Video - Reporting clauses in the passive

Have you noticed that news reporters use phrases like: "It is believed that..." and "The suspect is known to be..."? Well, there's a name for these structures - they're called passive reporting structures - and Dan's going to tell us what we need to know, in 90 seconds! For more, visit our website: http://www.bbc.co.uk/learningenglish/english/course/upper-intermediate/unit-19/session-1