This complex is a combination of a shopping mall and an office building.

A new idea was born when these two elements were combined.

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

He bought a new jacket.

My room is on top of the building.

This book is the first volume of a trilogy.

We will make a decision after listening to his opinion.

School grammar is the foundation of Japanese education.

His Japanese sentences have many grammar mistakes.

It is important to understand the importance of health.