YOU SAID:

I should do my homework now

INTO JAPANESE

私は今、宿題をしなければならない

BACK INTO ENGLISH

I have to do my homework now.

INTO JAPANESE

今私は宿題をしなければならない。

BACK INTO ENGLISH

Now I have to do my homework.

INTO JAPANESE

今私は宿題をしなければならない。

BACK INTO ENGLISH

Now I have to do my homework.