1) It's cold, isn`t it?
2) I'm a boy, aren`t I ?
3) You're not a girl, are you?
4). I'm not stupid, am I ?
5) It wasn't a Sunday, was it ?
6) They were funny, weren`t they?
7) You will come, won`t you?
8) You won't do it, will you?
9) There's a car, isn`t there?
10) There are some mistakes, aren`t there?