1. Can I borrow your book？

2. Your work falls short of my expectations.

3. Your dog is so cute!

4. Your book is in the desk.

5. Your first duty is to your family.

6. Do you sleep on your back or your front？

7. If I was your wife I would poison your coffee.

8. I asked your father to put his name to a bill.

9. Emma, I trust your opinion a great deal.

10. Painkillers are very useful in small amounts to bring your temperature down.

11. This is your coat.

12. Where is your pan？

13. What is your favourite color？

14. Which is your bag？

15. They are your pets.

16. Do your parents mind your leaving home？

17. I left all of your messages on your desk.

18. What's your name？

希望这些例句能帮助你理解如何使用"your"作为开头来造句。