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1. Be quiet! The baby (sleep) ...
2. The sun (set) ... in the West
3. Mr Green always (go) ... to work by bus.
4. It (not rain) ... in the dry season.
5. They (have) ... lunch in the cafeteria now.
6. She ... (go) camping tomorrow.
7. The doctor sometimes (return) ... home late.
8. He (write) ... a long novel at present.
9. Look! The bus (come) ...
10. The earth (move) ... around the sun.
11. What you (do) ... at 8 p.m yesterday.
12. His uncle (teach) ... English in our shool five years ago.
13. The old man (fall) ... as he (get) ... info the bus.
14. When I saw him, he (sit) ... asleep in a chair.
15. She ... (visit) her aunt next week.
16. Last Monday, while I (read) ... a book, the phone rang.
17. They (not speak) ... to each other since they quarreled.
18. I (try) to learn English for years, but I (not succeed) ... yet.
19. I (not see) ... her seen last week.
20. John (do) ... his homework already.