We decided to introduce a new system.

That pupil goes to school every day.

Last night, a large-scale riot broke out in the city.

I talked about old memories with my schoolmate.

The discussion about the regional system in Japan is not over yet.

The building shook violently due to the earthquake.

The violent shaking caused by the earthquake hit the town.

Every Sunday, our family goes to the church.

This society should be even for everyone.

In Japanese grammar, auxiliary verbs play a very important role.