On Saturday my friend always goes to night club
1) On Saturday my friend always goes to night club, doesn't he?- разделительный
2) Where does my friend always go on Saturday? - специальный
3) Does my friend always go to night club on Saturday? - общий
4) Does my friend always go to night club on Saturday or on Sunday? - альтернативный
5) Who always goes to night club on Saturday? - специальный к подлежащему