YOU SAID:

what would you do if you did what he did to you

INTO JAPANESE

もし彼があなたにしたことをしたなら、あなたはどうしますか

BACK INTO ENGLISH

What would you do if he did what you did

INTO JAPANESE

もし彼があなたがしたことをしたなら、あなたはどうしますか

BACK INTO ENGLISH

What would you do if he did what you did