history: I was sure I would do good on this exam coming up. I studied so hard for it.  I studied so hard and prepared for this exam tomorrow. I bet I will make no less than an A I am sure you will. Good luck for you!! Thanks! It will be a breeze. 
current: Whats kind of exam is that?
next: Statistics exam. I aced this class for sure. There's no doubt in my mind. 