She writes a report.
A report is written by her.
He deliveries all of letters.
All of letters are delivered by him.
Stitch baked a cake last night.
A cake was baked by Stitch last night.
She bought a new house last month.
A new house was bought by her last month.
Sarah cleaned the floor yesterday.
The floor was cleaned by Sarah yesterday.
Minions eat a banana.
A banana is eaten by Minions.
My father fixed the pipe.
The pipe was fixed by my father.
He writes a book.
A book is written by him.
I did my homework.
My homework was done by me.