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B1 Verb #30 most common 12 min read

fills

Top 30

Practice it Examples Notes & Tips fills in 30 Seconds

Explanation fills in your Level:

At the A1 level, 'fills' is a very simple action word. It usually means putting something inside something else until it is full. We use it for everyday things like water, food, or toys. For example, 'He fills the cup.' It is important to remember the 's' at the end when we talk about one person (he, she, or it). You might see this word in a kitchen or a classroom. It is a 'doing' word. You can imagine a bottle getting more and more water until the water reaches the top. That is what 'fills' means. It is a basic building block for describing what people do with containers. You don't need to worry about complicated meanings yet. Just think of it as making something full. It is the opposite of 'empties'. If you have a box and you put many books in it, you can say 'The boy fills the box with books.' It is a helpful word for describing chores or simple tasks you do every day.

At the A2 level, you start to use 'fills' in more common daily routines and slightly more varied contexts. You might use it to describe putting gas in a car ('He fills the car with petrol') or talk about how something happens naturally ('The rain fills the pond'). You are also introduced to the idea of 'filling out' a form, which is very important for travel or school. You might hear a teacher say, 'She fills out the worksheet.' At this level, you should be comfortable using 'fills' with different singular subjects and understanding that it often needs the word 'with' to show what is being put inside. You also learn that 'fills' can describe a smell or a sound in a simple way, like 'The music fills the room.' This helps you make your sentences a bit more descriptive. You are moving from just physical objects to things you can't touch, like sounds or smells, but the basic idea of 'making full' stays the same.

At the B1 level, 'fills' becomes a more versatile tool for communication. You use it not just for physical objects, but for abstract ideas like emotions, roles, and time. For example, you can say 'The news fills him with joy' or 'She fills her time with reading.' You also use it in professional contexts, such as 'The company fills the position.' This level requires you to understand phrasal verbs like 'fill in' (to substitute or provide info) and 'fill out' (to complete a document). You should also be aware of common collocations like 'fills the gap' or 'fills the requirements.' At B1, you are expected to use 'fills' to describe more complex situations and to understand its use in stories or news articles. You can distinguish between the literal meaning (filling a bucket) and the metaphorical meaning (filling a heart with hope). This nuance allows you to express yourself more clearly and understand more sophisticated English texts.

At the B2 level, you use 'fills' with greater precision and in more formal or technical contexts. You might encounter it in business English when discussing 'filling an order' or 'filling a vacancy.' You understand the subtle differences between 'fills' and its synonyms like 'occupies', 'replenishes', or 'saturates'. You can use 'fills' to describe complex processes, such as 'The data fills the gaps in our research.' You are also familiar with more idiomatic expressions, such as 'fills the bill' (to be exactly what is needed) or 'fills someone's shoes' (to replace someone competently). At this level, your use of 'fills' should be grammatically perfect, and you should be able to use it to create specific atmospheres in your writing. You might use it in a literary sense to describe how a particular theme 'fills' a novel. Your understanding of the word is now deep enough to use it in academic, professional, and creative settings without hesitation.

At the C1 level, you appreciate the stylistic and rhetorical power of 'fills'. You use it to create vivid imagery and to describe subtle, pervasive influences. You might write about how a specific philosophy 'fills' a historical period or how a certain aesthetic 'fills' an architectural space. You are comfortable with its use in highly formal documents and complex literature. You can analyze how 'fills' functions in poetry to create a sense of presence or absence. You also understand its use in specialized fields, such as medicine ('filling a prescription') or engineering ('filling a void'). At this level, you can use 'fills' to convey nuance, such as the difference between a sound that 'fills' a room and one that 'echoes' through it. Your vocabulary is rich enough that you choose 'fills' specifically for its connotations of completion and saturation, often using it in conjunction with other sophisticated verbs to create a layered and precise description of reality.

At the C2 level, your mastery of 'fills' is complete and effortless. You use it with a native-like sensitivity to tone and context. You might use it in philosophical discourse to discuss the 'void that fills existence' or in high-level political analysis to describe how a new policy 'fills a legislative vacuum.' You are aware of the word's entire history and its various shades of meaning across different English-speaking cultures. You can use 'fills' in wordplay, irony, or complex metaphors. You might employ it in a highly technical sense in scientific writing, describing how a gas 'fills' a container according to specific laws of physics. At this level, 'fills' is just one of many tools in your expansive linguistic repertoire, and you use it with precision, elegance, and an innate understanding of its impact on the reader or listener. You can seamlessly move between its most literal and most abstract applications, often blending them to create profound and memorable expressions.

