. Make the following sentences passive. 1. A spinster has left a fortune. 2. He helped her in other ways. 3. They must do the work carefully. 4. He is signing the contract of employment now. 5. He will do me a favour, I'm sure. 6. They don't manufacture marine engines. 7. They won't tell the staff about the problems. 8. One can see the beauty of the buildings and the garden