He is drawing now(+): He isn`t grawing now(-), Is he drawing now?(?)
They are playing football now(+): They aren`t playing football now(-) Are they playing football now?(?)
Mum is drawing a picture now(+): Mum isn`t drawing a picture now(-) Is mum drawing a picture now?(?)
It's snowing today(+) It isn`t snowing today(-) Is It snowing today?(?)
The girls are wearing dresses today(+) The girls aren`t wearing dresses today(-) Are the girls wearing dresses today?(?)