YOU SAID:

I don't have school tomorrow

INTO JAPANESE

私は明日学校を持たない

BACK INTO ENGLISH

I have no school tomorrow

INTO JAPANESE

明日学校があるないです。

BACK INTO ENGLISH

I have school tomorrow is not.

INTO JAPANESE

学校がある明日は無い。

BACK INTO ENGLISH

I don't have school tomorrow.

INTO JAPANESE

明日学校がありません。

BACK INTO ENGLISH

No school tomorrow.

INTO JAPANESE

明日学校ないです。

BACK INTO ENGLISH

No school tomorrow.