YOU SAID:
My dad never came back with the milk
INTO JAPANESE
お父さんは牛乳を持って帰ってこなかった
BACK INTO ENGLISH
Dad didn't come home with milk
INTO JAPANESE
お父さんは牛乳を持って帰ってこなかった
BACK INTO ENGLISH
Dad didn't come home with milk
That didn't even make that much sense in English.