1. Are Dominic and Kerian runing?
No, they aren't. They're swimming.
2. Is Sara having lunch?
No, she isn't. She's eating ice cream.
3. Are the people singing?
No, they aren't. They're dancing.
4. Is the actor telling a joke?
No, he isn't. He's learning his lines.
5. Are you sleeping?
No, I'm not. I'm studing English.
Nie wiem, czy to ostatnie dobrze ale jest :)