How do you change a passive sentence to active voice?

In one line

The rule

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

Formula:

• Passive: Subject + form of 'to be' + Past Participle (V3) + (by + Agent)
• Active: Agent (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 (passive). But if you say, "Virat hit the ball," Virat is the main focus (active).

Changing passive to active is like turning the camera from the ball to the player who hit it. You bring the doer (the person who did the action) to the front.

How it works

1. Find the agent (the doer) in the passive sentence. It usually comes after "by".
2. Make the agent the new subject of the sentence.
3. Change the verb to the correct tense and form (remove 'was', 'were', 'is', etc. and use the main verb).
4. Put the original subject (the receiver) as the object, if needed.
5. Remove "by" and make the sentence natural.

The story behind it

English grammar rules for active and passive voice have been used for centuries to make sentences clear. The rule helps us decide what we want to focus on: the doer or the action. Teachers and writers use this to make writing strong or to hide the doer when it is not important.

Where you see it in real life

• Newspapers: "The thief was caught by the police" (passive) → "The police caught the thief" (active).
• Cricket commentary: "The match was won by India" → "India won the match".
• School reports: "The homework was completed by Ravi" → "Ravi completed the homework".
• Kitchen: "The tea was made by Amma" → "Amma made the tea".

Why it matters

• Makes your writing clear and direct.
• Helps you answer grammar questions in exams.
• Useful for writing reports, stories, and essays.
• Needed for job applications and official letters.

Common mistakes

• Forgetting to change the verb tense correctly. ("The cake was eaten by the boy" → "The boy eats the cake" is wrong if it happened in the past. It should be "The boy ate the cake".)
• Leaving out the agent (doer) when it is needed. ("The letter was written" → Who wrote it?)
• Keeping extra words from the passive form (like 'by').

Remember it

Look for "by" in the passive sentence. The word after "by" becomes the subject in active voice.