The document provides examples of sentences in the passive voice and asks the reader to either correct mistakes in passive voice sentences or change active sentences to the passive voice. It contains 5 sentences with errors in passive voice construction and asks the reader to fix them, as well as 5 active sentences and asks the reader to change them to the passive voice. The document is focused on demonstrating the proper use of the passive voice through examples.

1. UNIT 9 Passive voice
Correct the mistakes in these passive voice sentences.
1. Your jacket can be hang up over there.
2. Thirty more people were layed off last week.
3. The road was blocking off.
4. The protesters being held back by the police.
5. The old cinema is being pull down.
Make these active present simple sentences passive.
1. Somebody cleans the office every day
2. Somebody sends emails
3. Somebody cuts the grass
4. Somebody prefers chocolate
5. Somebody often steals cars