I.Fill in gaps with can, can’t or could. Then, say what they express in each sentence. 1. A: Mum, … I go on holiday with my friends this year? B: I’m afraid you … You’re too young. 2. A: Sir, I need to leave work early tonight, if that’s possible. B: You … leave early if you finish all your work first. 3. A: My mum always sail that I was a clever child. B: What do you mean? A: Well, I … read and write when I was four years old. 4. A: It’s raining, so we … go out tonight. B: Well, we’ll stay in then. A: But, I want to do something nice. I’m bored. B: We .. play chess . 5. A: Excuse me? B: Yes. A: … you tell me the time, please? B: Yes, it’s almost 2 o’clock.