1)Int.:
Are the children dancing?
Ng.:
The children aren't dancing.
2)Int.:
Is mother cooking breakfast?
Ng.:
Mother isn't cooking breakfast.
3)Int.:
Is father writing Christmas cards?
Ng.:
Father isn't writing Christmas cards.
4)Int.:
Is granny decorating the Christmas tree?
Ng.:
Granny isn't decorating the Christmas tree.
5)Int.:
Is Jane singing carols?
Ng.:
Jane isn't singing carols.