How to Fix Passive Voice: Rules, Common Mistakes, Examples

“Fix passive voice” means finding and correcting a sentence that uses passive voice incorrectly, or improving a passive sentence when its structure or meaning is unclear. It does not mean that passive voice itself is wrong. Passive voice is a normal and useful part of English grammar, but it must be formed correctly.

A correct passive sentence usually follows this basic pattern:

Subject receiving the action + appropriate form of “be” + past participle (V3)

For example:

• Incorrect: The letter was write by Ali.
• Correct: The letter was written by Ali.

The problem in the first sentence is the verb form. After was, passive voice requires the past participle of the verb. The past participle of write is written, not write.

Fixing passive voice therefore involves more than changing a verb. You need to check the tense, helping verb, past participle, word order, agreement, and meaning of the complete sentence.

Why Do Students Make Mistakes with Passive Voice?

Students often make passive voice mistakes because several grammar rules have to work together in one sentence. They must first identify the tense and object, then choose the correct form of be, and finally use the correct past participle.

Some common reasons include:

1. Confusing the past tense with the past participle

Students may write:

The window was broke.

The correct sentence is:

The window was broken.

Broke is the simple past form, while broken is the past participle.

2. Choosing the wrong form of “be”

For example:

The books is written by the author. ❌

The correct sentence is:

The books are written by the author. ✅

The form of be must agree with the new subject.

3. Forgetting “being” in continuous passive

For example:

The house is built now. ❌

If the intended meaning is that the construction is happening at this moment:

The house is being built now. ✅

4. Forgetting “been” in perfect passive

For example:

The work has completed. ❌

The correct form is:

The work has been completed. ✅

5. Trying to make every sentence passive

Not every sentence needs to be changed into passive voice. In some situations, active voice is shorter, clearer, and more natural.

For example:

The manager approved the application.

This active sentence is already clear. A passive version—

The application was approved by the manager.

—is grammatically correct, but it may not be necessary unless the application is the main focus.

Also Read: Complete active to passive voice course

How Can You Identify an Incorrect Passive Sentence?

You can check a passive sentence by following a simple process.

First, identify the tense.
Ask whether the sentence is in the present, past, future, continuous, or perfect tense.

Second, check the form of “be.”
Make sure the helping verb matches the tense and the subject.

Third, check the main verb.
The main verb in a standard passive construction should normally be in its past participle (V3) form.

Fourth, check subject-verb agreement.

The letters are sent every morning. ✅

The letters is sent every morning. ❌

Fifth, check whether “being” or “been” is required.

The car is being repaired. ✅

The car has been repaired. ✅

Finally, check the meaning.
Ask whether passive voice is actually appropriate and whether the sentence clearly communicates the intended idea.

For example:

The homework was completed.

This is grammatically correct even though it does not say who completed the homework. If the person who performed the action is important, you can add a by-phrase:

The homework was completed by Sara.

What Will You Be Able to Do After Completing This Lesson?

After completing this lesson, you should be able to recognize, correct, and use passive voice more accurately.

You will learn how to:

• identify passive voice in a sentence;
• distinguish active voice from passive voice;
• identify the tense of a passive sentence;
• choose the correct form of be;
• use the correct past participle (V3);
• use being and been correctly;
• correct common passive voice errors;
• form passive sentences in different tenses;
• use passive voice with modal verbs;
• decide when a by + doer phrase is necessary;
• recognize when active voice is clearer than passive voice; and
• correct passive sentences without changing their intended meaning.

By the end of the lesson, you should not simply be able to convert active sentences into passive sentences. More importantly, you should be able to look at a passive sentence, identify what is wrong, explain why it is wrong, and produce a clear and grammatically correct version.

Frequently Asked Questions