These 23 helping verbs usually HELP the main verb, so your sentence actually has 2 verbs.
Be Verbs - show a state of being.
He IS funny.
He's not doing anything like running or jumping; he is just BEING funny.
am
is
are
was
were
be
being
been
Helping Verbs - go with a main verb
He did run.
The main verb is run. Did is the helping verb. It helps the word run to show what he did.
has, have, had
do, does, did
might, must, may
can, could
would, should
shall, will