what do you think? = What do you think will happen next?

next class speak story. = I'll tell you what happened in the story on our next class.

you think next story. because next story is very heard and funny. = Think of another story because the next one will be hard to tell, yet funny.

i am speak next stoy at next class. = I am going to tell you the next story in our class.

NOTE: I'm excited! ^^