Réponse :
1)
The report was written by a cunning sleuth
Two bikes were stolen by naughty twins
Tricks were played by the superhero
The dormitory is cleaned by the lonely orphan once a week
2)
sang, heard, took, was, met, did the naughty twins do, wrote, made
3)
whose, that, where, who, that
Explications :
voila j'espere que t'aidera