A day has 24 hours.

It is important for each person to fulfill their role.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

The use of this machine is simple.

The first day of the month is the beginning of a new month.

He is the most competent employee of our company.

That building is very old.

The permissible use of this building is 500 people per day.

He did not tolerate her being late.