5типов вопросов к предложению "i help out for a couple of hours"

I help out for a couple of hours,don't I? Разделительный
Do you help out for a couple of hours? Общий
Do you help out for a couple of hours or a couple of days? Альтернативный
Who helps out for a couple of hours? Вопрос к подлежащему
What do you do for a couple of hours? Специальный