Practice it Examples Notes & Tips

fills in 30 Seconds

Fills is the present tense verb used for singular subjects to describe making something full or occupying a space.
It can be used literally for liquids and objects, or metaphorically for jobs, time, and emotions.
Commonly paired with the preposition 'with' to indicate the substance or quality being added.
Essential for describing daily tasks, professional hiring, and sensory experiences in English.

The word fills is the third-person singular present form of the verb 'fill'. At its core, it describes the action of making something full by putting a substance, objects, or even abstract qualities into a container, space, or void. When we say someone 'fills' a glass, we are describing a physical transition from emptiness to capacity. However, the utility of 'fills' extends far beyond the kitchen or the gas station. It is a versatile verb used to describe how sound permeates a room, how a candidate occupies a professional vacancy, or how an emotion permeates a person's spirit. In daily English, 'fills' is a foundational verb because it addresses the fundamental concept of volume and presence. Whether it is a baker who fills a pastry with cream or a musician whose melody fills the concert hall, the word denotes a completion of space.

Physical Containment: This refers to the most literal usage, where a substance is added to a vessel until no more can be held. For example, 'The rain fills the bucket' suggests a natural process of accumulation.

The chef carefully fills each tart with a rich chocolate ganache before serving.

Beyond the physical, 'fills' is used extensively in professional and metaphorical contexts. In the workplace, when a manager 'fills' a position, they are not putting a person into a literal hole, but rather assigning a human resource to a specific role or set of responsibilities. This metaphorical 'filling' implies that the role was previously a 'vacancy'—an empty spot in the organizational structure. Similarly, in the realm of emotions, we often describe how a particular feeling 'fills' our heart or mind. This suggests that the emotion is so strong that it leaves no room for other thoughts, effectively saturating our consciousness. This nuance is vital for B1 learners to grasp, as it moves the word from a simple action verb to a descriptive tool for internal states.

Occupying Time: 'Fills' can also describe how an activity consumes time. 'He fills his weekends with gardening' means his time is entirely occupied by that hobby.

The smell of freshly baked bread fills the entire house every Sunday morning.

In sensory descriptions, 'fills' is a powerful verb. It describes how light fills a room, how a scent fills the air, or how a sound fills a silence. In these cases, the 'container' is the environment itself. This usage is common in literature and descriptive writing to create a sense of atmosphere. When a writer says 'Silence fills the room,' they are personifying silence as a substance that has volume and weight, creating a more evocative image than simply saying 'It was quiet.' Understanding these layers of meaning allows a learner to use 'fills' in a variety of creative and practical ways, from describing a gas station transaction to writing a poetic description of a sunset.

Administrative Context: In paperwork, one 'fills out' a form. While 'fills' alone can mean to complete a blank space, 'fills out' is the phrasal verb used for documents.

She fills the prescription at the local pharmacy once a month.

The director fills the lead role with a relatively unknown actor.

A sense of dread fills his mind as he approaches the old, dark house.

Using fills correctly requires an understanding of subject-verb agreement and the transitive nature of the verb. Because 'fills' is the third-person singular form, it must always be paired with a singular subject. This could be a pronoun like 'he', 'she', or 'it', or a singular noun like 'the water', 'the company', or 'the artist'. A common error for learners is using 'fill' when 'fills' is required, or vice versa. For example, 'The water fills the glass' is correct, whereas 'The waters fills the glass' is incorrect because 'waters' (plural) would require 'fill'.

Transitive Usage: In most cases, 'fills' takes a direct object. Subject + fills + Object. Example: 'He fills the tank.'

The employee fills the vending machine every Tuesday morning.

We also use 'fills' in various idiomatic and phrasal constructions. 'Fills out' is perhaps the most common, used when completing a form or when someone becomes more physically robust (e.g., 'He fills out his suit well'). Another common pattern is 'fills in', which can mean to provide missing information or to act as a substitute for someone. For instance, 'She fills in for the teacher when he is sick.' In this context, 'fills' describes the act of occupying a temporary vacancy. It is important to note the preposition that follows 'fills', as it completely changes the meaning of the sentence.

