Answer:
A helping verb (also known as an auxiliary verb) is used with a main verb to help express the main verb's tense, mood, or voice. The main helping verbs are "to be," "to have," and "to do." They appear in the following forms: To Be: am, is, are, was, were, being, been, will be. To Have: has, have, had, having, will have.
Explanation:
I think it's verb not berb ....
hope the answer was helpful ........
