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He is said to have strange powers.
It is said that the biography of Pazura is being written at the moment.
It is believed that a dragon once lived in Wawel.
It is known that Columbus discovered America. (It's well known that ...)
It is known that America was discovered by Columbus.
Mary is expected to marry Thomas soon.
This issue is expected to be discussed at the next meeting.
This issue was expected to be discussed at the last meeting.
It is said that World War II was the cruelest of wars so far.
All guests are expected to be greeted by the Prime Minister.