EX1:

1. A new bridge is being built by them at the moment.

2. Some of the books have been taken away.

3.The.....was/were instructed by the chief engineer for all workers how to use.

4. Tea can't be made with cold water.

5. The meeting will be held before May Day.

6. The engine of the car has to be repaired.

7.A lot of money is spent on advertising every year.

8.The window was taken by the boys and some pictures were taken by them.

9. This room may be used for the classroom.

10. A story is going to be told by our teacher.

11. The cake is being cut with a sharp knife by Mary.

12. The woman with a red hat was looked at by the children.

13. This machine mustn't be used after 5.30.

14.Luckily for me, my name wasn't called.

15. I knew he had been told about the meeting.

16. I haven't been treated with such kindness before.

`→`

`1.` A new bridge is being built at the moment

`2.` Some of my books have been taken away

`3.` All the workers were instructed how to use the machines

`4.` Tea can't be made witth cold water

`5.` The meeting will be held before May Day

`6.` The engine of car had to be repaired

`7.` A lot of money are spent on advertising every year

`8.` The windows were broken and some pictures were taken away

`9.` This room may be used for the classroom

`10.` A story is going to be told

`11.` The cake is being cut with a sharp knife

`12.`The woman with a red hat was looked at

`13. `This machine mustn't be used after 5:30

`14.` Luckily for me,my name wasn't called

`15.` I knew that he had been told of the meeting

`16.` I have ever been treated with such kindness.