I. EXAMPLES: Are you sure? Are you sure about that? Are you sure of what you said? Are you sure that he is not coming? II. DIALOGUES: A: I’ve had so many problems with my new car. It’s driving me crazy. B: Are you sure you don’t want to buy a new one? A: How can I? I already spent a lot of money on this one. B: I guess you’ll be spending a lot of money on repairs then. A: I guess so. Unless, you want to buy the car. B: No, thanks. I don’t think I’d want to buy your car. It has too many problems. A: I don’t blame you. It’s a piece of junk.