The 'Fills with' Pattern: This pattern is used to describe the substance or emotion that is being added. Example: 'The news fills her with hope.'

The architect fills the space with natural light using large floor-to-ceiling windows.

When describing a person's role, 'fills' is often used to denote competence. To say someone 'fills the shoes' of a predecessor means they are performing the job as well as the person who held it before them. This is a high compliment in professional settings. Conversely, if someone 'fills a gap,' they are providing something that was missing or needed. This could be a gap in a market, a gap in a conversation, or a gap in a schedule. In all these instances, 'fills' acts as a verb of completion and utility.

Intransitive Usage: Occasionally, 'fills' is used without a direct object to describe a state of becoming full. Example: 'The hall fills quickly before the concert.'

As the sun sets, a deep purple hue fills the horizon.

The author fills the pages with vivid descriptions of the Italian countryside.

Every morning, the janitor fills the soap dispensers in the restrooms.

In the real world, you will encounter the word fills in a variety of specific environments. One of the most common is the service industry. At a gas station, you might hear a customer say, 'He fills it up with premium,' referring to the attendant. In a restaurant, a server 'fills' water glasses or 'fills' an order. These are transactional uses where the word is tied to a specific task or service. In these contexts, 'fills' is often part of a routine, signifying the maintenance of a standard level of supply.

Medical and Pharmaceutical: A pharmacist 'fills' a prescription. This means they are preparing the medication as ordered by a doctor. Similarly, a dentist 'fills' a cavity in a tooth.

The pharmacist fills hundreds of orders for antibiotics every single day.

In the corporate world, 'fills' is a standard term in Human Resources. When a company 'fills a vacancy,' it has successfully hired someone for a job. You will see this in news reports: 'The tech giant fills the CEO position with an internal candidate.' This usage highlights the idea of an organization as a structure with specific slots that need to be occupied. Furthermore, in office administration, people 'fill out' forms or 'fill in' spreadsheets. Here, 'fills' is associated with the completion of data and the fulfillment of bureaucratic requirements.

Creative and Artistic Fields: An artist 'fills' a canvas with color. A musician 'fills' the air with sound. This usage is more poetic and focuses on the transformative power of art.

The soprano's voice fills the opera house, reaching even the furthest seats in the balcony.

You will also hear 'fills' in weather reports and nature documentaries. 'The rising tide fills the tide pools,' or 'The smoke from the wildfire fills the valley.' In these cases, 'fills' describes large-scale natural phenomena. It conveys a sense of inevitability and scale. In domestic life, parents might say a child 'fills the house with laughter,' which is a common sentimental expression. Whether the context is technical, professional, or emotional, 'fills' is a word that describes the movement from a state of lack to a state of abundance.

Daily Domestic Life: From filling a kettle for tea to filling a dishwasher, this word is a staple of household chores and routines.

He fills the bird feeder every morning to attract local cardinals and jays.

The excitement fills the stadium as the home team takes the field for the championship.

The administrator fills the database with new entries from the weekend's registrations.

One of the most frequent mistakes learners make with fills is confusing it with the phonetically similar word 'feels'. While 'fills' (/fɪlz/) relates to volume and space, 'feels' (/fiːlz/) relates to emotions and physical sensations. This is a classic minimal pair in English. Saying 'He feels the glass with water' is a common slip that can lead to confusion, as it suggests he is touching the glass to sense its texture rather than pouring liquid into it. Paying close attention to the short 'i' sound in 'fills' versus the long 'e' sound in 'feels' is crucial for clear communication.

Subject-Verb Agreement: Using 'fill' for singular subjects (e.g., 'He fill the cup') or 'fills' for plural subjects (e.g., 'They fills the cups') are very common errors at the B1 level.

He fill the tank. He fills the tank.

Another area of confusion involves prepositions. Learners often struggle with whether to use 'fills with', 'fills of', or 'fills by'. In English, 'fills with' is the standard construction to indicate the substance being added (e.g., 'She fills the vase with flowers'). Using 'of' is usually incorrect in this verbal context, although 'full of' is a correct adjectival phrase (e.g., 'The vase is full of flowers'). Confusing the verb 'fills' with the adjective 'full' is a structural error. You cannot say 'He fulls the glass'; you must say 'He fills the glass' or 'The glass is full'.

Phrasal Verb Misuse: Learners sometimes use 'fill' when they mean 'fill out' or 'fill in'. For example, 'Fill this form' is often understood, but 'Fill out this form' is the more natural, idiomatic choice.

