Сделать по : 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.

1 Three of these exercises must be done tomorrow.
2 The book you need can be found in any library.
3 The river can be crossed on a raft.
4 This mistake can be easily forgiven.

1. Mr. Bucket doesn't have to support his elderly parents.
2. They didn't have to turn to a private detective.
3. We won't have to admit that she is right.
4. She didn't have to study hard last semester.

1. Does Mr. Bucket have to support his elderly parents?
2. Did they have to turn to a private detective?
3. Will we have to admit that she is right?
4. Did she have to study hard last semester?