His expression was gloomy, as if there was some problem.

I have been to Motsu-ji.

His possible course of action was to start a new business.

I have been studying all the time.

I plan to move my address next week.

He spent the day in a melancholy mood.

He walked around the room melancholically.

He has been melancholy recently and doesn't feel like enjoying anything.

He was walking around the room melancholically.

Learning about the history of Kutsugae is very important for understanding our past.