The student fills in the bubbles on the multiple-choice answer sheet.

Finally, there is the issue of 'filling' versus 'full'. 'Fills' is an action; 'full' is a state. Learners sometimes try to use 'fills' as an adjective. For example, 'The room is fills' is incorrect. It should be 'The room is full' or 'The crowd fills the room'. Understanding that 'fills' requires a subject that is performing the action of making something full will help prevent these grammatical slips. Additionally, be careful with the spelling; 'fills' has two 'l's, and missing one is a common orthographic mistake.

Overuse of 'Fills': While 'fills' is a great word, using it for everything can be repetitive. Consider synonyms like 'occupies', 'loads', or 'replenishes' for variety.

The water fills the pool slowly over the course of several hours.

The smoke fills the kitchen after the toast burns in the toaster.

She fills her journal with sketches of the people she sees on the subway.

To truly master the concept of fills, it is helpful to compare it with its synonyms and related terms. Each alternative carries a slightly different nuance that can make your writing more precise. For example, 'occupies' is often used when talking about space or time in a more formal or static way. While 'the water fills the glass' is an active process, 'the furniture occupies the room' describes a state of being. 'Replenishes' is a sophisticated alternative that implies filling something that was once full but has since become empty, such as 'The rain replenishes the reservoir'.

Fills vs. Occupies: 'Fills' implies the process of making full. 'Occupies' simply means being in a space. You fill a glass; a chair occupies a corner.

The new library occupies the site where the old factory used to stand.

In more intense or negative contexts, you might use 'crams' or 'stuffs'. These words suggest filling something beyond its comfortable capacity or doing so with force. 'He stuffs his suitcase with clothes' implies a lack of organization and a struggle to close the bag. 'Saturates' is another powerful alternative, often used in scientific or descriptive contexts to mean filling something so completely that no more can be absorbed. For instance, 'The heavy rain saturates the soil.' This goes beyond 'fills' by suggesting a deep, thorough penetration of the substance.

Fills vs. Loads: 'Loads' is typically used for heavy items or vehicles. You fill a glass, but you load a truck or a dishwasher.

The worker loads the crates onto the shipping pallet with a forklift.

When discussing roles or positions, 'appoints' or 'hires' can be more specific than 'fills'. While 'The company fills the role' is common, 'The company appoints a new director' specifies the action of choosing. In the context of emotions, 'suffuses' or 'pervades' are literary alternatives. 'A sense of peace suffuses the garden' sounds more elegant than 'A sense of peace fills the garden'. By choosing the right synonym, you can convey the exact speed, intensity, and nature of the 'filling' action you are describing.

Fills vs. Stocks: 'Stocks' is used for commercial inventory. A grocer fills a bag, but they stock the shelves with products.

The clerk stocks the refrigerator with cold drinks before the lunch rush.

The traveler packs her bag with only the essentials for the weekend trip.

The scent of pine pervades the air in the mountain cabin.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

The word 'fill' is related to the word 'full', which has been in the English language for over a thousand years.

Pronunciation Guide

UK /fɪlz/

US /fɪlz/

Single syllable, no primary stress variation.

Rhymes With

bills hills pills skills thrills wills kills mills

Common Errors

Pronouncing it like 'feels' (/fiːlz/) with a long 'e'.
Missing the 's' at the end.
Pronouncing the 's' as a sharp 's' instead of a voiced 'z'.
Confusing it with 'files'.
Vowel sound being too open, like 'fells'.

Difficulty Rating

Reading 2/5

Easy to recognize in context.

Writing 3/5

Requires correct subject-verb agreement.

Speaking 3/5

Watch out for 'feels' vs 'fills' pronunciation.

Listening 2/5

Clear sound but can be confused with 'feels'.

What to Learn Next

Prerequisites

fill full empty water cup

Learn Next

occupies replenishes satisfies completes saturates

Advanced

permeates suffuses pervades inundates satiates

Grammar to Know

Third Person Singular Present

He/She/It fills (Add 's' to the base verb).

Transitive Verbs

He fills the cup (Requires an object).

Phrasal Verbs

Fill out, Fill in, Fill up (Meaning changes with preposition).

Subject-Verb Agreement

The water fills (Singular), The waters fill (Plural).

Prepositional Phrases

Fills with (Indicates the substance used).

