Irregular verbs are verbs that do not follow the standard rule of adding “-ed” to form the past tense and past participle: Example: “Be” becomes “was” or “were” in the past tense, and “been” in the past participle. Go: Becomes “went” in the past tense, and “gone” in the past participle Eat: Becomes “ate” in the past tense, and “eaten” in the past participle Sing: Becomes “sang” in the past tense Irregular verbs have their own unique tense forms and past participles. Learning to conjugate irregul