Răspuns :

1.Mary washes the dishes.
The dishes are washed by Mary.

Mary este persoana care savarseste actiunea. Actiunea este de a spala si se rasfrange asupra vaselor. La diateza activa ai timpul prezent (washes), ceea ce inseamna ca la diateza pasiva vei avea tot timpul prezent (adica,, are washed'').

A dog has bitten him.  /  He has been bitten by a dog.They had broken the mirror a few days before.   / The mirror had been broken a few days before by them.
Somebody stole his gold watch. / His gold watch was stole.