Измените предложения в активном залоге на пассивный залог, обращая внимание на грамматическое время глагола. Используйте предлог by.
Например: French priests built this cathedral. (Французские монахи построили этот собор.) – This cathedral was built by French priests. (Этот собор был построен французскими монахами.)
The headmaster sent a letter. (Директор школы прислал письмо.)
2. Our children will organize the Christmas party next Friday. (Наши дети организуют Рождественский вечер в следующую пятницу.)
3. Mary trains the dogs in the garden. (Мэри дрессирует собак в саду.)
4. Mrs. Simpson has cleaned all the windows today. (Миссис Симпсон помыла все окна сегодня.)
5. Frank has packed the suitcase. (Фрэнк упаковал чемодан.)
6. Bob paid the bills. (Боб оплатил счета.)
7. The doctor will examine her tomorrow. (Доктор осмотрит ее завтра.)
8. My granny paints the door every year. (Моя бабушка красит дверь каждый год.)

спасибо огромное

http://online-teacher.ru/blog/english-passive-voice

1. A letter was sent by the headmaster.2. The Christmas party will be organized by our children next Friday.3. The dogs are trained by Mary in the garden.4. All the windows have been cleaned by Mrs. Simpson today.5. The suitcase has been packed by Frank.6. The bills were paid by Bob.7. She will be examined by the doctor tomorrow.8. The door is painted by my granny every year.

2. The Christmas party will be organized by our children next Friday. 3. The dogs are being trained by Mary in the garden. 4. All the windows have been cleaned today by Mrs Simpson. 5. The suitcase has been packed by Frank. 6. The bills were paid by Bob. 7. She will be examined by the doctor tomorrow. 8. The door is painted by my granny every year.