1. He can speak three foreign languages.

2. You can have a dog if you promise to look after it.

3. It can’t be that she hasn’t read this book.  

4. You can’t stay here. There is nothing I can do about it at the moment.

5. Can you write with your left hand?

6. Can I have a look at your mobile phone, please?

7. How can you have been away for such a long time?

8. What can I do for you?