What is the verb of class?

There isn't a single verb that perfectly captures the essence of "class" in all its uses. However, depending on the context, here are some verbs that can be used:

General use:

* Attend: "I'm attending a class on photography."

* Take: "She's taking an English class."

* Teach: "He teaches a history class."

* Learn: "I'm learning a lot in this class."

More specific use:

* Classify: "The scientist classified the animals into different classes."

* Categorize: "The store categorizes its products by class."

* Group: "The students were grouped into classes based on their skill level."

Figurative use:

* Belong to: "She belongs to the upper class."

* Represent: "This art piece represents the working class."

* Exemplify: "The speaker exemplified the different classes in society."

It's important to consider the context to choose the most appropriate verb.

For example, if you are talking about a classroom setting, "attend" or "take" would be the most suitable verbs. If you are discussing social classes, "belong to" or "represent" might be better choices.