Lesson 2 30 min

Active and passive voice

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Why This Matters

Imagine you're telling a story. Sometimes you want to focus on **who** did something, like "The dog chased the cat." Other times, you want to focus on **what** happened, or **what** received the action, like "The cat was chased by the dog." This is exactly what active and passive voice are all about! Understanding active and passive voice helps you choose the best way to tell your story or share information. It's like having two different camera angles for filming a scene – each one shows something a little differently and can make your message clearer or more impactful. It's super useful for writing essays, emails, or even just chatting with friends. Being able to switch between active and passive voice makes your English sound more natural and sophisticated. It gives you more control over your sentences, letting you highlight what's most important in any situation. It's a fantastic tool to make your writing and speaking more interesting!

Key Words to Know

01
Active Voice — A sentence structure where the subject performs the action of the verb.
02
Passive Voice — A sentence structure where the subject receives the action of the verb.
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Subject — The person or thing performing the action in an active sentence.
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Object — The person or thing receiving the action in an active sentence.
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Past Participle — A form of a verb (often ending in -ed, -en, or -t) used to create perfect tenses and passive voice.
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Auxiliary Verb — A 'helping verb' like 'to be' (is, am, are, was, were) used with the main verb to form passive voice.
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Agent — The doer of the action in a passive sentence, often introduced by 'by' (e.g., 'by the chef').
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Transitive Verb — A verb that takes an object and can therefore be made passive (e.g., 'eat', 'kick', 'write').

What Is This? (The Simple Version)

Think of active and passive voice like two different ways to describe an action, focusing on different parts of the story. It's like having two different spotlights on a stage.

  • Active Voice: This is when the doer of the action (the subject) is in the spotlight, right at the beginning of the sentence. They are the star!

    • Example: "The chef cooked the dinner." Here, the chef is the active one, doing the cooking.
    • Analogy: Imagine a superhero. In active voice, the superhero (the doer) is always the first one you see, flying into action!

  • Passive Voice: This is when the receiver of the action (the object) gets the spotlight. The doer might be mentioned at the end, or not at all, but the focus is on what happened to something.

    • Example: "The dinner was cooked by the chef." Now, the dinner is the main focus, and the chef is mentioned later.
    • Analogy: In passive voice, the city that needs saving (the receiver) is the first thing you see, and the superhero might appear later, or not at all, if everyone already knows who saved it.

Real-World Example

Let's imagine you're at a football match, and something exciting happens!

  1. Active Voice: "The striker scored a brilliant goal!"

    • Here, the striker is the star. They are the one who did the scoring. We want to celebrate them.
    • This sentence focuses on the person performing the action.

  2. Passive Voice: "A brilliant goal was scored by the striker!"

    • Now, the brilliant goal is the star. We're focusing on the amazing event itself, not just the person who did it. Maybe the commentator wants to emphasize how fantastic the goal was, rather than just who kicked it.
    • This sentence focuses on the result or what happened to the goal.

  3. Passive Voice (without the doer): "A brilliant goal was scored!"

    • Sometimes, we don't even need to say who did it. Maybe it's obvious, or not important. Everyone watching knows someone scored it, but the main point is that a goal happened!

How It Works (Step by Step)

Let's learn how to change a sentence from active to passive voice, like transforming a Lego model!

  1. Identify the Subject, Verb, and Object: In "The dog (subject) chased (verb) the cat (object)."
  2. Move the Object to the Front: The object ("the cat") becomes the new subject of the passive sentence.
  3. Add a Form of 'to be': Use the correct form of 'to be' (like 'is', 'was', 'are', 'were') that matches the new subject and the original tense.
  4. Use the Past Participle: Change the main verb ("chased") into its past participle form (often ends in -ed, -en, or -t).
  5. Add 'by' (Optional): If you want to say who did the action, add 'by' followed by the original subject ("by the dog").

When to Use Which Voice

Choosing between active and passive voice is like choosing the right tool for a job – each has its best use!

  • Use Active Voice when:

    • You want to be clear and direct. (e.g., "I ate the apple.")
    • You want to show who is responsible for an action. (e.g., "The company launched a new product.")
    • Most of the time, active voice makes your writing stronger and easier to understand.

  • Use Passive Voice when:

    • The doer of the action is unknown or unimportant. (e.g., "My bike was stolen.")
    • You want to focus on the action or the receiver of the action. (e.g., "The experiment was conducted carefully.")
    • You want to sound more formal or objective, like in scientific reports. (e.g., "The results were observed over three days.")
    • You want to avoid blaming someone. (e.g., "Mistakes were made.")

Common Mistakes (And How to Avoid Them)

Even superheroes make mistakes! Here are some common ones with active and passive voice.

  1. Forgetting 'to be' in passive voice:

    • ❌ "The ball kicked by the boy." (Sounds incomplete, like a robot talking!)
    • ✅ "The ball was kicked by the boy." (Remember that 'to be' verb is like the glue for passive sentences.)

  2. Using passive voice too much: This can make your writing sound boring or unclear.

    • ❌ "The report was written by me, and the presentation was given by my colleague." (Too many 'was' and 'by' makes it drag.)
    • ✅ "I wrote the report, and my colleague gave the presentation." (Much more direct and energetic!)

  3. Confusing past tense with past participle: They often look the same, but not always!

    • ❌ "The song was sang by the choir." ('sang' is past tense, not past participle)
    • ✅ "The song was sung by the choir." (The past participle of 'sing' is 'sung'.) Always check irregular verbs!

Exam Tips

  • 1.Practice identifying the subject and object in sentences; this is the first step to changing voice.
  • 2.When converting to passive, always remember to use a form of 'to be' (is, was, etc.) + the past participle.
  • 3.Look for sentences where the 'doer' is unknown or unimportant – these are often good candidates for passive voice.
  • 4.If an exam asks you to 'improve' or 'make more direct' a sentence, often switching from passive to active is the answer.
  • 5.Pay close attention to verb tenses; the 'to be' verb in passive voice must match the original active tense.