YOU SAID:
Tomorrow will be today yesterday.
INTO JAPANESE
明日は昨日今日になります。
BACK INTO ENGLISH
Tomorrow will be yesterday today.
INTO JAPANESE
明日は今日は昨日です。
BACK INTO ENGLISH
Tomorrow is yesterday today.
INTO JAPANESE
明日は今日は昨日です。
BACK INTO ENGLISH
Tomorrow is yesterday today.
That didn't even make that much sense in English.