Tag Questions: Confirm Everyday Information
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
Tag questions serve two main conversational purposes depending on how certain the speaker feels. When you believe something is true but want to double-check, a tag question provides quick confirmation. When you know a fact and expect agreement, a tag question invites the listener into the dialogue, softening statements that might otherwise sound too direct.
The express train stops at Central Station, doesn't it?