YOU SAID:

I really should do my homework

INTO JAPANESE

私は本当に宿題をするべきです

BACK INTO ENGLISH

I ought to really do homework

INTO JAPANESE

私は本当に宿題をしなければならない

BACK INTO ENGLISH

I really have to do my homework

INTO JAPANESE

今は、宿題をしないといけない。

BACK INTO ENGLISH

I have to do my homework.

INTO JAPANESE

今は、宿題をしないといけない。

BACK INTO ENGLISH

I have to do my homework.