Помогите пожалуйста кр по Английскому

Вот преобразованные предложения в Passive Voice:

1.Potatoes were bought yesterday.
2.The books will be brought tomorrow.
3.The clock is being repaired now.
4.The whole text is sold in this shop.
5.The whole text has been translated.
6.A lot of money was stolen from the shop.
7.A lot of work had been done by six o’clock.
8.By six o’clock the trucks had been loaded.
9.By three o’clock the trucks had been loaded by the workers.
10.Computer science is being taught to our children now.
11.A new concert hall is being built in our street.
12.This film will be shown on TV.
13.The window was broken last week.
14.When I came home, the sweets had been eaten.
15.The work will be done in the evening.
16.This book was written in the 19th century.
17.The game is played by four till five.
18.A number of important experiments have been carried out in our laboratory.