I helped him with his homework.

His explanation was impossible to understand.

I am interested in Japanese language education.

This is my new car.

He understands the usage of the attributive adjective.

Predicative adjectives are used to describe the state or nature of the subject of a sentence.

I removed the training wheels from my bicycle.

Using auxiliary verbs makes the meaning of the sentence clearer.

The airplane uses ailerons to turn left and right.

This music is flowing with a pleasant ⠐⠫ along with a beautiful melody.