Grammar exercises: passive voice

Exercise 1:

1- The theft was reported to the police.
2- The charity has been given £1,000.
3- The program will be demonstrated to the students.
4- The procedure was explained to me.
5- Large areas of forest are being destroyed every day.
6- The land next to the university has been bought.
7- I hope all the marking will have been completed by tomorrow
8- The library should have been finished by the time you arrive
9- Better results are expected soon
10- The complaints should be sent to the head of department
11- The lecture had to be postpone because of illness
12- The fire could have been caused
13- Next year’s conference in Birmingham is going to be hold
14- This fact is known very well
15- The new lecture theatre was opened only the last month
16- The answers must be written on the examination paper in black ink
17- This type of computer is now being manufactured in Korea
18- The problem should be investigated


Exercise 2

1- Prices are stables and they are maintained in this way over generations
2- Tropical forests are defined here as ‘ evergreen or partly evergreen forests’
3- Methane is distinguished because it has a large number of significant sources
4- The old dilator procedure was reformed in 1852
5- In 1916 the disease regulations were passed
6- It was only in the 1930s, in oxford, that lysozyme was isolated and crystallised
7- These findings are replicated
8- The date 753 BC was eventually generally accepted
9- A range of rival theories are next considered
10- The subject is required to answer if the statement is true or false
11- The examinations should be conducted in the greatest possible privacy
12- The discussion will be confined to general principles of treatment
13- Many genes were transcribed and many proteins synthesised
14- A further class of solutions in which main equation are separated in yet another way has been given by Yurtse


Exercise 3

1- It was understood that Mr Smith was willing to meet the British prime minister
2- It is considered that this surgeon is a brilliant practitioner
3- When Chain came in on Sunday morning and saw the result, it is said that he danced
4- It is claimed that drugs produced no undesirable side effects
5- It is expected that the electricity supply industry will be running into surplus capacity by next year
6- It is now thought that only a small fraction of the nitrous oxide emitted to the atmosphere ach year comes from fossil-fuel use, primarily coal
7- At the present time, it is believed that the only problem with daytime is that it is too short
8- Although it is expected the patient to pay for his treatment, he will be reimbursed via the state medical insurance scheme
9- If one person chooses to causes serious injury to another, it should be presumed that he or she realises that there is always a risk of death
10- It was also alleged that he amassed wealth by exploiting his high creditwith the Palmyra court