Most often, the word class is a noun. example: He teaches the
fifth grade class.
In the following sentence, class is an adjective:
Our class project won first place.
The word class describes the project. Therefore, it is an
"Although they had triangular sides, pyramids had quadrilateral
"I had a quadrilateral target for my archery class."
In pyramid sentence form (article, adjective, noun, verb, adverb
"The quadrilateral target was moved slowly at archery
Extraordinary is an adjetive, it describes a noun. That
collection is extraordinary Extraordinarily is an adverb, this is
describing the verb. She is traveling extraordinarily, always
taking first class!