40. can 能 could -
  41. cast 铸造 cast cast
  42. catch 抓住 caught caught
  43. chide 责骂 chid, chided chid, chidden, chided
  44. choose 选择 chose chosen
  45. cleave: 分裂cleaved, cleft, clove cleaved, cleft
  46. 打通clave cloven
  47. cling 粘附 clung clung
  48. clothe 穿衣 clothed, clad clothed, clad
  49. come 来 came come
  50. cost 价值 cost cost
  51. creep 爬行 crept crept
  52. crow 报晓 crowed, crew crowed
  53. cut 切 cut cut