I spent some break time at the park.

He was longing for his distant hometown.

Kei is a very wise person.

This computer is using the latest technology.

At that time, I was still a student.

He was able to solve the complex calculation quickly.

His success had a cause-and-effect relationship with his efforts.

By learning the imperfective form, you can understand Japanese grammar more deeply.

The radius of this circle is 5 centimeters.

The Winter Triangle is a shape that connects the brightest stars in the night sky.