1. Is your mum cooking dinner?   (x)

2. Are you phoning your parents?   (v)

3. Are you sending lots of texts to your friends?   (x)

4. Is the boy surfing the Internet and chatting with his friends?   (v)

5. Are the students sitting in the classroom?   (v)

6. Is Agata learning the cello?   (x)

7. Are you and your brother riding a bike?   (v)

8. Is the cat drinking milk?   (v)

9. Are Tim and Leo reading books?   (x)

10. Am I late for the dance class?   (v)