I like to congregate with my mom.
the coach want us to congregate for the practice tomorrow
Students should get to class promptly and not congregate in the hallway.
Stars show no tendency to congregate in the galactic plane.
Congregate means to create, spawn, or make something....
The teacher asked the students to congregate outside the door until the room was ready for them. The shoppers tended to congregate around the holiday tree.
The preacher congregated his followers for an important announcement.
The antonym for congregate is disperse.
The noun form of the verb to congregate is congregation.
The leader wanted us to congregate for a meeting the next week.
No, it is not an adverb. Congregate is a verb. One adverb form is based on the noun (congregation): it is congregationally.
"Is" is a verb in the given sentence, as it is the action word expressing a state of being or existence. The other words mentioned — aggregate, congregate, segregate — are also verbs that indicate different actions or processes. Nouns are words that represent people, places, things, or ideas, and in this context, "is" is being used as a verb.