YOU SAID:
I MUST WALK THE CAT TOMORROW
INTO JAPANESE
私はCATの明日を歩かなければなりません
BACK INTO ENGLISH
I have to walk the CAT tomorrow
INTO JAPANESE
私は明日CATを歩かなければならない
BACK INTO ENGLISH
I have to walk CAT tomorrow
INTO JAPANESE
私は明日CATを歩かなければなりません
BACK INTO ENGLISH
I have to walk CAT tomorrow
That didn't even make that much sense in English.