A regular verb is any verb whose conjugation follows the typical pattern, or one of the typical patterns, of the language to which it belongs. A verb whose conjugation follows a different pattern is called an irregular verb.

Is it a regular or irregular verb?

Irregular verb: To Have.

What are irregular verbs examples?

A verb in which the past tense is not formed by adding the usual -ed ending. Examples of irregular verbs are sing (past tense sang); feel (felt); and go (went). (Compare regular verb.)