General purpose of this lecture is to present on Use of Have Verbs. Auxiliary Verbs “Be,” “Do,” “Have” An auxiliary verb helps the main (full) verb and is also called a “helping verb.” With auxiliary verbs, you can write sentences in different tenses, moods, or voices. Use has with the pronouns he, she, and it, or whenever you mean only one person or thing. Use have with the pronouns I, you, they and we, or whenever you mean more than one person or thing.