1. they report that the tsunami has killed hundered of people
-->  the tsunami is reported to have been killed hundered of people

2.they said that the car was robbed
--> the car was said to be robbed
3.it is supposed that all the students must attend the meeting
--> all the students are supposed to attend the meeting

4.people think that he caused the accident
 --> he is though to have been caused the accident

5.people are saying that he is living on the island
-->he is being said to live on the island