摘要：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.这种条件句叫做混合条件句 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.)1. If it had rained last night, it would be very cold today .如果昨晚下过雨.今天就会很冷了.

网址：http://m.1010jiajiao.com/timu_id_3075625[举报]