Practice 1: Turn into the passive voice.

1. The big tree was cut down last night.

S + were/ was (not) + P II

2. All the money has been spent.

S + have/ has (not) + been + P II

3. The slums in this city are being cleaned.

S + am/ is/ are (not) + being + P II

4. A box was being carried by a boy when it dropped.

S + was/ were (not) + being + P II

5. English is spoken all over the world.

S + am/ is/ are (not) + P II

6. This museum is visited by thousands of tourists each year.

7. Your clothes can be donated by you to charities.

S + modal verb + (not) + be + P II

8. That tragic accident won't be forgotten.

S + will (not) + be + P II

9. A fund is going to be raised by us to help the needy.

S + am/ is/ are (not) + going to + be P II

10. This document must be kept by you carefully.

S + modal verb + (not) + be + P II

11. The soil had been prepared before the crops were planted.

 S + had (not) + been + P II

S + were/ was (not) + P II

12. Their assignments have to be submitted by all students by the deadline.

S + modal verb + (not) + be + P II

13. His identity has been hidden by the secret for many years. 

S + have/ has (not) + been + P II

14. Their houses are decorated to celebrate New Year.

S + am/ is/ are (not) + P II