YOU SAID:
I really should be doing my homework.
INTO JAPANESE
私は本当に宿題をしているはずです。
BACK INTO ENGLISH
I should be doing my homework.
INTO JAPANESE
私は宿題をやっている必要があります。
BACK INTO ENGLISH
I'm doing my homework.
INTO JAPANESE
宿題をしてるの
BACK INTO ENGLISH
I'm doing my homework.
Okay, I get it, you like Translation Party.