“如果在我20几岁的时候认识你,那该有多好”求高人用英文完美翻译这句话

题目

“如果在我20几岁的时候认识你,那该有多好”求高人用英文完美翻译这句话

答案

首先楼主这句话应该用虚拟语气,和过去事实相反的假设
if+过去完成时,主语 would have done
翻译：
if i had come across with you in my twenties,how perfect it would have been!