1.......didn't we?
2........didn't they?
3..........isn't it?
4............doesn't she?
5..............does he?
6................can't they?
7..................didn't he?
8...............aren't we?
9................did he?
10 ......do we?
11...........could I?
12...........didn't they?
13...............does he?
14...............does she?
15........haven't they?
16...........do we?
17.........do they?
18........do they?
19.........have they?