Exercise 2:
1/Tickets for the concert advertised in local newspaper are expensive.
2/People travelling long distances on trains often fall sleep.
3/Young children watching horror movies will propably be frightened.
4/John was the last person leaving the lecture hall.
5/The movie shown at our local movies tonight is very exciting.
Exercise 3:
1/It was Tom, who sold the car for her.
2.It was my secrectary who sent the bill to Mr Harding.
3/It was  Bristol , in which the film made.
4/It was 1492 when Columbus sailed to America.
5/It was the president who makes the important decisions.
Exercise 4;
1.does he
2.do they
3.wouldn't she
4.hasn't she 
5.wasn't it
6.didn't he
7.does it
Exercise 5:
1. It is said that prevention is better than cure
Prevention is said to be better than cure.
2. It is said that Beckham is considering a transfer from from Manchester United.
Backham is being said to be considered a transfer from Manchester United.
3. It is expected that Arsenal will win the League.
Arsenal will be expected to win the League.
4. It is known that the expedition reached the South Pole in May.
The expedition is known to have been reached the South Pole in May.
5. it is said that the thieves were caught a few days ago.
The thieves are said to have been caught a few days ago.