YOU SAID:

You ain’t seen my room sis

INTO JAPANESE

お姉ちゃんの部屋を見てないの？

BACK INTO ENGLISH

Haven't you seen your sister's room?

INTO JAPANESE

姉さんの部屋を見なかった？

BACK INTO ENGLISH

Have you seen your sister's room?

INTO JAPANESE

姉さんの部屋を見た？

BACK INTO ENGLISH

Did you see your sister's room?

INTO JAPANESE

姉さんの部屋を見た？

BACK INTO ENGLISH

Did you see your sister's room?