YOU SAID:

I should be studying right now but oh well

INTO JAPANESE

今勉強しているべきだけど

BACK INTO ENGLISH

I should study now

INTO JAPANESE

今勉強するべき

BACK INTO ENGLISH

Should study now

INTO JAPANESE

今勉強する必要があります

BACK INTO ENGLISH

I need to study now

INTO JAPANESE

私は勉強する必要があります。

BACK INTO ENGLISH

I have to study.

INTO JAPANESE

勉強しなきゃ

BACK INTO ENGLISH

I have to study.