Too funny, Pug. The things that stick with you years later. Mine happens to be the list of 23 helping verbs, memorized in the 6th grade under penalty of the torture they allowed back then in school.
Is, am, are, was, were, be, being, been, has, have, had, do, does, did, shall, will,should , would, may, might, must, can and could.
LMAO-my long dead English teacher would be sooo proud. :-D