Prepositions, conjunctions, helping verbs, and so forth are known as the ____ of grammatical forms.
A) fluent class
B) fixed class
C) open class
D) closed class

Question

Quizplus · Accepted Answer

Prepositions, conjunctions, and helping verbs are examples of closed class words. Closed class words are a limited set of words that are unlikely to change or gain new members, in contrast to open class words like nouns or verbs, which are more flexible and can add new words over time.

Prepositions, Conjunctions, Helping Verbs, and So Forth Are Known as the ____