Составь предложения в отрицательной и вопросительной форме.
1. He is drawing now.
2. They are playing football now.
3. Mum is drawing a picture now.
4. It,s snowing today.
5. The girls are wearing dresses today.

1...is NOT 2 .. are NOT...3 ...is NOT...4 .. is NOT snowing...5... are NOT...NOT  после глаголов IS  и  AREII. В вопросах просто начни с этих глаголов - IS he drawing now?2. ARE they playing football? и т.д.