How do you change a passive sentence back to active?

In one line

The rule

In passive voice, the subject receives the action; in active voice, the subject does the action.

Formula:

• Passive: Subject + form of 'to be' + past participle (V3) + (by + agent)
• Active: Subject (doer) + verb + object

Let's understand it simply

Imagine you are watching a cricket match. If you say, "The ball was hit by Virat," the ball is the main focus. But if you say, "Virat hit the ball," now Virat is the main focus. Changing passive to active is like putting the player (doer) back in the spotlight.

How it works

1. Find the agent (the doer) in the passive sentence (usually after "by").
2. Make the agent the new subject of the sentence.
3. Change the verb to match the tense and make it active (use the correct verb form).
4. Make the original subject (the receiver) the object.
5. Remove "by" and adjust the sentence for correct grammar.

The story behind it

The idea of active and passive voice comes from the need to show who is doing the action and who is receiving it. English grammar rules were made clearer in the 18th and 19th centuries to help people write and speak more effectively. Teachers noticed that sentences are easier to understand when the doer comes first, so they taught students how to switch between active and passive.

Where you see it in real life

• News reports: "The thief was caught by the police" (passive) → "The police caught the thief" (active).
• School announcements: "The prizes were distributed by the principal" → "The principal distributed the prizes."
• Kitchen: "The tea was made by Amma" → "Amma made the tea."
• Sports: "The goal was scored by Sunil" → "Sunil scored the goal."

Why it matters

• Makes your writing and speaking clearer and more direct.
• Helps in exams, especially when asked to change voice.
• Useful for job interviews and formal letters.
• Needed for understanding instructions and rules in English.

Worked example

Let's change a passive sentence to active: "The cake was baked by Riya."

Step 1: Find the agent (doer): Riya
Step 2: Make Riya the subject: Riya
Step 3: Change the verb to active: baked
Step 4: Make the original subject (the cake) the object: the cake
Step 5: Write the active sentence: Riya baked the cake.

Common mistakes

• Forgetting to include the agent (doer) in the active sentence.
• Using the wrong verb tense when changing the sentence.
• Keeping "by" in the active sentence (not needed).
• Not changing the subject and object positions.

Remember it

To change passive to active: Find the doer, put them first, and use the right verb form.