1. How is your mother?
2. Tell me how your mother is.
3. Which tree did he want to climb?
4. I can guess which tree he wanted to climb.
5. Where are you now?
6. Guess where I am now.
7. Why didn’t you come to the party?
8. Tell me why you didn’t come to the party.
9. Where did you find this book?
10. I want to know where you found this book.