Estructura Paralela en Listas (Coincidencia de Palabras)
idénticas.
Grammar Rule in 30 Seconds
Parallel structure means using the same grammatical form for all items in a list to ensure clarity and professional rhythm.
- Match parts of speech: If the first item is a noun, make them all nouns. Example: 'Apples, pears, and grapes.'
- Match verb forms: Don't mix gerunds and infinitives. Example: 'I like hiking, swimming, and running.'
- Match clause types: Keep the same voice (active/passive) throughout. Example: 'He opened the door, entered the room, and sat down.'
Overview
and, or, y but, deben pertenecer a la misma categoría gramatical. Si el primer elemento de tu lista es un sustantivo (noun), los demás deben ser sustantivos. Si empiezas con un gerundio (gerund), debes mantener esa terminación -ing hasta el final de la serie.The job requires experience, patience, and to be flexible, has roto el contrato. Empezaste con dos sustantivos abstractos (experience, patience) y terminaste con una frase en infinitivo (to be flexible).The job requires experience, patience, and flexibility. Ahora, todos los términos son sustantivos y la frase tiene un equilibrio perfecto.Me gusta la música y bailar.
la música) con un verbo en infinitivo con función de sustantivo (bailar). En inglés, para alcanzar ese estándar de C1, debemos ser más rigurosos. Si dices I like music and to dance, suena aceptable pero no refinado.I like music and dance (sustantivo + sustantivo) o I like listening to music and dancing (gerundio + gerundio).not only... but also, either... or, y `neither.... El elemento que sigue a la primera parte de la conjunción debe ser gramaticalmente idéntico al que sigue a la segunda. Por ejemplo, en He is not only talented but also works hard, el paralelismo falla porque talented es un adjetivo y works hard` es una frase verbal.He is not only talented but also hardworking (adjetivo + adjetivo).A, B, and C. La clave es que A, B y C deben tener el mismo peso gramatical. Esto no significa que deban tener el mismo número de palabras, sino la misma función sintáctica.A, B, and C). Aunque en español no la usamos antes de la y, y en inglés general a veces es opcional, en contextos académicos y profesionales de alto nivel su uso es altamente recomendado.I would like to thank my parents, Tiffany and God.my parents, Tiffany, and God— queda claro que son tres entidades distintas. Este nivel de precisión es el que buscamos.Noun, Noun, and Noun | We need strategy, focus, and investment. | Todos son sustantivos abstractos sin modificadores complejos. |Adj, Adj, and Adj | The process was slow, complex, and expensive. | Los tres describen al sujeto manteniendo la misma forma. |Gerund, Gerund, and Gerund | She enjoys swimming, hiking, and photographing. | Se usa la forma -ing para todas las actividades de la lista. |to V, to V, and to V | Our goal is to innovate, to adapt, and to excel. | El to puede repetirse en cada uno o solo ponerse al principio. |Verb, Verb, and Verb | The team analyzed, tested, and approved the code. | Todos los verbos están en el mismo tiempo (Past Simple). |Adv, Adv, and Adv | Deliver the speech clearly, concisely, and calmly. | Todos modifican al verbo con la terminación -ly. |to A, B, and C), tienes dos opciones profesionales. O pones el to solo en el primer elemento —to innovate, adapt, and excel— o lo repites en todos para dar énfasis —to innovate, to adapt, and to excel.The project aims to reduce costs, increase efficiency, and enhance quality.We must act quickly, decisively, and collectively que decir We must act quickly, with decision, and as a group.Finish the report(Imperativo)Sending the invoice(Gerundio)You should call the client(Oración completa)
Finish the reportSend the invoiceCall the client
than o as, el paralelismo es obligatorio.Driving a car is often more stressful than riding a bike.Driving (gerundio) con riding (gerundio). Si dijeras Driving a car is more stressful than to ride a bike, la frase perdería su equilibrio lógico.Sustantivo vs. Gerundio:Me gusta el fútbol y nadar. En inglés, si traduces eso directamente como
