Can and Have to.

 Conversation N°1. 

Disclaimer: HP and his characters do not belong to me, they belong to J.K.  Rowling,  but the dialogues below are my own.

Harry Potter: B, Hermione Granger: C, y 

Ron Weasley: A. 

A. Tomorrow is Hogsmeade weekend. Why don't we go to Honeydukes tomorrow?

B. oh yeah, I heard there's a new version of chocolate frogs that you can change colors with.

C. We can't on Monday we have a pocoones exam if we don't study we'll fail.

B. Please hermione it's a topic we saw last year, we can go over it on sunday.

A. The Honeydukes promotion is only in the morning.

C. It's okay we can go out for a while, but then we study.

B. I have to buy varnis for my ecova, they would accompany me.

C. Hmm ok but we will take you.

A. ok, we can leave around 10:00 and when we finish shopping, we can have lunch at pig's head.

C. Fine, but in the afternoon we study in the common room.

A./B. Ok.