Помогите пожалуйста сделать упражнения по английскому: Измените следующие предложения в Passive Voice. You must do three of these exercises tomorrow.You can find the book you need in any library.You can cross the river on a raft. I can easily forgive this mistake. Сделайте следующие предложения в отрицательную и вопросительную форму: 1. Mr. Bucket has to support his elderly parents.2.They had to turn to a private detective.3. We will have to admit that she is right. 4. She had to study hard last semester.