history: I'm so worried I will fail my Chemistry test. I just can't remember all the elements. I'm worried I will fail my Chemistry test next week. I can't remember all the elements in the periodic table. Have you been studying? If you do that_comma_ I am sure you won't fail.
current: Yeah I am going to type up some flash cards soon. I need to get on it soon!
next: Nice! I am sure you will pass with flying colors.