2. He is painting a picture in his room

S+tobe+Ving

3. The boys are making puppets in the classroom

S+tobe+Ving

4. He is doing his exercise in the school playground

S+tobe+Ving

5. Nam and his friends are making paper planes

6. My brother is text a reading

7. We are having a break

8. Let's play the piano together

Let's+V

9. We are a lot of people having fun

10. What are they doing?

2 . he is painting in a his room 

7. we are having a break

10. what are they doing