YOU SAID:
unfortunately tomorrow i have to go to school
INTO JAPANESE
残念ながら明日は学校に行かなければなりません
BACK INTO ENGLISH
Unfortunately I have to go to school tomorrow
INTO JAPANESE
残念ながら明日は学校に行かなければなりません
BACK INTO ENGLISH
Unfortunately I have to go to school tomorrow
You've done this before, haven't you.