15. 2. The children are eating lunch now.
3. Does Maria clean her bedroom every Saturday?
4. We aren't watching TV at the moment.
5. He goes to school every day.
6. I am reading a book now.
7. They aren't riding their bikes now.
8. Is she listening to music at the moment?
16. 1. am
2. are
3. are staying
4. go
5. swim
6. eat
7. are walking
8. is taking
9. am sitting
10. am writing
