YOU SAID:
school is horrible and it must end sometime
INTO JAPANESE
学校は恐ろしいですし、いつか終わらなければなりません
BACK INTO ENGLISH
School is horrible and must end someday
INTO JAPANESE
学校は恐ろしいし、いつか終わらなければならない
BACK INTO ENGLISH
School is horrible and must end someday
That didn't even make that much sense in English.