Используйте passive voice. change the sentences using the words in brackets.

3. the book is often referred to. (when it is published)
4. he is waited for. (now)
5. the children are looked after. (since their mother left)
6. the film is much spoken about. (last year)
7. she is laughed at. (if she puts on this hat)
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3. The book is often referred to when it is published.
- In this sentence, the passive voice is used to highlight the action being done to the book. The subject "the book" is receiving the action of being referred to. The time frame "when it is published" is added to specify when the book is referred to.

4. He is waited for now.
- Here, the active sentence "People wait for him now" is changed to passive voice. The subject "he" becomes the object and the verb "is waited for" emphasizes that he is the one being awaited.

5. The children have been looked after since their mother left.
- In this sentence, the passive voice is used to indicate that someone else is taking care of the children. The subject "the children" are receiving the action of being looked after. The time frame "since their mother left" is mentioned to specify when the children started being taken care of.

6. The film was much spoken about last year.
- In this sentence, the passive voice is used to emphasize that people were talking a lot about the film. The subject "the film" receives the action of being spoken about. The time frame "last year" is added to indicate when the film generated a lot of discussion.

7. She is laughed at if she puts on this hat.
- Here, the active sentence "People laugh at her if she puts on this hat" is changed to passive voice. The subject "she" becomes the object and the verb "is laughed at" emphasizes that she is the one being laughed at. The condition "if she puts on this hat" remains the same.