I. EXAMPLES: How often is there a leap year? How often is there a flight to Shanghai? How often do you write to your parents? II. DIALOGUES: A: I’ve been having bad dreams lately. B: Really? How often? A: Just about every night. B: What do you dream about? A: I dream about being in a boat and suddenly a storm comes and I drown because I can’t swim. B: Maybe you should learn how to swim. Then you won’t have any nightmares