1. Change from active into the passive. Omit the agent where it can be omitted. Justify the omission or inclusion of the agent.

E.g.: The Scots make the best fudge. The best fudge is made by the Scots. (agent is not omitted; emphasis is made on the agent)

1. The snow will have covered the mountains by Christmas. The mountains will have been covered with the snow by Christmas.

2. You should take these tablets before meals. These tablets should be taken before meals.

3. You must wash coloured clothes separately. Coloured clothes must be washed separately

4. The teacher sent him out of the classroom. He was sent out of the classroom by the teacher.

5. Thousands of British tourists will visit Spain this summer. This summer Spain will be visited by thousands of British tourists.

6. The dentist pulled out my rotten tooth. My rotten tooth was pulled out by the dentist.

7. The police are questioning him now. He is being questioned now by the police.

8. Someone has made a complaint. A complaint has been made by someone.

9. They will have finished the work by tonight. The work will have been finished by tonight.

10. I broke my arm when I fell out of a tree. My arm was broken when I fell out of a tree.

2. Fill in “by” or “with”.

1. Most children are influenced by their parents.

2. The jam sandwiches were made with white bread.

3. Jake was dismissed by his boss.

4. The show was presented by Mr.Jones.

5. The parcels were tied with string.

6. The meal was eaten with chopsticks.

7. The song was performed by Madonna.

8. This awful mess was made by Carol’s dog.

9. The football fans were observed by the police.

10. My hair was cut by a top stylist.

3. Make the following in passive. Start the sentences with the given words.

1. The policeman gave me a ticket. (I …; A ticket …) I was given a ticket by the policeman.

2. The waiter is serving them dinner now. (They…; Dinner…) They are being served a dinner by the waiter.

3. The teacher won’t show him his marks. (He…; His marks…) He won’t be showed his marks by the teacher.

4. Ken offered Janet a ride. (Janet…; A ride…) Janet was offered a ride by Ken.

5. Miss Price has taught Arnie a new dance step. (Arnie…; A new dance step…) Arnie has been taught a new dance by Miss Prince.

6. They should have ordered you a taxi. (You…; A taxi…) You should have been ordered a taxi by them.

7. They say that the Loch Ness monster exists. (It…; The Loch Ness monster…) It is said by them that the Loch Ness monster exists.

8. They hope that a cure for the disease is imminent. (It…; A cure…) It is hoped that a cure for the disease is imminent.

9. They believe that the hostage had died. (It…; The hostage…) It is believed that the hostage had been died.

10. They expect that Jim will be offered a promotion. (It…; A promotion…) It is expected that the promotion will be ordered to Jim.

4. Change from passive into active.

1. His alibi may not be believed by the police. The police didn’t not believe his alibi.

2. The missing person was located by the private detective. The private detective located the missing person.

3. Our leaking roof is being fixed by the builders. The builders were fixing our leaking roof.

4. Dinosaur remains have been found by team of archaeologists. A team of archeologists have found a dinosaur remains.

5. You will be protected by a bodyguard 24 hours a day. A bodyguard will protect you 24 hours a day.

6. Air fares on all international flights have been increased by most major European airlines. The most major European countries have increased air fares on all international flights.

7. Plants are used by herbalists to cure common illnesses. Herbalists use plants to cure common illnesses.

8. The offer will be confirmed by Jones Ltd tomorrow. Jones Ltd will confirm the offer tomorrow.

9. Tickets are checked by inspectors regularly. Inspectors check the tickets regularly.

10. Several members of the class were punished by the teacher. The teacher punished several members of the class.