14. Lily are cleaning the blackboard.

13. All the students is playing games under the tree.

12. My mother is do the housework.

11. Her friend drawing a horse in that house now.

10. --Is Kate flying a kite? --Yes, she isn't.

9. --Are the girls watching TV? --Yes, he are.

8. --Do Sam doing his homework? --No, he isn't.

7. --Is Tom clean the windows? --Yes, he is.

6. --What are they doing? --They is eating.

5. --What do Sam have? --He has a tin of chicken.