Basic purpose of this lecture is to present on Do Verbs and Have Verbs. It is tutorial study based lecture. 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. Question sample: Hounds (do, does) hunt best during cool fall nights. (Do, Does) you know that Billy is a brave young man. The barking (do, does) sound far away. etc.