YOU SAID:

I have to go to school by the car

INTO JAPANESE

車で学校に行かなければならない

BACK INTO ENGLISH

I have to go to school by car

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.