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 exercised every day and became young quickly.

This mutation has changed the function of the gene.

His voice change came very early, starting at the age of 12.

It's difficult to remember irregular verbs.

This song is characterized by its irregular time, making the rhythm unique.