Irregular Verbs are the ones that don't follow the rule of adding "D" or "ED" to the end to show the past or Past Participle tense. (Reminder: Past participle Tense happened more than once in the past, and has the word have, has, or had in front of it. )Many of the most common verbs in English form their past and past participle tenses in irregular ways. Examples include: go, went (have) gone; see, saw, (have) seen; give, gave, (have) given; fly, flew, (have) flown, and more. Irregular