I like soccer and swimming, es gramaticalmente correcto pero, en un nivel C1, se prefiere una mayor consistencia.The program focuses on community development and improving literacy. Aquí, community development es una frase sustantivada, mientras que improving literacy es una frase de gerundio. Aunque se entiende, suena descompensado.The program focuses on developing the community and improving literacy (ambos gerundios).Last week, we analyzed the data, gathered the results, and then a decision was made.Last week, we analyzed the data, gathered the results, and made a decision.The candidate is ambitious, creative, and has a lot of experience.Ambitious y creative son adjetivos, pero has a lot of experience es un predicado verbal completo.The candidate is ambitious, creative, and experienced. (Tres adjetivos).bailar alrededor de la estructura, mientras que el inglés prefiere la línea recta.Es bueno para la salud y para relajarse. | Evitada:
It's good for your health and for relaxation (Sustantivo + Sustantivo). |Trae sal, pimienta y el aceite. | Se prefiere consistencia:
Bring salt, pepper, and oil (Ninguno) o the salt, the pepper, and the oil (Todos). |El correr es vida. | Usamos el gerundio:
Running is life. En listas: I love running, swimming, and cycling. |Hicimos la cena y se lavaron los platos. | El cambio se siente brusco:
We cooked dinner and washed the dishes (Mantiene la voz activa). |He took his hat and his leave. Aquí, el verbo took se usa con dos significados distintos.I like cats, dogs, and the extremely rare species of birds found in the Amazon, el paralelismo gramatical está ahí, pero el paralelismo rítmico se rompe.I like cats, dogs, and exotic birds.to o el ing?to del infinitivo o la preposición) en cada uno puede ayudar a que el lector no pierda el hilo. Ayuda a resetear el cerebro en cada punto. Por ejemplo: We are here to honor the past, to celebrate the present, and to envision the future.that, todas deberían empezar con that. Por ejemplo: The professor said that the exam would be difficult, that it would cover three chapters, and that no calculators would be allowed.that— es un error muy común que resta fluidez a tu discurso.Matching Grammatical Forms in Lists
| Category | Parallel Form 1 | Parallel Form 2 | Parallel Form 3 |
|---|---|---|---|
|
Nouns
|
The teacher
|
the student
|
the parent
|
|
Adjectives
|
Smart
|
funny
|
kind
|
|
Gerunds
|
Running
|
jumping
|
swimming
|
|
Infinitives
|
To see
|
to hear
|
to feel
|
|
Adverbs
|
Quickly
|
quietly
|
carefully
|
|
Prep. Phrases
|
In the car
|
on the bus
|
at the station
|
|
Clauses
|
That he came
|
that he saw
|
that he conquered
|
Meanings
Parallel structure (also called parallelism) is the repetition of a chosen grammatical form within a sentence. By making each compared item or idea in your sentence follow the same grammatical pattern, you create a cohesive and balanced flow.
Word-Level Parallelism
Matching individual words like nouns, adjectives, or adverbs in a simple list.
“The workshop was informative, engaging, and practical.”
“We need to act quickly, decisively, and effectively.”
Phrase-Level Parallelism
Matching phrases such as gerund phrases (-ing), infinitive phrases (to...), or prepositional phrases.
“He enjoys reading historical novels, watching indie films, and playing classical guitar.”
“To succeed is to work hard, to stay focused, and to remain humble.”
Clause-Level Parallelism
Matching entire clauses, ensuring they all use the same voice (active/passive) or tense structure.
“The coach told the players that they should get plenty of sleep, that they should eat a healthy meal, and that they should arrive early.”
“What we say is what we do, and what we do is who we are.”
Reference Table
| Tipo Gramatical | Ejemplo No Paralelo (Incorrecto) | Ejemplo Paralelo (Correcto) | Por qué es Paralelo |
|---|---|---|---|
|
Sustantivos
|
I enjoy `reading`, `to run`, and `music`.
|
I enjoy `reading`, `running`, and `music`.
|
Todos son gerundios o sustantivos, manteniendo la consistencia.
|
|
Adjetivos
|
She is `smart`, `kindly`, and `talented`.
|
She is `smart`, `kind`, and `talented`.
|
Todos son adjetivos.
|
|
Verbos (forma base)
|
He likes `to swim`, `dance`, and `singing`.
|
He likes `to swim`, `to dance`, and `to sing`.
