YOU SAID:
My mom took a dump with milk but father said I have to get milk
INTO JAPANESE
母は牛乳を飲んだけど、父は牛乳を買ってこないといけないと言った
BACK INTO ENGLISH
My mother drank milk, but my father said I had to buy milk.
INTO JAPANESE
母は牛乳を飲みましたが、父は私に牛乳を買わなければならないと言いました。
BACK INTO ENGLISH
My mother drank milk, but my father told me that I had to buy milk.
INTO JAPANESE
母は牛乳を飲んでいましたが、父は私に牛乳を買わなければならないと言っていました。
BACK INTO ENGLISH
My mother was drinking milk, but my father told me that I had to buy milk.
INTO JAPANESE
母は牛乳を飲んでいましたが、父は私に牛乳を買わなければならないと言った。
BACK INTO ENGLISH
My mother was drinking milk, but my father told me that I had to buy milk.
That didn't even make that much sense in English.