Final answer:
Irregular verbs are verbs that don't change despite the tense.
Step-by-step explanation:
Irregular verbs are verbs that don't follow the regular pattern of verb conjugation. They don't change despite the tense. Regular verbs, on the other hand, follow a consistent pattern and end with -ed in the past tense and past participle forms. For example, the verb 'go' is irregular as its past tense is 'went' and not 'goed'.
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