traditional grammar, pronouns are often classified with nouns. But a little thought
shows us that nouns and pronouns have very different forms. Pronouns also
function somewhat differently than nouns do.
qualifier precedes an adjective or adverb, modifying it by increasing or
decreasing its quality. In that respect, a qualifier is a kind of adverb (since
it always modifies something other than a noun). However, it is not a true
adverb, but a structure class word.
verbs provide grammatical information about the main verb. Specifically, these
verb indicate information about tense, mood, and voice. (We’ll talk about all
of this in more depth later on.) You may have heard these verbs called “helping
far, we have been looking at Form Class Words – nouns, verbs, adjectives, and
adverbs. To review, form class words are words that can change their shape by
accepting morphemes. So a noun, like dog,
can become dogs; and an adjective
like happy can become happier, or unhappy.