Write down all the irregular verbs from the box. Write past simple and past participle for each of them.

Infinitive: speak, Past simple: spoke, Past participle: spoken; Infinitive: choose, Past simple: chose, Past participle: chosen; Infinitive: win, Past simple: won, Past participle: won; Infinitive: ring, Past simple: rang, Past participle: rung; Infinitive: grow, Past simple: grew, Past participle: grown; Infinitive: understand, Past simple: understood, Past participle: understood. Note: The remaining verbs in the box are regular verbs and do not have unique forms for Past Simple and Past Participle.