1) Общий
Does he always do his homework?
2) Альтернативный
Does he always do his or his brother's homework?
3) Разделительный
He always does his homework, doesn't he?
4) Специальный
When does he do his homework?
5) Вопрос к подлежащему
Who always does his homework?
или
What does he always do?
можно и тот и тот