am/is - was
are - were
do - did
go - went
see - saw
eat - ate
sweep - swept
sleep - slept
have - had
make - made
get - got
swim - swam
fly - flew
draw - drew
write - wrote
study - studied
run - ran
fight - fought
swing - swung
drink - drank
take - took
ride - rode
catch - caught
teach - taught
sing - sang
buy - bought
find - found
stop - stopped
read - read
set - set
31. hurt - hurt
32. put - put
33. look - looked
34. come - came
35. dig - dug
36. ring - rang
37. sit - sat
38. cost - cost
39. cut - cut
40. let - let
41. must - must
42. begin - began
43. send - sent
44. think - thought
45. sell - sold
46. tell - told
47. throw - threw
48. draw - drew
49. know - knew
50. fly - flew
51. will - would
52. can - could
53. shall - should
54. should - should
55. go - went
56. do - did
57. say