(Перепиши предложения в пассивном залоге. Обрати внимание на употребление модальных глаголов в пассивных конструкциях.) Образец: Children may take their toys to the class. Children’s toys to the class. 1. Someone must warn them about the danger. They about the danger. 2. You should not leave the door unlocked. The door unlocked. 3. Mary must bring the letters today. The letters by Mary today. 4. The courier has to deliver the parcels today. The parcels by the courier today.

1. They must be warned about the danger.
- Passive construction: They must be warned.
- Modals in passive construction: Must be

2. The door should not be left unlocked.
- Passive construction: The door should not be left.
- Modals in passive construction: Should be

3. The letters must be brought today by Mary.
- Passive construction: The letters must be brought by Mary.
- Modals in passive construction: Must be

4. The parcels have to be delivered today by the courier.
- Passive construction: The parcels have to be delivered by the courier.
- Modals in passive construction: Have to be