1. VOZ ACTIVA
2. Tom writes a letter
3. Tom is writing a letter
4. Tom was writing a letter
5. Tom wrote a letter
6. Tom has written a letter
7. Tom had written a letter
8. Tom will write a letter
9. Tom is going to write a letter
10. Tom can write a letter
11. Tom could write a letter
12. Tom must write a letter
13. Tom may write a letter
14. Tom might write a letter
15. Everybody thinks Cathy works very hard.
16. I watch my hands
17. I watched my hands
18. I will watch my hands
19. I am watching my hands
20. I have watched my hands
21. I would watch my hand
22. A letter is written by Tom
23. A letter is being written by Tom
24. A letter was being written by Tom
25. A letter was written by Tom
26. A letter has been written by Tom
27. A letter had been written by Tom
28. A letter will be written by Tom
29. A letter is going to be written by Tom
30. A letter can be written by Tom
31. A letter could be written by Tom
32. A letter must be written by Tom
33. A letter may be written...
34. A letter might be written...
35. Cathy is thought to work very har
36. My hands are watched
37. My hands were watched
38. My hands will be watched
39. My hands are being watche
40. My hands have been watched
41. My hands would be watched