Change into the passive voice using the person as a subject, without the agent. Eg: He gave me a book. – I was given a book … (by him – can be omitted, it is an agent – the person who does it)
1. He told me a strange story. -
2. He has designed a new car. -
3. He will improve the plan properly. -
4. He gave engineers plenty of work. -
5. I should test the prototype of a new machine. -
6. They are exploring new lands. -
7. She engineers advanced technologies in our department.
8. We were building the bridge that month. -
9. They had prevented the disaster. -