Task 2. Change the active sentences into passive sentences. 1. The teachers tell the students something interesting.
2. They calculated the answers very quickly.
3. They filmed the movie in black and white.
4. Many people in our town subscribe local newspaper.
5. They built our house ten years ago.
6. His friends don't read any magazines.
7. The shopkeeper opened the shop at nine o'clock.
answer (if or unless)