8th Grade Writing (Common Core) • Language

Verbals in Action: Gerunds, Participles, Infinitives

Discover how verbs transform into other parts of speech to add power and flexibility to your writing.

Middle School English emblem with an open book, a writing pencil, and spelling check.
Inside this lesson 10 sections 5 questions 8 figures

SECTION 1

The Story of Verbals: When Verbs Become Shape-Shifters

Imagine if you could take the action from a verb and use it as a noun, adjective, or adverb. That's exactly what verbals do! These special word forms have been helping writers express complex ideas for centuries. Long before grammar books existed, people naturally created these verb-based forms to make their language more flexible and expressive.

Ancient Times • Natural Development

Speakers of ancient languages naturally began using verb forms as other parts of speech. The gerund (from Latin 'gerundium') originally meant 'something to be carried out.'

Middle Ages • Grammar Rules Emerge

Scholars began naming and categorizing these forms. Participles got their name from the Latin 'participium,' meaning 'sharing,' because they share characteristics of both verbs and adjectives.

Renaissance • Infinitive Recognition

The infinitive (meaning 'unlimited') was formally recognized as the base form of a verb that could function as a noun, adjective, or adverb.

Modern Era • Creative Writing Tool

Writers discovered that verbals could create more concise and dynamic sentences, making their writing more engaging and sophisticated.

Today, understanding verbals is essential for any writer who wants to create varied, interesting sentences. They help us avoid repetitive sentence structures and pack more meaning into fewer words. But what exactly are these mysterious word forms, and how do they work their magic?

SECTION 2

The Three Faces of Verbals: Core Principles

All verbals share one important trait: they're formed from verbs but don't act as verbs in sentences. Instead, they become shape-shifters that can function as nouns, adjectives, or adverbs. Think of them as actors playing different roles in the sentence theater.

1

Gerunds: The Noun Makers

Gerunds are verb forms ending in -ing that act as nouns. They name actions or activities. Example: 'Swimming is my favorite sport.'
2

Participles: The Describers

Participles are verb forms that work as adjectives. They describe nouns and pronouns. Example: 'The barking dog woke me up.'
3

Infinitives: The Multi-Taskers

Infinitives use 'to + verb' and can function as nouns, adjectives, or adverbs. Example: 'To succeed requires hard work.'
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KEY TAKEAWAY

Think of verbals like actors in a play. A gerund is like an actor playing a character (noun role), a participle is like an actor describing another character (adjective role), and an infinitive is like a versatile actor who can play any part needed (noun, adjective, or adverb role). They're all still actors (verbs) at heart, but they're performing different functions in the sentence.

SECTION 3

Visualizing Verbal Transformations

How Verbs Transform Into VerbalsBASE VERBSWIMGERUNDswimmingFunctions asNOUNPARTICIPLEswimmingFunctions asADJECTIVEINFINITIVEto swimFunctions asNOUN/ADJ/ADVExample SentencesGerund:Swimming is excellent exercise.Participle:The swimming pool is crowded.Infinitive:I love to swim in the ocean.
This diagram shows how the base verb 'swim' transforms into three different verbals. Notice how each verbal looks different and serves a unique function in sentences, even though they all come from the same root verb.

The diagram reveals an important pattern: the same base verb can create multiple verbals, but each serves a different purpose. The gerund 'swimming' names an activity, the participle 'swimming' describes something, and the infinitive 'to swim' expresses purpose or desire. Understanding these differences helps you choose the right verbal for your intended meaning.

SECTION 4

The Formation Patterns: How Verbals Are Made

Each type of verbal follows specific formation rules. Understanding these patterns helps you recognize and create verbals correctly in your writing.

GERUND FORMATION

BaseVerb+−ing=Gerund(NounFunction)Base Verb + -ing = Gerund (Noun Function)

Examples: run → running, think → thinking, believe → believing. Always ends in -ing and functions as a noun in the sentence.

PRESENT PARTICIPLE

BaseVerb+−ing=PresentParticiple(AdjectiveFunction)Base Verb + -ing = Present Participle (Adjective Function)

Examples: The running water, a thinking person. Shows ongoing action or describes characteristics.

PAST PARTICIPLE

BaseVerb+−ed(orirregularform)=PastParticipleBase Verb + -ed (or irregular form) = Past Participle

Examples: broken window, written report. Shows completed action or resulting state.

