1.Are they playing games now?
2.What are they doing now?
3.They are playing games now, aren’t they?
4.Are they playing games or watching TV now?
1.Have they been playing games for an hour?
2.What have they been doing for an hour?
3.They have been playing games for an hour, haven’t they?
4.Have they been playing games or watching TV for an hour?
1.Have they played game?
2.What they have done?
3.They have played game, haven’t they?
4.Have they played game or football?