虚拟语气用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。虚拟语气通过谓语动词的特殊形式来表示If he doesn’t hurry up, he will miss the bus. 如果他不快点,他将错过巴士。( 真实) If he is free, he will ask me to tell stories. 如果他是空闲的,他会要求我讲故事。(真实) If I were you, I would go at once.如果我是你,我马上就会去。 (非真实,虚拟语气)If there were no air, people would die. 如果没有空气,人就会死亡...