混合条件句 来源: 英语语法网栏目: 虚拟语气 主句与从句的动作发生在不同的时间,这时主,从句谓语动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。 If you had asked him yesterday, you would know what to do now. (从句与过去事实相反,主句与现在事实相反。) If it had rained last night (过去), it would be very cold today (现在). 虚拟语气