III. Present Perfect:

1. This song has been sung by Tim

2. This machine hasn't been used for ages

3. Has the accidents been seen by several people?

4. Doctors have been paid a lot of money by them

5. All the eggs haven't been eaten by her

6. The aircraft has been designed by famous engineers

7. I haven't been surprised by the news

8. My watch has been broken by John

9. My bike has been stolen by someone

10. The peach tree has been decorated by my parents

IV. Simple past

1. The bike was found by Tim

2. The test wasn't finished by her son

3. Was the pie eaten by your daughter?

4. The fishing village was destroyed by a violent storm

5. An interesting story was told by our grandmother last night

6. He was taken to the police station by the policeman

7. A lot of people were invited to their party last night

8. America was discovered by Christopher in 1492

9. Harry's nose was broken in a fight by someone

10. The picture was drawn by my father last year

III. 

1/ This song has been sung by Tim.

2/ This machine hasn't been used for ages.

3/ Has the accidents been seen by several people?

4/ Doctors have been paid a lot of money by them.

5/ All the eggs haven't been eaten by her.

6/ The aircraft has been designed by famous engineers.

7/ I haven't been surprised by the news.

8/ My watch has been broken by John.

9/ My bike has been stolen by someone.

10/ The peach tree has been decorated by my parents.

IV. 

1/ The bike was found by Tim.

2/ The test wasn't finished by her son.

3/ Was the pie eaten by your daughter?

4/ The fishing village was destroyed by a violent storm.

5/ An interesting story was told by our grandmother last night.

6/ He was taken to the police station by the policeman.

7/ A lot of people were invited to their party last night.

8/ America was discovered by Christopher in 1492.

9/ Harry's nose was broken in a fight by someone.

10/ The picture was drawn by my father last year.

CHUC B HOC TOT !