原文：前天如果没下雨，我肯定会来看望您的。
译文: I would have come to see you if it didn't rain the day before yesterday.
改译：

原文：前天如果没下雨，我肯定会来看望您的。
译文: I would have come to see you if it didn't rain the day before yesterday.
改译：

I would have come to see you if it had not rained the day before yesterday. (考点:虚拟语气的正确使用）