history: I have been studying a lot to take the bar test next week.  I have also taken some course and I believe I will pass the test. I have been studying a lot to take the bar test next week. I've also taken several courses to be ready for it.
current: Wow, heard that is a tough test, good luck and I'm sure you are prepared.
next: Yes I think I will do ok, I believe I've done everything I have to