Tag questions

You already know my brother James, __________?

Catherine didn’t call you last night, ___________?

You haven’t cancelled our hotel yet, ____________ ?

Margaret hasn’t passed her driving test, _________ ?

Richard wasn’t working in South Africa then, ___________ ?

Pablo’s getting the 10.30 train from Waterloo, _____________?

Susan and Michael aren’t coming to the wedding, __________?

You knew I wouldn’t be able to get here early, ____________?

The rest of the class will be at the concert tomorrow, __________?

Zhen’s already finished university, _________ ?