Passive forms in English : complete course

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Passive forms in English [B2] — VocaVerb

What Is the Passive Voice?

In English, the passive voice is a grammatical structure where the subject of the sentence receives the action instead of doing it. It shifts the focus from who does something to what happens or what is affected. Understanding this structure is essential for reading and writing in English at a higher level.

Simple Examples to Get Started

  • Active: The chef cooks the meal. → Passive: The meal is cooked by the chef.
  • Active: Someone broke the window. → Passive: The window was broken.
  • Active: They will announce the results. → Passive: The results will be announced.

Notice how the object of the active sentence becomes the subject in the passive one. The agent (the person doing the action) can be mentioned using ‘by’, or left out completely.

The Key Elements of Passive Forms in English

To build a passive sentence correctly, you need to understand a few core components. Let’s look at each one.

1. The Basic Structure

The passive voice is formed with the verb ‘to be’ + the past participle of the main verb. The tense of ‘to be’ tells you when the action happens.

Tense Active Example Passive Example
Present Simple She writes the report. The report is written.
Past Simple He fixed the car. The car was fixed.
Future Simple They will send the letter. The letter will be sent.
Present Perfect We have finished the project. The project has been finished.
Modal Verbs You must sign the form. The form must be signed.

2. When to Mention the Agent

The agent is the person or thing doing the action. In passive sentences, the agent is often omitted when it is unknown, unimportant, or obvious from context.

  • The road was repaired last week. (We don’t know or care who did it.)
  • English is spoken in many countries. (The agent is too general to mention.)
  • The suspect was arrested by the police. (The agent adds useful information here.)

3. Passive with Different Verb Types

Not all verbs work the same way in the passive. Transitive verbs (verbs that take a direct object) can usually be made passive. Intransitive verbs (like ‘arrive’ or ‘sleep’) cannot.

  • Correct: The cake was eaten by the children.
  • Incorrect: The meeting was arrived at noon. ✗

Why Passive Forms Matter in English

You might wonder: why not just use active sentences all the time? The truth is, passive forms are extremely common in real English, especially in written and formal contexts. Here is why they are important:

  • Academic and professional writing: Passive forms help you write in an impersonal, objective tone. Example: ‘The data was collected over six months.’
  • News and journalism: Reporters often use passives to report facts without naming who is responsible. Example: ‘Several buildings were destroyed in the fire.’
  • Instructions and processes: Passives are used to explain how things are done. Example: ‘The mixture is heated to 100 degrees.’
  • Everyday conversation: Native speakers use passives naturally. Example: ‘My bike got stolen yesterday.’

Comparison with Other Languages

If you speak French or Spanish, you already know that passive forms exist in your language too. But there are some key differences worth noting.

Feature English French Spanish
Basic structure to be + past participle être + past participle ser + past participle
Example The door is opened. La porte est ouverte. La puerta es abierta.
Agreement No agreement needed Past participle agrees with subject Past participle agrees with subject
Reflexive alternative Not used La porte s’ouvre. (common) La puerta se abre. (very common)

One important difference: in English, the past participle does NOT change based on gender or number. You always say ‘is opened’, ‘are opened’ – the word ‘opened’ stays the same. In French and Spanish, the participle must agree with the subject.

A Complete Example in Context

Let’s look at a short paragraph that uses passive forms naturally, as you might find in a news article:

‘A new hospital has been built in the city centre. The project was funded by the local government and was completed in just two years. Hundreds of patients are treated there every day. A special ceremony will be held next Friday to mark the opening.’

  • ‘has been built’ → present perfect passive
  • ‘was funded’ → past simple passive
  • ‘was completed’ → past simple passive
  • ‘are treated’ → present simple passive
  • ‘will be held’ → future simple passive

Notice how natural this sounds. The passive helps focus on the hospital and what happened to it, not on who did each action.

Key Points to Remember

  • The passive voice = verb ‘to be’ + past participle.
  • The tense of ‘to be’ shows when the action takes place.
  • Use ‘by’ to mention the agent when it adds important information.
  • Leave out the agent when it is unknown or not important.
  • Only transitive verbs can be used in the passive.
  • In English, the past participle never changes form to match the subject.
  • Passive forms are very common in formal writing, news, and instructions.

Sources

  • Swan, M. (2005). Practical English Usage (3rd ed.). Oxford University Press.
  • Quirk, R., Greenbaum, S., Leech, G., and Svartvik, J. (1985). A Comprehensive Grammar of the English Language. Longman.
  • Biber, D., Johansson, S., Leech, G., Conrad, S., and Finegan, E. (1999). Longman Grammar of Spoken and Written English. Pearson Education.

To practise what you learned in this lesson:

Practice exercises · Crossword puzzle

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