YOU SAID:
I don't know if I can get it to you tomorrow morning
INTO JAPANESE
明日の朝に届くかどうかわからない
BACK INTO ENGLISH
I don't know if it will arrive tomorrow morning
INTO JAPANESE
明日の朝に到着するかどうかわかりません
BACK INTO ENGLISH
I don't know if I will arrive tomorrow morning
INTO JAPANESE
明日の朝に到着するかどうかわかりません
BACK INTO ENGLISH
I don't know if I will arrive tomorrow morning
That didn't even make that much sense in English.