Can-can't

Can I borrow your book, please?

• No, you won't.
• Of course.

Can I help you, Sir?

• No, you couldn't.
• No, thank you. I'm just looking!

Could you help me with my homework, please?

• I'm sorry but I can't.
• I'm sorry but I couldn't.

Can you help me to move these boxes, please?

• Yes, I could.
• Certainly.

We could go to the theatre tonight.

• No, we will not.
• That's a good idea.

Can I go to a party tonight, please?

• No, I'm afraid you can't.
• Yes, you should.

Could I use your phone, please?

• No, you couldn't.
• Yes, of course.

Can I wear your jeans tonight?

• Are you crazy?
• Yes, you could.

Can you talk quietly, please? The child is sleeping.

• No, I will not.
• Oh, I'm sorry! I did't know that.

We can make a cake together tonight.

• That's not a very good idea.
• Well, I'm sorry. I couldn't!