Exercise 2 .

1.         He likes people to call him “sir”. He likes to be called "sir".

2.         Our teacher used to bid us talk in class. We used to be bid by our teacher to talk in class.

3.         Don’t let others see you. Don’t be seen by others.

4.         Workers were digging a large hole in the ground. A large hole was being dug in the ground by workers.

5.         The car knocked a woman down in the street. A woman was knocked down by the car in the street.

6.         Cows were eating grass on the meadow. Grass was being eaten by cows on the meadow.

7.         My cousin will meet you at the station. You will be met by my cousin at the station.

8.         She is running her own company. Her own company is being run by her.

9.         Visitors must leave umbrellas in the cloakroom. Umbrellas must be left in the cloakroom by visitors.

10.     My mother used to make us clean the house. We used to be made to clean the house by my mother.

11.     John hasn’t finished his homework. John's homework hasn't been finished.

12.     They suggested banning advertisements on TV. It was suggested that advertisements on TV be banned.