We usually use this pattern when the question that you're asking about relates directly to the person you're speaking with.

当你在询问与谈话对方直接有关的话题时，你可以使用这个句型。

Do you 课堂 - SpeakingMax英语口语达人

However, you only use this when the other person has been directly discussing, speaking on a subject.

但是，只有当他人在直接谈论某一话题时，你才能使用这个句型。

It sounds like 课堂 - SpeakingMax英语口语达人