YOU SAID:
my music homework is due tomorrow and I haven't done it
INTO JAPANESE
私の音楽の宿題は明日ですが、まだしていません
BACK INTO ENGLISH
My music homework is tomorrow, but I haven't done it yet
INTO JAPANESE
私の音楽の宿題は明日ですが、まだやっていません
BACK INTO ENGLISH
My music homework is tomorrow, but I haven't done it yet
That didn't even make that much sense in English.