1. The boy has rung the bell. (change the sentence into passive voice)

2- He likes to be called Rai saheb by people. (change the sentence into active voice)

3. We added up the material and found that it was correct. (change the sentence into passive voice)

4- Someone has cut the electricity wires. (change the sentence into active voice)

5. Will Sunita tell us the truth? (change the sentence into passive voice)

6- He was asked a question by Mr. Bean. (change the sentence into active voice)

7. People plant trees all over the world. (change the sentence into passive voice)

8. The principal punished the students who had not done their homework. (change the sentence into passive voice)

9- He has been granted a foreign trip by the boss. (change the sentence into active voice)

10. Somebody told me that there had been an explosion in the White house. (change the sentence into passive voice)