☆ 表示假设或不可能（或几乎不可能）实现的愿望的虚拟语气 ☆
这类虚拟语气主要有以下四种句型，分别用wish、if only和as if/ though 引导，并包括条件句中的虚拟语气：
e.g. I wish you could drive a car.
The fact is that you can't drive a car. 对现在的虚拟用过去时。
2. if only＋主＋不可能的过去式
e.g. If only you had listened to me.
The fact is that you didn't listen to me. 对过去的虚拟用过去完成时。
3. as if/ as though＋主＋不可能的过去式
e.g. He looks as if he was/were a teacher.
The fact is that he is not a teacher.
e.g. If you came on time tomorrow, she would invite you to dinner.
e.g. If I were you, I would accept the invitation.
(2) 对过去虚拟（从句用过去完成时，主句用would have＋动词过去分词形式）：
e.g. If you had come earlier, he would have told you the news.
I wish he ___ change his mind.
C. would have GALAXIX语法教室目录