This document is a list of irregular verbs in English compiled by Samuel Velasquez for his professor Andres Felipe Narvaez at Pontificia Universidad Javeriana in 2011. It provides 10 sets of irregular verbs with their past tense and past participle forms, including verbs like creep/crept, flee/fled, forsake/forsook, grind/ground, ring/rung, shrink/shrunk, sink/sunk, spill/spilt, tread/trodden, and weep/wept.