YOU SAID:

My brother just plays videogames

INTO JAPANESE

兄はただビデオゲームをしているだけだ

BACK INTO ENGLISH

My brother's just playing video games.

INTO JAPANESE

兄はただのテレビゲームをしているだけだ。

BACK INTO ENGLISH

My brother is just playing video games.

INTO JAPANESE

兄はただテレビゲームをしているだけだ。

BACK INTO ENGLISH

My brother is just playing video games.