INFINITIVE FORMATION

to+BaseVerb=Infinitiveto + Base Verb = Infinitive

Examples: to run, to think, to believe. Can function as noun, adjective, or adverb depending on context.

SECTION 5

Verbal Functions in Sentences

Verbal Functions in ActionGERUNDS (Acting as Nouns)Subject:"Readingis my favorite hobby."Object:"I enjoy cookingfor my family."Object of Prep:"She's good at dancing."Predicate Nom:"My goal is graduatingwith honors."PARTICIPLES (Acting as Adjectives)Before Noun:"The barkingdog woke everyone."After Noun:"The book writtenby Shakespeare is famous."Participial Phrase:"Running quickly, the student caught the bus."INFINITIVES (Triple Function)As Noun:"To learnis important." (subject)As Adjective:"I have homework to finish." (modifies homework)As Adverb:"She studies to succeed." (explains why)Split Infinitive:"To boldlygowhere no one has gone before."(Sometimes acceptable for emphasis, though traditionally avoided)Quick Identification TipsGerund:Can be replaced by "it" or "that activity"Participle:Answers "What kind?" or "Which one?"Infinitive:Usually has "to" + base verb; expresses purpose or intent
This comprehensive chart shows how each type of verbal functions in real sentences. Notice how the same verbal form can have different roles depending on its position and context in the sentence.

The key to mastering verbals is understanding their dual nature: they keep the meaning of their original verb while performing new grammatical roles. A gerund like 'swimming' still involves the action of swimming, but it functions as a noun in the sentence structure.

SECTION 6

Analyzing Verbals Step-by-Step

Let's work through a complex sentence that contains all three types of verbals. This step-by-step analysis will show you how to identify and understand verbals in context.

Sentence Analysis: "Running marathons requires dedication, but the finished medal makes the training worthwhile."

  1. 1

    Step 1 — Locate All Verbal Forms

    Scan the sentence for words ending in -ing, -ed, or starting with 'to.' We find: Running, finished, and training.
    Three potential verbals identified
  2. 2

    Step 2 — Test "Running marathons"

    'Running marathons' is the subject of the sentence. Can we replace it with 'it'? 'It requires dedication' ✓ This confirms 'Running' is a gerund functioning as a noun (subject).
    GERUND: Running (subject)
  3. 3

    Step 3 — Analyze "finished medal"

    'Finished' comes before 'medal' and answers 'What kind of medal?' It describes the medal's state. This makes 'finished' a past participle functioning as an adjective.
    PAST PARTICIPLE: finished (adjective)
  4. 4

    Step 4 — Examine "the training"

    'Training' appears after the article 'the' and serves as the direct object of 'makes.' It can be replaced with 'it': 'makes it worthwhile.' This confirms 'training' is a gerund functioning as a noun (direct object).
    GERUND: training (direct object)
  5. 5

    Step 5 — Final Classification

    We identified two gerunds and one past participle. No infinitives appear in this sentence. The sentence structure becomes clear: Noun activity requires dedication, but the described medal makes the noun activity worthwhile.
    Complete verbal analysis: 2 gerunds + 1 past participle

SECTION 7

Avoiding Verbal Pitfalls

Common MistakeWhy It HappensCorrect Approach
Confusing gerunds and present participlesBoth end in -ing, so they look identicalTest function: Can you replace it with 'it' (gerund) or does it describe a noun (participle)?
Using possessive before gerunds incorrectlyUnclear when to use 'his running' vs 'him running'Use possessive when focusing on the action: 'I appreciate his helping'
Dangling participlesParticiple doesn't clearly modify the intended nounPlace participial phrases next to the word they modify
Split infinitive anxietyOld rule says never split 'to' and verbModern usage allows splits for clarity: 'to really understand'
⚠️

KEY TAKEAWAY

Think of verbal identification like being a detective. Don't just look at the word's ending—investigate its job in the sentence. A word ending in -ing might be a gerund (doing a noun's job), a participle (doing an adjective's job), or even just a regular verb (doing a verb's job). Context is everything!

SECTION 8

Verbals in Advanced Writing

As you advance in writing, verbals become powerful tools for creating sophisticated sentence structures and achieving specific stylistic effects.

