1. The papers has just been signed by the dean .
2. The child was being examined by the doctor when she came.
3. The lights had been switched off by somebody .
4. Books will be returned by them in time.
5. The cake will have been baked by her by the time you come.
6. She said the letter would be typed first thing by her in the morning.
7. We knew that her promise would have been forgotten by her long before then.
8. New ways of cooking vegetables are invented by people every day.
9. One of his books was published by them last year.
10. Whom are being discussed by them now?
