Answer:
1. drinks
2. wrote
3. believes
4. belongs
5. visited
6. am
7. is
8. I could not?
9. bought ( What did you buy recently>> )
10. You ever was in Dhaka? (Again, "Were you ever in Dhaka?")
11. was
12. was
13. is
14. is
15. made
16. would fly?
17. would help
18. would help
19. would kill
20. go
22. go
23. Speaking (gerund) or To speak (participle)
24. weep
25. writing
26. taking
27. make?
29. HAVE helped, COULD fly
31. reading
32. played
33. rained
36. do
39. help??
40. singing, have velped
40. help
41. to help
42. kill
43. had
44. was
45. turned
47. come
48. have reached
50. could