What is a helping berb

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

Helping verbs are verbs that come before the main verb, or the verb describing the action of the sentencExplanation: for example  be, is, are,do was, been, are all Helping Verbs

to save the day, harry must get past a scary three-headed guard dog.

it is an infinitive phrase with a subject.