They say she runs 10 miles a day. ( It... / She... )
It is said that she runs 10 miles a day. / She is said to run 10 miles a day.
They expect that the strike will end soon. (It... / The strike ...)
It is expected that the strike will end soon. / The strike is expected to end soon.
The police believe that the thieves broke the window to get into the house. (It.... / The thieves...)
It is believed that the thieves broke the window to get into the house. / The thieves are believed to have broken the window to get into the house.