Answer: First, it changes because the needs of its speakers change. ... As young people interact with others their own age, their language grows to include words, phrases, and constructions that are different from those of the older generation.
the, be, to, of, and, a, in, that, have, I, it, for, not, on, with, he, as, you, do, at, this, but, his, by, from, they, we, say, her, she, or, an, will, my, one, all, would, there, their, what, so, up, out, if, about, who, get, which, go, me