Examples by Level

He fills the glass with water.

Il remplit le verre d'eau.

3rd person singular 's'

She fills the box with toys.

Elle remplit la boîte de jouets.

Subject 'She' takes 'fills'

The cat fills its bowl with food.

Le chat remplit son bol de nourriture.

Singular noun 'cat' takes 'fills'

It fills the room with light.

Cela remplit la pièce de lumière.

Pronoun 'It' takes 'fills'

The boy fills his bag for school.

Le garçon remplit son sac pour l'école.

Present tense action

She fills the kettle with water.

Elle remplit la bouilloire d'eau.

Common kitchen verb

He fills the hole with sand.

Il remplit le trou avec du sable.

Physical action

The rain fills the small cup.

La pluie remplit la petite tasse.

Natural process

He fills the car with gas every Monday.

Il fait le plein de la voiture tous les lundis.

Routine action

She fills out the form for the library card.

Elle remplit le formulaire pour la carte de bibliothèque.

Phrasal verb 'fills out'

The music fills the house on weekends.

La musique remplit la maison le week-end.

Sensory description

He fills the bird feeder with seeds.

Il remplit la mangeoire d'oiseaux avec des graines.

Hobby/Task

The smell of pizza fills the kitchen.

L'odeur de la pizza remplit la cuisine.

Describing scent

She fills her bottle before the gym.

Elle remplit sa bouteille avant la gym.

Daily habit

The teacher fills the board with notes.

Le professeur remplit le tableau de notes.

Classroom context

It fills me with happiness to see you.

Cela me remplit de bonheur de te voir.

Simple emotion

The news fills the public with concern.

La nouvelle remplit le public d'inquiétude.

Abstract emotion

She fills the role of manager very well.

Elle remplit très bien le rôle de manager.

Professional role

He fills his spare time with volunteering.

Il occupe son temps libre par le bénévolat.

Occupying time

The company fills the vacancy after a month.

L'entreprise pourvoit le poste après un mois.

Business context

This book fills a gap in my knowledge.

Ce livre comble une lacune dans mes connaissances.

Metaphorical gap

The pharmacist fills the prescription quickly.

Le pharmacien prépare l'ordonnance rapidement.

Technical/Medical use

The aroma of coffee fills the morning air.

L'arôme du café remplit l'air du matin.

Evocative description

He fills in for his colleague today.

Il remplace son collègue aujourd'hui.

Phrasal verb 'fills in'

The candidate fills all the requirements for the job.

Le candidat remplit toutes les conditions pour le poste.

Formal requirement

Her voice fills the hall with a powerful resonance.

Sa voix remplit la salle d'une puissante résonance.

Acoustic description

The government fills the budget deficit with a new tax.

Le gouvernement comble le déficit budgétaire par une nouvelle taxe.

Economic context

This new evidence fills the missing pieces of the story.

Ces nouvelles preuves complètent les pièces manquantes de l'histoire.

Logical completion

The artist fills the canvas with bold, vibrant strokes.

L'artiste remplit la toile de traits vifs et audacieux.

Artistic technique

He fills the position of chairman starting next month.

Il occupera le poste de président à partir du mois prochain.

Official title

The silence fills the room after the argument.

Le silence remplit la pièce après la dispute.

Atmospheric use

She fills her speech with anecdotes and humor.

Elle agrémente son discours d'anecdotes et d'humour.

Rhetorical style

The nostalgia fills the room as they look at old photos.

La nostalgie envahit la pièce alors qu'ils regardent de vieilles photos.

Nuanced emotion

The architect fills the atrium with light and greenery.

L'architecte baigne l'atrium de lumière et de verdure.

Design terminology

His presence fills the stage even before he speaks.

Sa présence occupe la scène avant même qu'il ne parle.

Abstract quality

The report fills a significant void in current research.

Le rapport comble un vide important dans la recherche actuelle.

Academic impact

A sense of impending doom fills the final chapter.

Un sentiment de catastrophe imminente imprègne le dernier chapitre.

Literary analysis

The liquid fills the capillary tube through surface tension.

Le liquide remplit le tube capillaire par tension superficielle.

Scientific precision

She fills the role with a grace that is rare to find.

Elle incarne le rôle avec une grâce rare.

Elevated description

The fragrance fills the garden, attracting many bees.

Le parfum embaume le jardin, attirant de nombreuses abeilles.

