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

My new smartphone is very fast and easy to use.

I put a new sticker on my notebook.

Please stick the poster on the wall.

I stuck the poster on the wall.

My daughter is very happy with her new sticker book.

There is a deep meaning hidden behind this story.

His room is always filled with gloom.

He had been harboring pent-up feelings for a long time.

He suppressed his feelings and said nothing.