YOU SAID:
today was great but tomorrow is going to be better
INTO JAPANESE
今日は素晴らしかったが、明日は良くなるだろう
BACK INTO ENGLISH
It was great today but it will be better tomorrow
INTO JAPANESE
今日は素晴らしかったが、明日は良くなる
BACK INTO ENGLISH
It was great today but it will be better tomorrow
That didn't even make that much sense in English.