YOU SAID:

dad went to buy milk and never returned

INTO JAPANESE

パパは牛乳を買いに行ったが、戻らなかった

BACK INTO ENGLISH

Dad went to buy milk, but he didn't come back.

INTO JAPANESE

パパは牛乳を買いに行ったが戻ってこなかった。

BACK INTO ENGLISH

My dad went to buy milk, but he didn't come back.

INTO JAPANESE

父は牛乳を買いに行ったが戻ってこなかった。

BACK INTO ENGLISH

My father went to buy milk, but he didn't come back.

INTO JAPANESE

父は牛乳を買いに行ったが戻ってこなかった。

BACK INTO ENGLISH

My father went to buy milk, but he didn't come back.