"helping verb"

(often a form of "be," "have," or "do")

ex: "I am working on it."

a verb acting as a noun clause

(usually the "-ing" form of the verb)

ex: "Eating worms is bad for your health."

verb used for issuing commands

ex: "Do it now!"

plain old verb in present tense

ex: "John plays with the ball."

an unconjugated verb with "to" in front of it

"To be, or not to be."

the "-ed" form of a verb

ex: "John has played with the ball before."

further information about the subject

(a verb and its cohorts)

ex: "This test is really bogus."

verb used to express conditional or counterfactual statements

ex: "If I were a rich man..."

a word that introduces a subordinate clause

ex: "Since you're awake, I'll turn on the TV."

a group of words acting as a noun

ex: "Playing the banjo is extremely annoying."

expression of direct address

ex: "Sit, Ubu, sit!"