Помогите составить 6 вопросов к предложению "Last weekend the girls went on a picnik with there family."

1)when did the girls go on a picnik with there family? 2)Who was went on the picnik with girls last weekend 3)Did the girls go on a picnik last weekend 4)Did the girls go on a picnik last weekend or yestarday? 5)Last weekend the girls went on a picnik with there family,didn't they 6)I wonder if the girls went on a picnik with there family?