This document lists the past and past participle forms of common English verbs. It provides over 100 verbs and their simple past and past participle forms, including examples like: speed/sped/sped, hold/held/held, learn/learnt or learned/learnt or learned, throw/threw/thrown, understand/understood/understood, and send/sent/sent. The document serves as a reference for conjugating English verbs into their different tenses.