YOU SAID:
I don't have something to do.
INTO JAPANESE
私は何かを持っていません。
BACK INTO ENGLISH
I do not have to do something.
INTO JAPANESE
何かしなければならない。
BACK INTO ENGLISH
I have to do something.
INTO JAPANESE
何かしなければならない。
BACK INTO ENGLISH
I have to do something.
You've done this before, haven't you.