Passive voice
1 They think that Tony repaired the roof by himself
2 They find that Mr Smith took park in the competition illegally
3 People consider that this worker made many mistakes
4 They suppose that we are spending too much time playing games
5 They know that Linda made this wonderful cake
Passive voice
1 It is thought that Tony repaired the roof by himself
2 It is found that Mr Smith took park in the competition illegally
3 It is considered that this worker made many mistakes
4 It is supposed that we are spending too much time playing games
5 It is known that Linda made this wonderful cake