Completar frases Irregular verbsVersión en línea Common irregular verbs in past por Angie Nava 1 began swam drank saw lay were ate was forgave gave sang The past form of 'be' is or . The past form of 'eat' is . The past form of 'forgive' is . The past form of 'give' is . The past form of 'lie' is . The past form of 'see' is . The past form of 'begin' is . The past form of 'drink' is . The past form of 'sing' is . The past form of 'swim' is .