Ex.1
1. go
2. goes
3. washes
4. am writing
5. is running
6. Do you like, I do
7. Are you doing, I am
8. don't play
9. doesn't like
10. eats
11. drives
12. are watching
13. isn't listening
14. tidies
15. am not studying
16. aren't working
17. Is your friend sitting
18. catches
