Writing with Tenses / Active & Passive Voice
When to Use by
Include by + doer when the doer identifies a creator, gives useful contrast, or matters to the reader. By is followed by an object pronoun.
Understand the idea
Include by + doer when the doer identifies a creator, gives useful contrast, or matters to the reader. By is followed by an object pronoun.
Look closely
This book was written by Riya.
The room was cleaned by her.
TRY IT YOURSELF
A quick check
A wrong answer is a chance to learn. Use the hint and try again.