YOU SAID:
I went out to buy milk for my mother.
INTO JAPANESE
私は母のために牛乳を買いに出かけた。
BACK INTO ENGLISH
I went out to buy milk for my mother.
INTO JAPANESE
私は母のために牛乳を買いに出かけた。
BACK INTO ENGLISH
I went out to buy milk for my mother.
That didn't even make that much sense in English.