Переделайте следующие предложения в passive voice. 1. you must do three of these exercises tomor¬row. 2. you can find the book you need in any library. 3. we must send these letters at once. 4. you must take the box to the station. 5. you can cross the river on a raft. 6. the workers сan finish the building of the house very soon. 7. you must return the books the day after tomorrow. 8. i can easily forgive this mistake. 9. you can find such berries everywhere. 10. you must do this work very carefully. 11. the doctor says they must take her to hospital. 12. you can do the work in three days. 13. the students must return all the library books before each summer vacation. 14. monkeys can climb even the tallest frees.
2. The book you need can be found in any library.
3. These letters must be sent at once.
4. The box must be taken to the station.
5. The river can be crossed on a raft.
6. The building of the house can be finished very soon.
7. The books must be returned the day after tomorrow.
8. This mistake can be easily forgotten.
9. Such berries can be found everywhere.
10. This work must be done very carefully.
11. The doctor says she must be taken to hospital.
12. The work can be done in three days.
13. All the library books must be returned before each summer vacation.
14. Even the tallest trees can be climbed by monkeys.