I. EXAMPLES: I’ll let you know when I’m leaving for Beijing. I’ll let you know if I can make it for dinner. I’ll let you know if I get bored. I’ll let you know when I get hungry. II. DIALOGUES: A: Are you coming to dinner tonight? B: I don’t know. I have to work late tonight. A: When will you know for sure? B: I’ll let you know this afternoon if I can make it for dinner tonight. A: What time this afternoon? B: I’ll give you a call around 3:00.
