I was surprised by the news article
Kim is fascinated by the story
I am often helped by Mary
The letter was opened by Jenny
I was asked by the teacher
The store is managed by me
A package was ordered by the client
These shirts were bought by my sister
We were bored by the professor's class
These answers were written by me
Subject + be + past participle + by + object
The mouse is eaten by the cat
Subject + be + verb + object
The cat is eating the mouse
