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

Regular verbs are relatively easy to learn.

He can write sentences using potential verbs.

Using auxiliary verbs makes the meaning of the sentence clearer.

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

She is learning how to use pronouns.

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

What is the main verb of this sentence?

He understands the importance of learning.

He is majoring in psychology.