8th Grade UseAdvanced Writing
Simple gerund subjects: 'Swimming is fun.'Complex gerund phrases: 'Swimming against the current while maintaining proper form requires years of practice.'
Basic participial phrases: 'The running dog barked.'Absolute constructions: 'The storm having passed, we emerged from our shelter.'
Simple infinitives: 'I want to sleep.'Infinitive phrases for emphasis: 'To have loved and lost is better than never to have loved at all.'
One verbal per sentence for clarityMultiple verbals for rhythm and flow: 'Running breathlessly, the student hoped to catch the bus, but missing it seemed inevitable.'

In high school and college writing, you'll learn to use verbals for sentence variety, conciseness, and stylistic sophistication. They help create the flowing, mature prose style that characterizes excellent writing.

SECTION 9

Practice Problems

Question 1: CONCEPTUAL

In the sentence 'The laughing children played in the sprinkler,' identify the verbal and explain its function. What type of verbal is 'laughing,' and how do you know?
Show answer
'Laughing' is a present participle functioning as an adjective. I know this because it modifies the noun 'children' by describing what kind of children they are—children who are laughing. It answers the question 'What kind of children?' which is the job of an adjective. Even though it ends in -ing like a gerund, it's not functioning as a noun but rather as a descriptor.

Question 2: BASIC CALCULATION

Identify all the verbals in this sentence: 'To succeed in school requires studying hard and being organized.' Classify each one as a gerund, participle, or infinitive.
Show answer
There are three verbals: (1) 'To succeed' is an infinitive functioning as a noun (subject of the sentence), (2) 'studying' is a gerund functioning as a noun (direct object of the verb 'requires'), and (3) 'being' is a gerund functioning as a noun (part of the compound direct object, connected to 'studying' with 'and'). The sentence structure is: Infinitive requires gerund and gerund.

Question 3: INTERMEDIATE

Rewrite this sentence using different verbals to change its emphasis: 'The tired students walked slowly to their lockers after the challenging test.' Include at least one gerund and one participle.
Show answer
Sample revision: 'Walking slowly to their lockers, the exhausted students felt relief after finishing the challenging test.' This revision uses 'Walking' as a present participle (describing how the students moved), 'exhausted' as a past participle (describing the students' condition), and 'finishing' as a gerund (object of the preposition 'after'). The new emphasis focuses on the walking action and the completion of the test rather than just the basic sequence of events.

Question 4: APPLIED

Write a paragraph describing your morning routine. Your paragraph must include at least two gerunds, two participles (one present and one past), and one infinitive. Underline each verbal and label its type in parentheses.
Show answer
Sample paragraph: 'Waking (gerund) up early helps me start my day right. I stumble to the kitchen, rubbing (present participle) my sleepy eyes. The prepared (past participle) coffee from the night before saves precious time. Eating (gerund) breakfast while checking my phone has become a habit. I always try to leave (infinitive) the house with everything I need for school.' This paragraph demonstrates how verbals can create variety and flow in descriptive writing.

Question 5: CRITICAL THINKING

Analyze why this sentence is awkward: 'Running quickly down the hallway, the bell rang before Tom could reach his classroom.' Identify the error, explain why it occurs, and provide two different corrections that fix the problem in different ways.
Show answer
This sentence contains a dangling participle. The participial phrase 'Running quickly down the hallway' appears to modify 'the bell,' but bells can't run. The error occurs because the participle doesn't have a clear, logical noun to modify. Correction 1 (fix the modifier): 'Running quickly down the hallway, Tom heard the bell ring before he could reach his classroom.' Correction 2 (change the structure): 'Tom was running quickly down the hallway when the bell rang, and he couldn't reach his classroom in time.' Both corrections ensure that the participial phrase clearly modifies Tom, the actual person doing the running.

SUMMARY

Verbals Mastery Summary

Summary

Verbals are verb forms that function as other parts of speech, giving writers powerful tools for creating varied and sophisticated sentences. Gerunds (verb + -ing) act as nouns and can serve as subjects, objects, or objects of prepositions. Participles come in two forms—present participles (verb + -ing) and past participles (usually verb + -ed)—and function as adjectives to describe nouns. Infinitives (to + base verb) are the most versatile, functioning as nouns, adjectives, or adverbs depending on context.

The key to using verbals correctly is understanding their function over form—don't just look at how they end, but analyze what job they're doing in the sentence. Avoid common mistakes like dangling participles and remember that context determines meaning. As you advance in writing, verbals become essential tools for creating sentence variety and stylistic sophistication in your prose.

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