An irregular verb is one that does not form its simple past tense or its past participle by adding "-ed" or "-d" to the base form. Irregular verbs contrast with regular verbs, which form the simple past tense and past participle by adding "-ed" or "-d."
Answer: A irregular verb does not form a simple past tense like adding "-ed" or "-d" Irregular verbs contrast with regular verbs, which form the simple past tense and past participle by adding "-ed" or "-d."
