history: I am so mad, my dog ate my homework that I spend 2 hours on, so now I have to redo the whole thing!  I am so mad_comma_ my dog ate my homework that I spend 2 hours on_comma_ so now I have to redo the whole thing! 
current: Oh no, that's terrible, what are you going to do?
next: I guess I will just have to redo everything if my teacher does not believe me :( 