YOU SAID:
I should start doing my homework now.
INTO JAPANESE
私は今宿題を始めなければならない。
BACK INTO ENGLISH
I must start my homework now.
INTO JAPANESE
宿題、片付けなきゃ。
BACK INTO ENGLISH
I must do my homework.
INTO JAPANESE
宿題、片付けなきゃ。
BACK INTO ENGLISH
I must do my homework.
Come on, you can do better than that.