Active and Passive Voice Exercise with answers for grammar practice.

It looks like you've uploaded a worksheet titled "Active and Passive Voice Exercise", which contains two sections:

1. Active Voice Sentences (1–18): These are sentences written in the active voice, where the subject performs the action.
2. Passive Voice Sentences (1–18): These are the same sentences rewritten in the passive voice, where the subject receives the action.

Your task is likely to convert active voice sentences into passive voice (or vice versa), but since the passive versions are already provided, it seems this may be a practice exercise for identifying or converting between active and passive voice.

Let me walk through how to understand and solve such exercises.

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🔍 What is Active vs. Passive Voice?

- Active Voice: The subject of the sentence performs the action.
- Example: *The teacher praised him.*
- Subject: "The teacher"
- Action: "praised"
- Object: "him"

- Passive Voice: The subject receives the action. The doer of the action may be omitted or introduced with "by".
- Example: *He was praised by the teacher.*
- Subject: "He"
- Action: "was praised"
- Doer: "by the teacher"

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✔ How to Convert Active to Passive

To convert an active sentence to passive:
1. Make the object of the active sentence the subject of the passive one.
2. Use the appropriate form of "be" + past participle.
3. Optionally add "by + agent" if the doer is important.

Example:
- Active: *The fire destroyed the building.*
- Passive: *The building was destroyed by the fire.*

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🧠 Let's Go Through Some Examples from Your Worksheet

#### Active Sentence:
> 1. Mr. Sullivan teaches us grammar.

Convert to Passive:
- Object: "us" → becomes subject
- "teaches" → "is taught"
- "by Mr. Sullivan" adds the agent

✔ We are taught grammar by Mr. Sullivan.

✔️ Matches the given answer.

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#### Active Sentence:
> 5. The teacher was pleased with the boy’s work.

Wait — this is already in passive voice! But let’s check the original list.

Looking back:

- Original (Active): *The teacher was pleased with the boy’s work.*
This is actually not a standard passive construction. It's a state verb ("be pleased") and not a true passive.

But in your list, the passive version says:
> 5. The teacher was pleased with the boy’s work.

That means the active version must have been something like:
> The boy’s work pleased the teacher.

So perhaps there’s a typo or confusion in labeling.

Let’s assume the original active is:
> The boy’s work pleased the teacher.

Then passive would be:
> The teacher was pleased with the boy’s work.

Yes — so this is correct as a passive interpretation, though slightly awkward because "pleased" is a stative verb.

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#### Another Example:
> 7. Who taught you French?

Passive form: *By whom were you taught French?*

This is a question in passive voice, where:
- "you" is the subject (receiver)
- "taught" is the past participle
- "by whom" replaces "who"

This is a formal way of asking who did the teaching.

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#### More Examples:

| Active | Passive |
|-------|--------|
| The fire destroyed the building. | The building was destroyed by the fire. |
| They found him guilty of murder. | He was found guilty of murder. |
| John Mathews built this house in 1991. | This house was built by John Mathews in 1991. |

All match correctly.

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❗ Key Points to Remember:

1. Not all verbs can be passivized — especially intransitive verbs or stative verbs (like "be", "become", "seem").
2. Some sentences may seem passive but aren't — e.g., "I am happy" is not passive.
3. In passive voice, the doer (agent) is often omitted unless necessary.

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✔ Final Answer: The worksheet is correctly completed!

The passive voice versions provided are accurate conversions of the corresponding active voice sentences.

For example:

| Active | Passive |
|-------|--------|
| The teacher praised him. | He was praised by the teacher. |
| The fire destroyed the building. | The building was destroyed by the fire. |
| They found him guilty of murder. | He was found guilty of murder. |

These are all correct uses of passive voice.

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💡 Tips for Students:

- Practice identifying the subject, verb, and object.
- Ask: "Who/what is doing the action?" → That’s the agent.
- To make passive: Object becomes subject, use be + past participle, and optionally add by + agent.

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If your task was to check the answers or convert the sentences, then yes, the passive versions are correct.

Would you like me to generate a table comparing all 18 pairs, or explain any specific sentence in detail?