I perform work every day.

He continued hard labour all day long.

What is the motive for his actions?

His body was covered in muscles.

This sculpture is made of pure copper.

A verb plays the role of expressing actions or states in a sentence.

He always acts based on humanity.

Bottlenose dolphins are considered to be particularly intelligent among marine animals.

He is planning a transfer from Tokyo to Osaka.

He is my schoolmate from elementary school.