YOU SAID:
i have homework to do
INTO JAPANESE
私はするべき宿題があります。
BACK INTO ENGLISH
I have homework to do.
INTO JAPANESE
宿題があります。
BACK INTO ENGLISH
Do my homework.
INTO JAPANESE
私の宿題をしないでください。
BACK INTO ENGLISH
Do my homework.
That didn't even make that much sense in English.