Let's start!
1.Be was/were been
2.Become became become
3.Begin began begun
4.Break broke broken
5.Bring brought brought
6.Build built built
7.Buy bought bought
8.Choose chose chosen
9.Come came come
10.Cut cut cut
11.Do did done
12.Draw drew drawn
13.Drive drove driven
14.Fall fell fallen
15.Feel felt felt
16.Find found found
17.Get got got
18.Give gave given
19.Go went gone
20.Grow grew grown
21.Have had had
22.Hear heard heard
23. Hold held held
24. Keep kept kept
25. Know knew known
26. Leave left left
27. Let let let
28. Lie lay lain
29. Lose lost lost
30. Make made made
31. Mean meant meant
32. Meet met met
33. Pay paid paid
34. Put put put
35. Read read read
36. Run ran run
37. Say said said
38. See saw seen
39. Send sent sent
40. Set set set
41. Show showed shown
42. Sit sat sat
43. Speak spoke spoken
44. Spend spent spent
45. Stend stood stood
46. Take took taken
47. Tell told told
48. Think thought thought
49. Understand understood understood
50. Write wrote written