YOU SAID:

she went by herself to get her own milk for her roommate

INTO JAPANESE

彼女は一人でルームメイトのために自分のミルクを取りに行きました

BACK INTO ENGLISH

she went alone to get her milk for her roommate

INTO JAPANESE

彼女は一人でルームメイトのためにミルクを取りに行きました

BACK INTO ENGLISH

She went alone to get milk for her roommate

INTO JAPANESE

彼女は一人でルームメイトのためにミルクを買いに行きました

BACK INTO ENGLISH

She went alone to buy milk for her roommate.

INTO JAPANESE

彼女は一人でルームメイトのために牛乳を買いに行きました。

BACK INTO ENGLISH

She went alone to buy milk for her roommate.