2021安徽教师招聘考试英语之错综时间条件句的虚拟语气

　　有时，主句与从句的动作发生在不同的时间，主句从句谓语动词的虚拟语气形式因时间不同而不同，这种条件句叫做错综时间条件句。例如：

　　If you had asked him yesterday, you would know what to do now. 如果你昨天问过他，今天就知道做什么了。(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)如果昨晚下过雨，今天就会很冷了。