To change a verb from its infinitive form to its past participle form: For 'are' verbs, replace the 'are' with 'ato' For 'ere' verbs, replace the 'ere' with 'uto' For 'ire' verbs, replace the 'ire' with 'ito' andare = to go, andato = went preparare = to prepare, preparato = prepared lavare = to wash, lavato = washed parlare = to speak, parlato = spoke mangiare = to eat, mangiato = ate volere = to want, voluto = wanted credere = to believe, creduto = believed vendere = to sell, venduto = sold avere = to have, avuto = had ricevere = to receive, ricevuto = received dormire = to sleep, dormito = slept sentire = to hear or feel, sentito = heard or felt finire = to finish, finito = finished partire = to leave, partito = left capire = to understand, capito = understood