V. замените, где возможно, существительные с предлогом of формой притяжательного падежа: the opinion of the lawyer, the signature of the judge, the conclusions of the expert, the office of legal consultants, the notebook of investigator, the absence of law, the courts of magistrates, a set of rules.

The opinion of the lawyer - lawyer's opinion.
the signature of the judge - judge's signature.
the conclusions of the expert - expert's conclusions.
the office of legal consultants - legal consultants' office.
the notebook of investigator - investigator's notebook. 
the absence of law - law's absence.
the courts of magistrates - magistrates' courts. 
a set of rules.

1. Tim does his morning exercises every day. (What?). Тим делает зарядку каждый день.
Tim doesn't do his morning exercises every day. Does Tim do his morning exercises every day? What does Tim do every day?
2. He always smokes before lunch. (When?) Он всегда курит перед обедом.
He doesn't smoke before lunch (или He never smokes before lunch). Does he always smoke before lunch? When does he always smoke?
3. Mary’s mother taught her how to cook. (Whom?) Мама Мэри учила её готовить.
Mary’s mother didn't teach her how to cook. Did Mary's mother teach her how to cook? Whom did she teach how to cook?
4. Yesterday we spent a lot of money. (What?) Вчера мы потратили уйму денег.
Yesterday we didn't spend a lot of money. Did we spend a lot of money yesterday? What did we spend yesterday?
5. My sister will wear her new dress. (When?) Моя сестра оденет своё новое платье.
My sister won't wear her new dress. Will my sister wear her new dress? When will my sister wear her new dress?
6. We shall join them later. (Why?) Мы присоединимся к ним позже.
We shall not join them later. Shall we join them later? Why shall we join them later?

Now what does your nephew? – He works in the garden.
2. He found this picture while looking for some old book.
3. I haven't talked to him about it. I haven't seen him since morning.
4. At this time he always does, and relatives are trying not to disturb him.
5. In your place I would not argue.
6. He put the book on the table, turned off the light and left the room.
7. I am sure that he will sign the documents.
8. This wouldn't have happened if you were there.
9. When Anthony and Kate entered the hall, there was about twenty people.
10. Don't call me tomorrow. I'm going to do.
11. Harry is trying to fix the fence for several hours.
12. Ethan repaired the car for three hours, when Mary called him to dinner.
13. Don't Wake him. He hasn't slept for two days.
14. If you will not do more, it will be difficult to pass the exams.
15. Peter was looking through the newspaper, while Anya watched the TV show.
16. He always looks as if he were hurrying somewhere.
17. What a pity that I did not participate in this expedition; they say she was very interesting.
18. Would you feel better if I stayed up so late.
19. If you followed all the instructions of the doctor, you would have recovered and worked together with us.
20. You are so tanned as if he spent all summer in the South.