|
Todos son infinitivos con `to`.
|
|
Adverbios
|
They worked `quickly`, `efficient`, and `diligently`.
|
They worked `quickly`, `efficiently`, and `diligently`.
|
Todos son adverbios.
|
|
Gerundios
|
`Running`, `to eat`, and `sleeping` are fun.
|
`Running`, `eating`, and `sleeping` are fun.
|
Todos son gerundios.
|
|
Participios Pasados
|
The report was `written`, `reviewed`, and `publishing`.
|
The report was `written`, `reviewed`, and `published`.
|
Todos son participios pasados.
|
Espectro de formalidad
The candidate is diligent, punctual, and highly professional. (Professional evaluation)
She is hardworking, on time, and professional. (Professional evaluation)
She's a hard worker, always on time, and super pro. (Professional evaluation)
She's a beast, always there, and totally legit. (Professional evaluation)
Estructura Paralela en Listas: Palabras Coincidentes
Tipos de Palabras
- Sustantivos books, movies, podcasts
- Adjetivos fast, reliable, intuitive
- Adverbios quickly, clearly, confidently
- Verbos (misma forma) study, practice, reflect
- Gerundios running, swimming, cycling
Beneficios
- Claridad Easy to understand
- Legibilidad Smooth flow
- Impacto Stronger message
- Profesionalismo Polished writing
Errores Comunes
- Formas mezcladas reading, to run, and music
- Verbos inconsistentes sing, dance, and painted
Listas Paralelas vs. No Paralelas
Verificando la Estructura Paralela en Listas
¿Tienes una lista o serie de 2+ elementos conectados por 'and', 'or', 'but'?
Identifica la forma gramatical del PRIMER elemento (sustantivo, adjetivo, verbo, gerundio, etc.).
¿TODOS los demás elementos de la lista comparten la MISMA forma gramatical que el primero?
Paralelismo por Parte de la Oración
Sustantivos
- • `books`, `films`, `games`
- • `experience`, `skills`, `achievements`
Adjetivos
- • `bright`, `colorful`, `engaging`
- • `smart`, `kind`, `ambitious`
Verbos (Base)
- • `run`, `jump`, `swim`
- • `plan`, `execute`, `evaluate`
Gerundios (-ing)
- • `drawing`, `painting`, `sculpting`
- • `researching`, `writing`, `presenting`
Adverbios
- • `quickly`, `quietly`, `calmly`
- • `clearly`, `concisely`, `confidently`
Ejemplos por nivel
I like cats, dogs, and birds.
I like cats, dogs, and birds.
She is tall and thin.
She is tall and thin.
He can run and jump.
He can run and jump.
Red, blue, and green are colors.
Red, blue, and green are colors.
I enjoy swimming and hiking.
I enjoy swimming and hiking.
He wants to eat and to sleep.
He wants to eat and to sleep.
The car is fast, quiet, and expensive.
The car is fast, quiet, and expensive.
She works in an office and at a school.
She works in an office and at a school.
The film was not only long but also boring.
The film was not only long but also boring.
We decided to stay home, order pizza, and watch a movie.
We decided to stay home, order pizza, and watch a movie.
She is interested in learning French and visiting Paris.
She is interested in learning French and visiting Paris.
You can either pay by cash or use a credit card.
You can either pay by cash or use a credit card.
The professor expected the students to arrive on time, to have read the book, and to be ready for the quiz.
The professor expected the students to arrive on time, to have read the book, and to be ready for the quiz.
Success depends on how hard you work and how well you network.
Success depends on how hard you work and how well you network.
The new policy is neither efficient nor cost-effective.
The new policy is neither efficient nor cost-effective.
He was praised for his honesty, his bravery, and his kindness.
He was praised for his honesty, his bravery, and his kindness.
The candidate's goals are to improve the economy, to reform the healthcare system, and to protect the environment.
The candidate's goals are to improve the economy, to reform the healthcare system, and to protect the environment.
It is a story about a man who loses everything, who struggles to survive, and who eventually finds redemption.
It is a story about a man who loses everything, who struggles to survive, and who eventually finds redemption.
