history: I am so worried about my math test coming up. I am afraid I will flunk it. I need to study more. I got a big math test coming up. I am so worried I will flunk it. Don't think that well! As long as you are prepared_comma_ you will do great!
current: Yeah I think I need to study some more. I hate trigonometry so much.
next: Ah, yeah, I struggled with that too, but if you try hard enough you will get through it.