YOU SAID:

Haven’t you done this already?

INTO JAPANESE

あなたはすでにこれをやっていませんか?

BACK INTO ENGLISH

Have you already been doing this?

INTO JAPANESE

あなたはすでにこれをやっていますか?

BACK INTO ENGLISH

Are you already doing this?

INTO JAPANESE

あなたはすでにこれをやっていますか?

BACK INTO ENGLISH

Are you already doing this?