1. Be quiet ! The baby (sleep) is sleeping
2. The sun (set) sets in the west.
3.Mr Green always (go) goes to work by bus.
4. It ( not rain ) doesn't rain in the dry season.
5. They (have) are having lunch in the cafeteria now.
6. My little sister (drink) drinks milk every day.
7. The doctor sometimes (return) returns home late.
10. The earth (move) moves around the sun.
11. Sometimes it (smell) is smelling good in the kitchen now.
12. His uncle (teach) taught English in our school
16. It (take) took me 5 minutes to walk to school last year.
20. John (do) should have done his homework