Here are some examples of auxiliary verbs:
* be (am, is, are, was, were, being, been)
* have (has, have, had, having)
* do (do, does, did, doing)
* will
* shall
* can
* could
* may
* might
* must
* should
* would
For example:
* I am going to the store. ("am" is the auxiliary verb)
* She has been studying all night. ("has" and "been" are auxiliary verbs)
* They will be playing basketball later. ("will" and "be" are auxiliary verbs)