1. - It is known that cars spoil the environment.

- Cars are known to spoil the environment.

2. -It is believed that the robber has lived in the next door.

- The robber is believed to have lived in the next door.

3. - It is believed that she is an honest person.

- She is believed to be an honest person.

4. - It is thought that the president will arrive soon.

- The president is though to arrive soon.

5. - People report that many passengers died in the crash.

- Many passengers are reported to have died in the crash.

6. - People expect that the prices will rise again this month.

- The prices are expected to rise again this month.

7. - People prove that life doesn’t exist on the moon.

- Life is proved not to exist on the moon.

8. - It is said that he has passed the final exam with the best result.

- He is said to have passed the final exam with the best result.

9. - It is said that he has been in the army.

- People say that he has been in the army.

10. - People believe that the man escaped in a stolen car.

- The man is believed to have escaped in a stolen car.

1.People know that cars pollute the environment.
It is known that the environment is polluted by that cars 
Cars are known to pollute the environment. 
2.People believe that the robber has worked in the bank.
It is believed that the robber has worked in the bank. 
The robber is believed to have worked in the bank. 
3.Many people believe that she is an honest person.
It is believed that she is an honest person. 
She is believed to be an honest person. 
4.They think that the president will arrive soon.
It is thought that the president will arrive soon.   
The president  is thought to arrive soon. 
5.It is reported that many passengers died in the crash.
People report that many passengers died in the crash. 
Many passengers  are reported to have died in the crash.  
6.It is expected that the prices will rise again this month.
They expect that the prices will rise again this month. 
The prices  are expected to rise again this month. 
7.It is proved that life doesn’t exist on the moon.
Scientists prove that life doesn’t exist on the moon. 
Life is proved not to exist on the moon. 
8.They say that he has passed the nal
exam with the best result.
It is said that he has passed the nal
exam with the best result. 
He is said to have passed the nal
exam with the best result. 
9.He is said to have been in the army.
People say  that he was in the army. 
10.It is believed that the man escaped in a stolen car.
People believe that the man escaped in a stolen car. 
The man is believed to have escaped in a stolen car.