8A the passive KEY

a 2 have been stolen 3 are being interrogated 4 was being driven 5 were discovered,
was stopped 6 be taken 7 are caught 8 has been vandalized 9 had been broken
10 are going to / will be robbed 11 to be sent
b 2 is thought that 3 is said to 4 are understood to 5 is expected that 6 are thought to