2 has been reported to be away in France
has been reported that the President is away in France
3 is known to have been untrue
is known that the statement was untrue
4 is believed to be changing
is believed that the climate is changing
5 is known to have been in a serious car accident
is known that he has been in a serious car accident
6 are said to be too high
is said that the new prices are too high
7 is claimed to be the largest in the world
is claimed that this diamond is the largest in the world