1.The children aren`t having supper. Are the children having supper?
2.??? the little girl broken the cup??? maybe: The little girl has broken the cup.
The little girl hasn`t broken the cup. Has the little girl broken the cup?
3 George wasn`t preparing for his examination the whole day. Was George preparing for his examination the whole day?
4.Mother won`t be cooking all day tomorrow. Will Mother be cooking all day tomorrow?
5.We hadn`t reached the village before the sunset. Had we reached the village before the sunset?