This discussion is completely meaningless.

Regular verbs are relatively easy to learn.

He can write sentences using potential verbs.

Using a causative verb, I made him clean the room.

Learning how to use compound verbs is important for understanding Japanese grammar.

What is the main verb of this sentence?

She is learning how to use pronouns.

Reflexive verbs are used to express actions where the subject is acting on itself.

I felt his behavior was very free.

Separable verbs are unique to German grammar.