Passive Voice: Structure, Definition, Examples

• The passive voice is a grammatical structure where the subject receives the action rather than performs it.
• It focuses on what happens or who/what is affected, rather than who does it.
• Passive structures are common in formal, scientific, and news writing.
• Common verbs used in the passive include be, get, and become (e.g.: "The window was broken by the wind.").

Active voice is used when you want to focus on who does the action and make sentences direct and clear.

A sentence is in the passive voice when the object of an active sentence becomes the subject of the sentence.

Active: The chef cooked the meal.
Passive: The meal was cooked (by the chef).

If you want to identify the passive voice, ask these three questions:

1. Does it use a form of to be (is, was, were, etc.)?
2. Does it contain a past participle (written, cooked, broken)?
3. Does the subject receive the action instead of doing it?

If all three are true, it is passive.

Example:
The cake was baked by Maria.

• It uses a form of to be (was).
• It uses a past participle (baked).
• The subject (the cake) receives the action.

How to Form the Passive Voice

The passive voice is formed using a form of the verb to be + the past participle of the main verb.

Examples:

• The letter was written yesterday.
• The room is cleaned every morning.
• The project was completed on time.
• The cakes are baked fresh daily.

Remember: For regular verbs, the past participle is formed by adding -ed to the base verb.

When to Use the Passive Voice

The passive voice is used in the following situations:

1. When the agent is unknown, irrelevant, or obvious

• The window was broken during the night.
• The documents were stolen from the office.

2. For general or widely accepted statements and opinions

• It is believed that exercise improves mental health.
• Alcohol is considered unhealthy in large amounts.

3. In scientific or academic writing (formal and objective tone)

• The liquid was heated to 80°C.
• The data were analyzed using statistical software.

4. When the focus is on the action or the receiver of the action

• The cake was eaten quickly.
• The letter was delivered this morning.

5. When the result is more important than the subject

• The project was completed on time.
• The mistake was corrected immediately.

Active Voice vs. Passive Voice

In the active voice, the subject performs the action of the verb.

Structure:
Subject + Verb + Object

Example:
Chester kicked the ball.

In the passive voice, the subject receives the action instead of doing it.

Passive: The ball was kicked by Chester.

The phrase "by Chester" shows who did the action, but it is not the subject anymore.

How to Change from Active to Passive Voice

To change a sentence from active to passive voice, follow these steps:

Active sentence: The chef cooked the meal.

1. Identify the object and move it to the subject position.
2. Add the correct form of to be.
3. Use the past participle of the main verb.
4. Add by + agent (optional).

Final passive sentence:
The meal was cooked by the chef.