1. The passive voice is formed with the help of the verb to be by us
2. An oranges are grown in Italy by people
3. A lot of new houses in our country are built by them .
4. The tables are often made of plastic by people.
5. The Harry Potter books are translated into many languages by them.
6. The foreign languages aren't taught at the primary school by them.
7. The such films on TV aren't showed by them.
8. The tomatoes aren't grown here .
9. The tall buildings aren't built on this islands by people .
10. What questions are usually ask in your class by teacher ?
11. Are such melodies heard here by you ?