40. can 能 could -
41. cast 铸造 cast cast
43. chide 责骂 chid, chided chid, chidden, chided
45. cleave: 分裂cleaved, cleft, clove cleaved, cleft
46. 打通clave cloven
48. clothe 穿衣 clothed, clad clothed, clad
49. come 来 came come
50. cost 价值 cost cost
52. crow 报晓 crowed, crew crowed
53. cut 切 cut cut