1. Been is used as a helping verb in sentences to form sentences in the perfect tense

2. The unContractible auxiliary refers to the verb “to be” when it is used as an auxiliary or helping verb (Owens, 2001)

3. Auxiliary Verbs An Auxiliary verb (or a helping verb as it's also called) is used with a main verb to help express the main verb's tense, mood, or voice

4. Aught, not to be confused with the helping verb "ought," is a word you'll hear most often in the U.K., where, in a very confusing manner, it can mean either everything or — wait for it — nothing at all.