Change the following sentences into passive.
1. You must clean the wall before you paint it.
The wall .............................................................................. .
2. They told the new pupil where to sit. ( tell – told – told)
The new pupil........................................................................... .
3. I knew that they had told him of the meeting.
I knew that he........................................................................... .
4. Nobody has treated me with such kindness.
I..................................................................................................... .
5. No one believes his story.
His story..................................................................................... .
6. A sudden increase in water pressure may break the dam. ( break – broke – broken)
The dam..................................................................................... .
7. We must take good care of books borrowed from the library. ( take – took – taken)
Books borrowed from the library............................................ .
8. A man I know told me about this.
I.................................................................................................... .
9. We can never find him at home because he is always out. ( find – found – found)
He .............................................................................................. .
10.They use milk for making butter and cheese.
Milk.............................................................................................. .
11. My father used to take me to the zoo.
I.................................................................................................... .
