1. Nellie will leave.
2. am, my friends are waiting.
3. You were, did you like, I enjoyed.
4. Will you go.
5. I know, she has, she will live.
6. They didn"t know.
7. She is worrying, the problems are not.
8. He was, had.
9. Am I going.
10. Various kinds of sports are.
11. Both children and grown-ups are.
12. What is the matter, she is, I do not know.
13. Where are you going, I am going, which will take.
14. Do you know, a very interesting match took.
15. He went. 16.1 was, I enjoyed. 17. Our football team won. 18. Where is Boris, he is playing. 19. I am, I missed, I know, it is.