YOU SAID:

I have to go to school today to learn .

INTO JAPANESE

私は今日学校に行かなければなりません。

BACK INTO ENGLISH

I have to go to school today.

INTO JAPANESE

私は学校へ行かなければならない。

BACK INTO ENGLISH

I have to go to school.

INTO JAPANESE

私は学校へ行かなければならない。

BACK INTO ENGLISH

I have to go to school.