it would be nice. would是虚拟语气还是作为情态动词的用法?

题目

it would be nice. would是虚拟语气还是作为情态动词的用法?
it would be nice. 是结合上下文的虚拟语气,还是情态动词?和it will be nice. 有什么区别?

答案

情态动词,表示语气更加委婉和客气.