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Чтобы преобразовать предложения в пассивный залог, нужно переместить объект в начало предложения, изменить форму глагола, добавив нужную форму глагола "to be", и поставить первоначальный подлежащее после предлога "by". Вот подробное решение: 1. **The rule is given by the authors.** - Исходное: The authors give the rule on the first page. - Пассив: The rule is given by the authors. 2. **A new lock has been bought by my parents.** - Исходное: My parents have bought a new lock. - Пассив: A new lock has been bought by my parents. 3. **The telephone was invented by Alexander Bell.** - Исходное: Alexander Bell invented the telephone. - Пассив: The telephone was invented by Alexander Bell. 4. **A tasty lunch had been cooked by my mother before I came home.** - Исходное: My mother had cooked a tasty lunch before I came home. - Пассив: A tasty lunch had been cooked by my mother before I came home. 5. **The town was destroyed by the hurricane last year.** - Исходное: The hurricane destroyed the town last year. - Пассив: The town was destroyed by the hurricane last year. 6. **This article will be translated by them tomorrow.** - Исходное: They will translate this article tomorrow. - Пассив: This article will be translated by them tomorrow. 7. **Her face was hidden by the branches of the tree.** - Исходное: The branches of the tree hid her face. - Пассив: Her face was hidden by the branches of the tree. 8. **Some new metro lines are being constructed by them.** - Исходное: They are constructing some new metro lines. - Пассив: Some new metro lines are being constructed by them. 9. **Russian isn't spoken by us in English classes.** - Исходное: We don't speak Russian in English classes. - Пассив: Russian isn't spoken by us in English classes. 10. **They haven’t been given any money yet by anybody.** - Исходное: Nobody has given them any money yet. - Пассив: They haven’t been given any money yet by anybody. Обратите внимание на изменения форм глагола "to be" в зависимости от времени исходного предложения.