. They believe that Jim is going to study abroad

->Jim is believed to be going to study abroad

2. People rumored that there was a ghost in that house

->It was rumored that there was a ghost in that house

3. Someone said that Jane would able to win the contest

->Jane was said to be able to win the contest

4. They claimed that everything they said was true

->It was claimed that everything they said was true

5. They reported that there was a serious accident on the main road

->it was reported that there was a serious accident on the main road

6. They don’t think that this camera costs that much

->This camera isn't thought to cost that much

7. Did they claim that they had managed to solve the problem?

->Were they claimed to have managed to solve the problem?

8. People didn’t expect that the building collapsed after the storm

->The building wasn't expected to be collapsed after the storm