1. 1.Why is he late? Please tell me________. Please tell me why he is late. 2. Would you please tell me ? When will you come? Would you please tell me when you will come? 3.I want to know. Are you a teacher? I want to know if/whether you are a teacher.

2. 4. I don’t know. You have done it. I don’t know if/whether you have done it. 5. I am not sure. Can you do it? I am not sure if/whether you can do it. 6. Whose book did he find? Do you remember _______________? Do you remember whose book he found

3. 7. He said. He was a teacher. He said he was a teacher. 8. What is his name? Do you know______________? Do you know what his name is? 9. How old is she? I don’t know ________________. I don’t know how old she is.