1. They say that she is the best singer in this town.
-> She is said to be the best singer in this town
2. They believe he will be the winner.
-> It is believed that he will be the winner
3. People think that Tom stole food in the supermarket 3 days ago.
-> Tom is thought to have stolen food in the supermarket 3 days ago.
4. Someone reported that the situation was under control.
-> The situation is reported to have been under control
5. It is said that she works 16 hours a day.
-> She is said to work 16 hours a day