Ex.3
1. am doing
2. am staying
3. talk
4. have
5. don't study
6. go
7. is cooking
8. smells
9. love
10. tastes
Ex.4
1. Sarah often goes swimming.
2. Irene starts work at nine every day.
3. I'm not feeling worried right now.
4. Jack sometimes watches films on TV.
5. Susie is never late for work.