YOU SAID:

when will my dad come back with the milk

INTO JAPANESE

父はいつミルクを持って戻ってくるのか

BACK INTO ENGLISH

When will my father come back with milk

INTO JAPANESE

父がいつ戻るか知りません。

BACK INTO ENGLISH

I don't know when my father will come back.

INTO JAPANESE

父がいつ戻るか知りません。

BACK INTO ENGLISH

I don't know when my father will come back.