1. OK
2.
the idea was considered to had been crazy. - jesli juz, to "HAVE", nie had, ale niepotrzebnie komplikujesz to zdanie czasem przeszlym.
The idea was considered CRAZY/ AS crazy/ TO BE crazy.
3. the newspapers reported that three people were rescured from the fire.
three people had been rescued from the fire. - a gdzie "report" ??
Three people were REPORTED to HAVE BEEN RESCUED
Three people were REPORTEDLY rescued - chociaz tu inne znaczenie: reportedly - podobno
IT WAS REPORTED THAT three people
4. psychologists say television does harm to children.
television has been doing harm to children.
NIE.
Television IS SAID to DO harm...
IT IS SAID THAT television DOES harm...
5.
OK, tylko pisownia: beliEved
6.
everybody expected that jane would have something to say on this matter.
jane was expected {that she would have been had - wyrzuc to. Wstaw: TO HAVE} sth to say on this matter.
Albo:
IT WAS EXPECTED THAT Jane would have....