Infinitives Worksheet

Infinitives: Grade 9 Grammar Practice

Read the instructions for each section carefully and complete all tasks. This worksheet will help you practice identifying and understanding infinitives and their functions in sentences.

An infinitive is a verbal, which is a word formed from a verb but functioning as a different part of speech. An infinitive is typically formed with 'to' + the base form of a verb (e.g., to run, to eat, to sleep). Infinitives can function as nouns, adjectives, or adverbs.

Read each sentence and identify the infinitive. Circle the letter of the correct answer.

1. She decided to study for the exam.

2. The best way to learn is to practice regularly.

Complete the sentences by choosing the correct infinitive from the word bank and identifying its function (noun, adjective, or adverb).

1. My goal is  . (Function:  ).

2. She bought a book  . (Function:  ).

3. The team worked hard   the championship. (Function:  ).

Rewrite each sentence, changing the underlined verb phrase into an infinitive phrase. Then, identify the function of the infinitive phrase (noun, adjective, or adverb).

1. I went to the store because I wanted to buy groceries.

2. The students were eager that they would finish their project.

Indicate whether each statement is true or false regarding infinitives.

1. An infinitive always functions as a noun.

2. The word 'to' in an infinitive is a preposition.

Write a short paragraph (5-7 sentences) about a personal goal you have. In your paragraph, include at least three infinitives and underline each one. Be sure to use infinitives functioning as different parts of speech if possible.