A: Can I go to Maria's party on Saturday?
B: Of course you can. What time does it start?
A: Could you drive me to the football match?
B: No, I'm sorry. I can't. I'm busy.
A: Can I go to the cinema with Ben tonight?
B: No, you can't. It's Tuesday and you have school
tomorrow.
A: Can I stay at Lizzie's house tonight?
B: I'm not sure. Did you ask her mum?
A: Could you ask Mr Turner to come in?
B: Yes, of course. I'll go and ask him now.
A: Could Rachel stay here on Friday night?
B: Yes, if Rachel's mum lets her.