1. I do not know. 2. Do they want. 3. She thinks, he drives. 4. He understands, he eats, he always forgets. 5. Who is that man, who is standing, don"t you recognize, it is. 6. I have, I am having. 7. Does your family leave, we always go, we all like, mother stays, father returns. 8. Where are Tom and Nick, they are having. 9. What are you doing, we are listening. 10. Do you want, I do. 11. Michael knows, he wants, he has. 12. Are you reading, it is, there are, are you, I am, I do not know. 13. We are having. 14. Does Lena usually prepare, she doesn"t, she works, what is she writing, she is writing.