The report was criticized for being biased, for lacking evidence, and for containing numerous errors.
The report was criticized for being biased, for lacking evidence, and for containing numerous errors.
Whether we win the game or whether we lose the game, we must play with honor.
Whether we win the game or whether we lose the game, we must play with honor.
To think clearly is a virtue; to speak eloquently is a gift; to act justly is a duty.
To think clearly is a virtue; to speak eloquently is a gift; to act justly is a duty.
The committee noted that the proposal was technically sound, that it was financially viable, but that it was ethically questionable.
The committee noted that the proposal was technically sound, that it was financially viable, but that it was ethically questionable.
We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets.
We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets.
The more we learn about the universe, the more we realize how little we actually know.
The more we learn about the universe, the more we realize how little we actually know.
Fácil de confundir
Learners often think they must repeat every word to be parallel, but ellipsis allows you to remove shared words.
This is a literary device where one word applies to two others in different senses (e.g., 'He took his hat and his leave').
Comparing a thing to a person or a quality to an object.
Errores comunes
I like apples and to swim.
I like apples and swimming.
He is tall and has strength.
He is tall and strong.
She likes cats, dogs, and play.
She likes cats, dogs, and playing.
I am from Spain and student.
I am from Spain and I am a student.
I enjoy to read and writing.
I enjoy reading and writing.
The room was dark, cold, and it smelled bad.
The room was dark, cold, and smelly.
He can sing, dance, and he plays guitar.
He can sing, dance, and play guitar.
It is better to stay than leaving.
It is better to stay than to leave.
She is not only smart but also she is kind.
She is not only smart but also kind.
The job involves typing, filing, and to answer phones.
The job involves typing, filing, and answering phones.
The report was researched well, written clearly, and the presentation was good.
The report was researched well, written clearly, and presented effectively.
The goal is to increase sales, reduce costs, and the improvement of quality.
The goal is to increase sales, reduce costs, and improve quality.
He was told to either sign the contract or that he should leave.
He was told either to sign the contract or to leave.
The study focused on the effects of stress, how people sleep, and diet.
The study focused on the effects of stress, sleep patterns, and diet.
Patrones de oraciones
I enjoy ___, ___, and ___.
The project was not only ___, but also ___.
To ___, to ___, and to ___ are my main goals.
Whether you ___, or whether you ___, you must ___.
Real World Usage
Specializing in digital marketing, content creation, and brand strategy.
Served with roasted potatoes, steamed vegetables, and garlic bread.
I am responsible for hiring staff, training new employees, and managing budgets.
Day 1: Arrive in Paris. Day 2: Visit the Louvre. Day 3: Depart for Lyon.
The tenant shall maintain the property, pay the rent, and respect the neighbors.
I love long walks, good wine, and great conversation.
Identifica el patrón rápido
Her daily routine includes waking up early, meditating, and preparing healthy meals.
Evita mezclar formas gramaticales
smart, kindness, and eating– simplemente no encajan.
He is smart and has kindness.(¡Incorrecto!)
Lee en voz alta para el ritmo
They worked quickly, efficient, and diligently.(Suena mal, ¿verdad?)
La claridad es universal
Clarity is universally valued.
Úsalo para impactar
I Have a Dreamde Martin Luther King Jr. "I have a dream that one day this nation will rise up and live out the true meaning of its creed: 'We hold these truths to be self-evident, that all men are created equal.'"
Smart Tips
Check the ending of each word. If the first two end in -ly, the third one probably should too.
Start every bullet point with a past-tense action verb.
Place the 'not only' immediately before the word you are comparing.
Repeat the 'anchor' word (like 'that' or 'to') to help the reader stay on track.
Pronunciación
List Intonation
When speaking a parallel list, use a rising intonation for each item except the last one, which should have a falling intonation.
The 1-2-3 Rise-Fall
I like hiking ↗, swimming ↗, and running ↘.
Indicates that the list is finished.
Memorízalo
Mnemotecnia
Think of 'The Mirror Rule': If you look at the first item in a list, every other item should see its own reflection in the same grammatical shape.
Asociación visual
Imagine a set of train tracks. For the train to move smoothly, both tracks must be perfectly parallel and made of the same material. If one rail turns into wood while the other is steel, the train crashes.
