YOU SAID:
When i go home I will play video games for several hours
INTO JAPANESE
私が部屋に入った時息子はもう何時間も書きものをしていた。
BACK INTO ENGLISH
My son had been writing for several hours when I entered the room.
INTO JAPANESE
私が部屋に入った時息子はもう何時間も書きものをしていた。
BACK INTO ENGLISH
My son had been writing for several hours when I entered the room.
You've done this before, haven't you.