相反  did they came tomorrow went to the meeting instead of him 4.表示要求,命令,建议的虚拟语气 一个坚持 ______________ 两个命令 ______________ 三个建议 ________________