Решение:
- 1. The letter didn't come by post, it was put on our doorstep by someone while we were out. (Past Simple Passive, так как действие произошло в прошлом и не зависит от другого действия).
- 2. While the table was being laid, we had time to change our dirty clothes. (Past Continuous Passive, так как действие происходило в течение другого действия в прошлом).
- 3. Jack heard footsteps behind him and realized that he was being followed. (Past Continuous Passive, так как действие происходило в течение другого действия в прошлом).
- 4. This piece of advice was given to me by my father many years ago. (Past Simple Passive, так как действие произошло в прошлом).
- 5. While the man's identity was being checked by the police, he broke away and escaped. (Past Continuous Passive, так как действие происходило в течение другого действия в прошлом).
- 6. By whom "Hamlet" first was translated into Russian? (Past Simple Passive, так как спрашивается о действии, которое произошло в прошлом).
- 7. At that moment some music was playing loudly so I couldn't hear very well what he was saying to me. (Past Continuous, так как действие происходило в определенный момент в прошлом).
- 8. The rooms in the house still were being decorated when the family had to move in, which caused a lot of inconvenience. (Past Continuous Passive, так как действие происходило в течение другого действия в прошлом).
- 9. The play was staged first in 1903 and was a huge success. (Past Simple Passive, так как действие произошло в прошлом).
- 10. The children quickly were put in a line and were taken to their classroom. (Past Simple Passive, так как действия произошли в прошлом).
Ответ: 1. was put 2. was being laid 3. was being followed 4. was given 5. was being checked 6. was translated 7. was playing 8. were being decorated 9. was staged 10. were put, were taken