YOU SAID:
What the heck is this thing supposed to do??
INTO JAPANESE
どんなことがやらなければならないのでしょうか?
BACK INTO ENGLISH
What kind of things must be done?
INTO JAPANESE
どのようなことをしなければならないのですか?
BACK INTO ENGLISH
What kind of things do you have to do?
INTO JAPANESE
どのようなことをしなければなりませんか?
BACK INTO ENGLISH
What kind of things do you have to do?
That didn't even make that much sense in English.