history: I have to make a cheesecake later.  I am sure I can get it done. I have to make a cheesecake later. Is it for a special event?
current: Somewhat, it is for a pot luck dinner.  I am sure I can get it done.
next: I hope you are able to get it done in time - I love cheesecake so I'm jealous I won't be there to eat it!