1. The speech was delivered by Mr. Johnson yesterday.
2. He is being held for further questioning by the police.
3. The box has been locked and I can't open it.
4. This dress was bought by my mother this morning.
5. The money was given back last Sunday.
6. He was sent aboard to study chemistry.
7. The food is being cooked in the kitchen by Mrs. Green.
8. The lesson is explained to the students by the teacher
9. We have been disappointed very much by the movie.
11. The patients are examined by the doctor.
12. The computer is turned off at night
13. The floor is cleaned every day.
14. The report had been finished the report by noon.
15. This exercise was done two days ago
16. These exercises can't be done quickly.
17. You will be asked several questions.
18. That noise was made by these boys.
19. We were made to work hard by them.
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