Biological context

The existential dread fills the protagonist's every thought.

L'angoisse existentielle envahit chaque pensée du protagoniste.

Philosophical depth

The melody fills the silence, weaving a complex tapestry of sound.

La mélodie remplit le silence, tissant une tapisserie sonore complexe.

Metaphorical richness

His legacy fills the halls of the institution he founded.

Son héritage imprègne les couloirs de l'institution qu'il a fondée.

Abstract influence

The data fills the parameters of the simulation perfectly.

Les données correspondent parfaitement aux paramètres de la simulation.

Technical precision

A profound melancholy fills the verses of the poem.

Une profonde mélancolie imprègne les vers du poème.

Literary critique

The light fills the cathedral, illuminating the ancient stones.

La lumière inonde la cathédrale, éclairant les pierres anciennes.

Aesthetic grandeur

She fills the void left by her predecessor with innovation.

Elle comble le vide laissé par son prédécesseur par l'innovation.

Strategic leadership

The atmosphere fills with a palpable sense of anticipation.

L'atmosphère se charge d'un sentiment d'anticipation palpable.

Intransitive use

Common Collocations

fills the gap

fills the bill

fills a vacancy

fills with joy

fills the air

fills the tank

fills a prescription

fills the requirements

fills the room

fills out a form

Common Phrases

fills in for

— To do someone's job while they are away.

She fills in for the manager on Mondays.

fills out

— To complete a document or to become larger/rounder.

He fills out the application form.

fills up

— To make something completely full.

The car fills up at the station.

fills the shoes of

— To replace someone and do their job well.

He fills the shoes of his father in the company.

fills a need

— To provide something that is necessary.

This charity fills a need in the community.

fills the space

— To occupy an empty area.

A new painting fills the space on the wall.

fills the time

— To do something to avoid being bored.

He fills the time by playing games.

fills with tears

— To become full of tears (eyes).

Her eyes fill with tears of happiness.

fills the screen

— To take up the whole area of a monitor.

The image fills the screen.

fills the order

— To provide the goods that were requested.

The warehouse fills the order quickly.

Often Confused With

fills vs feels

Relates to emotions/touch, has a long 'e' sound.

fills vs files

Relates to organizing papers or smoothing surfaces.

fills vs falls

Relates to dropping down due to gravity.

Idioms & Expressions

"fills the bill"

— To be exactly what is needed in a particular situation.

I need a small car, and this one fills the bill.

Informal

"fills someone's shoes"

— To take over someone's role and perform as well as they did.

It will be hard to find someone who fills her shoes.

Neutral

"fills the void"

— To provide something that is missing or to replace a loss.

The new hobby fills the void after he retired.

Neutral

"fills a hole"

— To provide something missing, often temporarily.

This snack fills a hole until dinner.

Informal

"fills the pot"

— In gambling, to add money to the total.

He fills the pot with another ten dollars.

Informal

"fills the airwaves"

— To be broadcast frequently on radio or TV.

The new song fills the airwaves this summer.

Neutral

"fills the coffers"

— To bring in a lot of money for an organization.

The festival fills the coffers of the local council.

Formal

"fills the sails"

— To provide energy or momentum to a project.

The new investment fills the sails of the startup.

Metaphorical

"fills the heart"

— To make someone feel a very strong emotion.

The kindness of strangers fills the heart.

Literary

"fills the ranks"

— To provide the necessary number of people for a group.

New recruits fill the ranks of the army.

Neutral

Easily Confused

fills vs feels

Phonetic similarity.

Fills is about volume; feels is about sensation. Fills has a short 'i'; feels has a long 'e'.

He fills the glass (volume); He feels the glass (sensation).

fills vs fulls

Learners try to turn the adjective 'full' into a verb.

'Full' is an adjective; 'fills' is the verb. 'Fulls' is not a standard English verb.

The glass is full (adjective); He fills the glass (verb).

fills vs files

Spelling similarity.

Files is about organization; fills is about volume.

He files the report (organizes); He fills the report (writes in it).

fills vs fells

Phonetic similarity.

Fells means to cut down (like a tree).

He fells the tree; He fills the hole.

fills vs fuels

Related context (gas stations).

Fuels is the substance; fills is the action.

Gasoline fuels the car; He fills the car with gas.

Sentence Patterns

Subject + fills + Object.

He fills the cup.

Subject + fills + Object + with + Noun.

