YOU SAID:

I have so much work to do on this day in this class ha

INTO JAPANESE

私はこのクラスでこの日にやるべきことがたくさんありますha

BACK INTO ENGLISH

I have a lot to do this day in this class ha

INTO JAPANESE

私はこのクラスのhaでこの日することがたくさんあります

BACK INTO ENGLISH

I have a lot to do this day in this class ha