would you mind me doing sth.你介意我做某事吗?
回答不介意的话可以是 not at all./ of course not.
介意的话可以说 actually,it would bothers me./ yes,that would be an issue.
would you mind doing sth.你介意做某事吗?
不介意的话可回答 I would love to.
介意的话可回答 sorry,I don't thinks so.
其实就是按自己的心意来回答就行了.