1. People believed that Pluto was a planet.
→ Pluto was believed to be a plannet .
2. People think that the rebels are developing weapon secretly.
→ The rebels are thought to be developing weapon secretly.
3. People believe that the wanted man is living in New York.
→ The wanted man is believed to be living in New York.
4. People think that fish is the oldest creature existing on earth.
→ Fish is thought to be the oldest creature existing on earth. .
5. People suppose that every film made by Cameroon is very good.
→ Every film made by Cameroon is supposed to be very good .
6. People think that many people were killed in the accident.
→ Many people are thought to have been killed in the accident. .
7. People think that the number of death in the hurricane is still rising.
→ It is thought that the number of death in the hurricane is still rising.
8. People rumor that petrol prices will increase again this week.
→ It is rumoured that petrol prices will increase again this week. .
9. People say that those dogs are very fierce.
→ Those dogs are said to be very fierce.