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.

His phone rang while he was in the middle of a meal.

He was standing behind me.

He was playing with the dog at the back of the house.

He leaned his back against the chair and relaxed.