(Общий) Are they playing football in the yard?
(Альтернативный) Are they playing football or tennis in the yard?
(Специальный) What they are doing in the yard?
(К подлежащему) Who is playing football in the yard?
(Разделительный) They are playing football in the yard, aren't they?
(Общий) Do I usually get up early?
(Альтернативный) Do I usually get up early or late?
(Специальный) When do I usually get up?
(К подлежащему) Who usually gets up early?
(Разделительный) I usually get up early, don't I?