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