Infinitives worksheet with exercises to identify and classify infinitives in sentences.

Let's solve the worksheet step by step.

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Understanding the Task

The goal is to:
1. Underline the infinitive in each sentence.
2. Identify whether the infinitive is being used as a noun, adjective, or adverb.

An infinitive is a verb form that usually begins with "to" and can function as:
- A noun (subject, object, complement),
- An adjective (modifies a noun),
- An adverb (modifies a verb, adjective, or another adverb).

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Now let’s go through each sentence:

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#### 1. Paula really loves to travel.

- Infinitive: *to travel*
- Underline: *to travel*
- Function: The infinitive is the object of the verb "loves".
- "Loves what?" → "to travel"
- ✔ Answer: noun

> ✔️ to travel – noun

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#### 2. I want to share my good fortune.

- Infinitive: *to share*
- Underline: *to share*
- Function: Object of the verb "want".
- "Want what?" → "to share"
- ✔ Answer: noun

> ✔️ to share – noun

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#### 3. This test will be hard to pass.

- Infinitive: *to pass*
- Underline: *to pass*
- Function: Modifies the adjective "hard". It tells us how hard it is — "hard to pass".
- This is an adverbial use because it modifies the adjective "hard".
- ✔ Answer: adverb

> ✔️ to pass – adverb

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#### 4. The house to own is this mansion.

- Infinitive: *to own*
- Underline: *to own*
- Function: Modifies the noun "house" — it describes which house.
- "Which house?" → "the one to own"
- ✔ Answer: adjective

> ✔️ to own – adjective

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#### 5. I think this will be easy to do.

- Infinitive: *to do*
- Underline: *to do*
- Function: Modifies the adjective "easy" — "easy to do"
- Explains how something is easy.
- ✔ Answer: adverb

> ✔️ to do – adverb

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#### 6. To grow is the goal of life.

- Infinitive: *To grow*
- Underline: *To grow*
- Function: Subject of the sentence.
- "What is the goal of life?" → "To grow"
- ✔ Answer: noun

> ✔️ To grow – noun

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#### 7. The bike to ask for is the silver one.

- Infinitive: *to ask for*
- Underline: *to ask for*
- Function: Modifies the noun "bike" — which bike?
- "The bike to ask for" → describes the specific bike.
- ✔ Answer: adjective

> ✔️ to ask for – adjective

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#### 8. The greatest view to behold is this one.

- Infinitive: *to behold*
- Underline: *to behold*
- Function: Modifies the noun "view" — which view? The one to behold
- ✔ Answer: adjective

> ✔️ to behold – adjective

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#### 9. To work is my lot in life.

- Infinitive: *To work*
- Underline: *To work*
- Function: Subject of the sentence.
- "What is my lot in life?" → "To work"
- ✔ Answer: noun

> ✔️ To work – noun

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✔ Final Answers:

| Sentence | Underlined Infinitive | Function |
|--------|------------------------|---------|
| 1. | to travel | noun |
| 2. | to share | noun |
| 3. | to pass | adverb |
| 4. | to own | adjective |
| 5. | to do | adverb |
| 6. | To grow | noun |
| 7. | to ask for | adjective |
| 8. | to behold | adjective |
| 9. | To work | noun |

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✍️ Completed Worksheet (as you would write it):

1. to travel – noun
2. to share – noun
3. to pass – adverb
4. to own – adjective
5. to do – adverb
6. To grow – noun
7. to ask for – adjective
8. to behold – adjective
9. To work – noun

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✔ All done! Let me know if you'd like a printable version or explanation for any specific sentence.