Ответ:
1. The children aren't making a vase. They're drawing.
2. I am not singing a song. I'm listen to music.
3. My brother isn't playing tennis. He's tidying his room.
4. We aren't listening to a story. We're reading.
5. The rabbit isn't eating a carrot. It's drink water.
6. You aren't doing your homework. You're playing computer games.