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?

Fundamental knowledge of mathematics is necessary for daily life.

He went up the steps.

Please tell me how to use this software.

Learning the inflected forms in Japanese is difficult.

I climbed up the five-step staircase.

Learning irregular verbs is difficult.