Hey Friend!
A helping verb may be added to a main verb to make a verb phrase.
Examples of helping verbs: do, does did, may, might, must, has, had, have, could, should, would, etc.
Examples of main verbs: eat, kick, ran, jumped, squatted, twirled etc.
Verb phrase examples: Could kick; Did eat
*In each case, there is a main verb and helping verb*