Краткое пояснение: Раскрытие скобок с использованием глаголов в пассивном залоге.
- The rule explained by the teacher at the last lesson was to be understood by all of us.
- The poem was so beautiful that it had to be learned by everybody.
- I hope the invitation will be accepted by everybody.
- The letter is to be posted in half an hour.
- It seems to me that music is heard from the next room.
- At the last competition the first prize was to be won by our team.
- The question was to be settled as soon as they arrived.
- Your report must be divided into two chapters.