YOU SAID:

I have school tomorrow so i should go to bed

INTO JAPANESE

私は明日学校があるので私は寝るべきです

BACK INTO ENGLISH

I should go to bed because I have a school tomorrow

INTO JAPANESE

明日学校があるので寝るべき

BACK INTO ENGLISH

I should sleep because I have a school tomorrow

INTO JAPANESE

明日学校があるので寝る

BACK INTO ENGLISH

I will sleep because I have a school tomorrow

INTO JAPANESE

明日学校があるので寝る

BACK INTO ENGLISH

I will sleep because I have a school tomorrow