She fills the box with toys.

Subject + fills + out + Noun.

He fills out the form.

Subject + fills + in + for + Person.

She fills in for the boss.

Subject + fills + the + gap/vacancy.

The company fills the vacancy.

Abstract Subject + fills + the + Space.

Silence fills the room.

Metaphorical Subject + fills + the + Void.

His legacy fills the void.

Subject + fills + with + Emotion.

The news fills her with joy.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Very high in daily and professional English.

Common Mistakes

He fill the cup. → He fills the cup.
Singular subjects require the 's' ending in the present tense.
The room is fills. → The room is full.
'Fills' is a verb, but here an adjective ('full') is needed to describe the state.
He feels the glass with water. → He fills the glass with water.
Confusing 'feels' (sensation) with 'fills' (volume).
She fills of the vase with flowers. → She fills the vase with flowers.
The preposition 'of' is not used after the verb 'fills'.
They fills the orders. → They fill the orders.
Plural subjects do not take the 's' ending on the verb.

Tips

Subject-Verb Agreement

Always pair 'fills' with a singular subject. If the subject is 'they', use 'fill'.

Short Vowel

Keep the 'i' sound short. If you make it long, it sounds like 'feels'.

Phrasal Verbs

Learn 'fill out', 'fill in', and 'fill up' as they are very common in daily English.

Sensory Details

Use 'fills' to describe how smells, sounds, and light occupy a space.

Job Vacancies

Use 'fills the position' or 'fills the role' in business contexts.

Prescriptions

Remember that pharmacists 'fill' prescriptions.

Fills the Bill

Use this idiom when something is a perfect fit for a need.

Double L

Don't forget the second 'l' in 'fills'.

Avoid Repetition

Use synonyms like 'occupies' or 'stocks' to keep your writing interesting.

Context Clues

If you hear 'with water' or 'the form', the word is definitely 'fills'.

Memorize It

Mnemonic

Think of 'fills' as 'Full In Little Loads'.

Visual Association

Imagine a glass being filled with water until it reaches the top.

Word Web

water gas job form emotion space time role

Challenge

Write three sentences using 'fills' for a physical object, a job, and a feeling.

Word Origin

Derived from Old English 'fyllan', which means to make full or to satisfy.

Original meaning: To make full, to complete, or to satiate.

Germanic

Cultural Context

No specific sensitivities, but 'filling a role' should be used respectfully regarding professional capabilities.

Commonly used in service industries and administrative tasks.

'Fills the bill' (common idiom) 'Fills the void' (philosophical concept) 'Filling the gap' (business strategy)

Practice in Real Life

Real-World Contexts

Kitchen

fills the pot
fills the glass
fills the bowl
fills the sink

Office

fills the role
fills out the form
fills the vacancy
fills in for

Gas Station

fills the tank
fills it up
fills the container
fills the tires

Pharmacy

fills the prescription
fills the order
fills the bottle
fills the request

Nature

fills the valley
fills the pond
fills the air
fills the sky

Conversation Starters

"How does he fill his time during the weekends?"

"Who fills in for the teacher when she is away?"

"What fills you with the most joy in life?"

"How often does he fill the car with gas?"

"Does this new project fill a gap in your company?"

Journal Prompts

Describe a scent that fills your home during the holidays.

Write about a person who fills their role at work perfectly.

What is a hobby that fills your spare time and makes you happy?

Describe how the light fills your room in the early morning.

Write about a news story that fills you with hope for the future.

Frequently Asked Questions

10 questions

Use 'fills' for singular subjects (he, she, it, the dog) and 'fill' for plural subjects (they, we, the dogs) or 'I' and 'you'.

It is an idiom meaning something is exactly what is needed for a specific purpose.

Yes, you can say 'The news fills me with happiness' or 'Fear fills his heart'.

'Fills out' is usually for documents/forms. 'Fills in' can be for missing info or substituting for a person.

Yes, it usually takes an object (the thing being filled), though it can be intransitive (The room fills up).

It is pronounced /fɪlz/, with a short 'i' like in 'pig' and a 'z' sound at the end.

No, 'full' is an adjective. The verb is 'fill', so you must say 'He fills the cup'.

'Occupies', 'appoints', or 'hires' are often used depending on the specific situation.

No, you can say 'He fills the glass.' 'With' is only used if you want to specify the substance.

The past tense is 'filled'.