1 The sun is not shining through the windows of the classroom, is it?
2 It is the second half of January, isn't it?
3 We usually set our watches by Kremlin clock, don't we?
4 It is not snowing outside, is it?
5 There are all modern conveniences in his new flat, aren't there?
6 His brother has not got a car, does he?
7 ... doesn't she?
8 ... don't they?
9 ... does he?
10... doesn't she?