The verb "outdo" is an irregular verb in English, commonly used to describe the action of performing better or surpassing someone or something in a particular activity or achievement. Its conjugation deviates from the regular pattern for verbs.

In the present simple tense, "outdo" follows its base form for most subjects: "I outdo," "you outdo," "he/she/it outdoes," and so on. For example, "She always tries to outdo her competitors."

In the past simple tense, "outdo" changes to "outdid." This irregular form is used to talk about actions that occurred and concluded in the past. For instance, "He outdid himself in the last match."

The past participle of "outdo" is "outdone." When forming perfect tenses, such as present perfect or past perfect, the past participle is combined with auxiliary verbs. An example sentence is "They have outdone their previous performance."

Understanding the irregular conjugation of "outdo" is important for accurately describing actions related to surpassing or outperforming. The verb "outdo" is used in various contexts, emphasizing its significance in the English language.