do you mind if i keep pets in the building?- i'd rather you didn't actually.为什么用didn't 而不是don't?

问题描述:

do you mind if i keep pets in the building?
- i'd rather you didn't actually.
为什么用didn't 而不是don't?

用过去时比较客气,更委婉.

虚拟语气

I'd rather 后加虚拟语气,表示最好不要那么做.