This week we're asking questions not answering them! We're talking about question tags. These are the small questions that often come at the end of sentences. They are commonly used in speech and there are many rules about the words you use in the tag depending on what has been said.

Question tags are used to check whether something is true or to ask for agreement. The intonation of your voice determines which one that is. If your voice goes up you're asking a real question and if your voice goes down you're asking for agreement.

Join Rob and Feifei as they demonstrate a number of examples in using question tags. See if you can hear these ones:

* It's not far to the airport, is it?

* It won't be ready in time, will it?

* I couldn't borrow some money, could I?

Do you have a question about learning English? 你有沒有英語學習上的問題？

Then email us at chinaelt@bbc.co.uk