a word that modifies or describes a noun or pronoun

a word that modifies or describes a verb, adjective, or another adverb

a word that takes the place of a noun

a word that joins two words or two or more groups of words; "hooking up words and phrases and clauses" from "Schoolhouse Rocks"

a word that shows emotion but has no grammatical function

I, you, he, she, it, we, they

me, you, him, her, it, us, them

for, and, nor, but, or, yet, so

either/or, neither/nor, not only/but also

may, might, must, be, being, been, am, is, are, was, were, do, does, did, should, could, would, have, has, had, will, can, shall

aboard, about, above, across, after, against, along, amid, among, around, at, atop, before, behind, below, beneath, beside, between, beyond, but, by, concerning, down, during, except, for, from, in, inside, into, like, near, of, off, on, onto, out, outside, over, past, regarding, since, through, throughout, to, toward, under, underneath, until, up, upon, with, within, without