Rhyme
If the first is an -ing, let the others sing the same thing!
Story
A perfectionist architect was building a house. He insisted that if the first window was round, every window must be round. If the first door was oak, every door must be oak. His house was the most beautiful in the city because of its perfect symmetry.
Word Web
Desafío
Look at your last three sent emails. Find one list and check if it follows parallel structure. If not, rewrite it!
Notas culturales
Parallelism is highly valued in 'elevator pitches' and resumes. It signals a logical, organized mind.
Strict adherence to parallelism is expected in essays. Breaking it is often seen as a sign of poor education.
Parallelism is used in 'Mission Statements' to create a memorable, punchy brand voice.
From the Greek 'parallelos' (beside each other). It has been a core principle of rhetoric since Ancient Greece.
Inicios de conversación
What are three things you love doing on the weekend?
If you were the president, what three things would you change first?
Describe your ideal job in three adjectives.
What are the qualities of a great leader?
Temas para diario
Errores comunes
Test Yourself
Choose the correct sentence:
reading, running, music) son gerundios o sustantivos, manteniendo una forma gramatical consistente. ¡Perfecto!Find and fix the mistake:
The candidate was `intelligent`, `experienced`, and `a hard worker`.
intelligent, experienced) con una frase nominal (a hard worker). Hard-working es un adjetivo, creando una estructura paralela. ¡Bien hecho!My goals for this year are `learning a new skill`, `traveling to a new country`, and ___ `more regularly`.
learning, traveling), por lo que el tercer elemento también debe ser un gerundio para mantener la estructura paralela. ¡Así se hace!Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Score: /4
Ejercicios de practica
8 exercisesFind and fix the mistake:
He likes to swim, hiking, and to run.
Select the correct sentence:
She is not only a great singer but also ___.
The study was expensive, time-consuming, and it was difficult.
To succeed is to work hard and staying focused.
Identify the non-parallel list:
I want to lose weight, ___.
1. Noun, 2. Gerund, 3. Clause
Score: /8
Practice Bank
11 exercisesThe film was `dark`, `gritty`, and sometimes quite ___.
Which sentence is correct?
My hobbies include `hiking`, `playing guitar`, and `to cook`.
Translate into English: 'Él es inteligente, ambicioso y trabajador.'
Arrange these words into a sentence:
Match the starting phrases with their grammatically parallel lists:
She handled the crisis `calmly`, `decisively`, and ___.
The restaurant serves `fresh` seafood, `delicious` pasta, and `their desserts are amazing`.
Which of these sentences is grammatically correct?
Match the beginning of the sentence to the correct parallel ending:
Translate into English: 'Ella es dedicada, creativa y confiable.'
Score: /11
Preguntas frecuentes (8)
No, you can say 'to eat, to sleep, and to dream' OR 'to eat, sleep, and dream.' Just don't mix them like 'to eat, sleep, and to dream.'
Technically yes, because gerunds function as nouns (e.g., 'I like pizza and swimming'). However, for stylistic C1 writing, it is often better to keep them identical.
Yes! If your first bullet point starts with a verb, all of them should start with a verb in the same tense.
It is when you attempt to create a list but use different grammatical forms, like 'He is smart and a hard worker.'
Absolutely. Whatever follows 'either' must match whatever follows 'or.' For example: 'either at home or at work.'
It helps the listener follow your logic. If your structure is messy, the listener has to work harder to understand you.
Usually no. If you are listing actions in the past, keep them all in the past: 'He came, he saw, he conquered.'
Yes, the rules of parallelism are universal across all standard dialects of English.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Paralelismo
English uses gerunds for 'enjoying' activities; Spanish uses infinitives.
Parallélisme
French repeats prepositions more frequently than English.
Parallelismus
German requires case matching across the list.
並列構造 (Heiretsu kōzō)
Japanese uses specific grammatical markers (particles) to signal parallelism.
التوازي (al-tawāzī)
Arabic often repeats the conjunction 'and' between every item.
排比 (Páibǐ)
Chinese parallelism often focuses on matching the number of syllables.
Learning Path
Prerequisites
Videos relacionados
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