YOU SAID:

my dad went to get milk but never returned

INTO JAPANESE

お父さんは牛乳を取りに行ったが帰ってこなかった

BACK INTO ENGLISH

Dad went to get milk but didn't come back

INTO JAPANESE

お父さんは牛乳を取りに行ったが戻ってこなかった

BACK INTO ENGLISH

Dad went for milk but didn't come back

INTO JAPANESE

お父さんは牛乳を買いに行ったが、戻ってこなかった

BACK INTO ENGLISH

Dad went to buy milk but didn't come back

INTO JAPANESE

お父さんは牛乳を買いに行きましたが、戻ってきませんでした

BACK INTO ENGLISH

Dad went to buy milk but did not come back

INTO JAPANESE

お父さんは牛乳を買いに行ったが、戻ってこなかった

BACK INTO ENGLISH

Dad went to buy milk but didn't come back

INTO JAPANESE

お父さんは牛乳を買いに行きましたが、戻ってきませんでした

BACK INTO ENGLISH

Dad went to buy milk but did not come back