Complete the negative sentences

I am not playing a game. = I'm not playing a game.

She is not playing a game. = She isn't playing a game.

He is not playing a game. = He isn't playing a game.

It is not playing a game. = It isn't playing a game.

We are not playing a game. = We aren't playing a game.

They are not playing a game. = They aren't playing a game.

You are not playing a game. = You aren't playing a game.

Pupils [ ] doing their homework now.

• isn't
• 'm not
• aren't

1. My mother [ ] making breakfast now.
2. I[ ] drawing a picture now.
3. Mike and Anna [ ] playing football now.