(transformation of the sentences according to the models)
1.1. Replace with the modal equivalents.
Не can translate very well. They can translate very well.
He is able to translate very well. They are able to translate well.
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1. She can jump from that height. 2. They can ask questions quickly.
3. We can watch stars in the sky. 4. He can clean the flowerbed in the yard.
5. He can play computer games at home. 6. We can repeat short and long
sounds from this exercise. 7. Their sons can play football well. 8. Her daughter can translate this text from the book. 9. We can walk along this street.
10. He can walk quickly across the road.
2. Replace with the modal equivalents.
He may watch TV. They may watch TV.
He is allowed to watch TV. They are allowed to watch TV.
1. They may take the books from the library. 2. He may play computer
games at home. 3. He may get up late tomorrow. 4. Your son may go to the
garden. 5. The patient may walk to this green park. 6. Her daughter may put
the flowers into the vase. 7. You may share the work with another student.
8. You may help him. 9. Their sons may play football in the yard. 10. She may
go out of the room.
3. Replace with the modal equivalents.
He must translate the text. They should translate the text.
He has to translate the text. They have to translate the text.
He is to translate the text. They are to translate the text.
1. She should jump from this height. 2. They must ask questions quickly.
3. We should prepare for the classes. 4. He must clean the flowerbed in the
yard. 5. He should do his homework. 6. We must go out of the house. 7. A pedestrian should cross the street when the traffic lights are on green. 8. The students should translate the text from this book. 9. She must answer this question. 10. Our grandfather should go to this office.
4. Replace with the modal verbs.
He was to translate the text. They were able to translate the text.
He had to translate the text. They could translate the text.
He should translate the text.
1. He was to go to the office. 2. They had to clean the swimming pool.
3. We were able to play computer games. 4. My brother was to perform this
task. 5. Our teacher had to change the task. 6. Our relatives had to go to the
hotel. 7. The journalist was able to have an interview with this politician. 8. The
children were able to jump from that height. 9. His parents had to help their
relatives. 10. The lawyer had to ask questions.

Television (1920s)
The invention that swept the world and changed leisure habits for countless millions was pioneered by Scottish-born electrical engineer John Logie Baird. It had been realised for some time that light could be converted into electrical impulses, making it possible to transmit such impulses over a distance and then reconvert them into light.

Motor Car (Late 19th Century)
With television, the car is probably the most widely used and most useful of all leisure-inspired inventions. German engineer Karl Benz produced the first petroldriven car in 1885 and the British motor industry started in 1896. Henry Ford was the first to use assembly line production for his Model Т car in 1908. Like them or hate them, cars have given people great freedom of travel.

Electricity
The name came from the Greek word for amber and was coined by Elizabeth I's physician William Gilbert who was among those who noticed that amber had the power to attract light objects after being rubbed. In the 19th century such great names as Michael Faraday, Humphry Davy, Alessandro Volta and Andre Marie Ampere all did vital work on electricity.

Photography (Early 19th Century)
Leonardo da Vinci had described the camera obscura photographic principle as early as 1515. But it was not until 1835 that Frenchman Louis Daguerre produced camera photography. The system was gradually refined over the years, to the joy of happy snappers and the despair of those who had to wade through friends' endless holiday pictures.

Telephone (1876)
Edinburgh-born scientist Alexander Graham Bell patented his invention of the telephone in 1876. The following year, the great American inventor Thomas Edison produced the first working telephone. With telephones soon becoming rapidly available, the days of letter-writing became numbered.

Computer (20th Century)
The computer has been another life-transforming invention. British mathematician Charles Babbage designed a form of computer in the mid-1830s, but it was not until more than a century later that theory was put into practice. Now, a whole generation has grown up with calculators, windows, icons, computer games and word processors, and the Internet and e-mail have transformed communication and information.

Aeroplane

The plane was the invention that helped shrink the world and brought distant lands within easy reach of ordinary people. The invention of the petrol engine made flight feasible and the American Wright brothers made the first flight in 1903.

1. I go to bed at ten o'clock every day.

2. I went to bed at ten o'clock yesterday.

3. I will go to bed at ten o'clock tomorrow.

4. I don`t go to the cinema every day.

5. I didn`t go to the cinema yesterday.

6. I won`t go to the cinema tomorrow.

7. Do you watch TV every day?

8. Did you watch TV yesterday?

9. Will you watch TV tomorrow?

10. When do you leave home for school every day?

11. When did you leave home for school yesterday?

12. When will you leave home for school tomorrow?

13. My brother goes to work every day. He leaves home at a quarter past eight. As the office he works at is near our house, he walks there. He doesn`t  take a bus. Yesterday he didn`t go to work. Yesterday he got up at nine o'clock.

14. Did you have a PR lesson yesterday? — No, I didn`t.

15. What did you buy at the shop yesterday? — I bought a book.

16. Yesterday my father didn`t read newspapers because he was very busy. He will read newspapers tomorrow.