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B1 verb #4,000 le plus courant 11 min de lecture

sustituir

Top 4,000

Entraîne-toi Exemples Notes et astuces sustituir en 30 secondes

Explication sustituir in your Level:

At the A1 level, you can think of 'sustituir' as a more specific way to say 'cambiar' (to change). Imagine you are in a kitchen. If you don't have sugar, you use honey instead. That is 'sustituir'. At this level, you should focus on the basic idea: putting one thing in the place of another. The most important thing to learn is the phrase 'sustituir A por B'. You don't need to worry about complex grammar yet. Just remember that 'sustituir' is used when you take one thing out and put a different thing in. For example: 'Yo sustituyo el pan por fruta'. It is a very useful word for talking about food, colors, or simple objects. Even if the 'y' spelling (sustituyo) is a bit hard, you can start by using the infinitive: 'Quiero sustituir esto'.

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At the A2 level, you begin to use 'sustituir' for more daily activities and simple professional situations. You might use it to talk about sports, like when a player leaves the game and another enters. You should start practicing the present tense, especially the 'y' change: 'Yo sustituyo', 'Tú sustituyes', 'Él sustituye'. This is a key pattern for verbs ending in -uir. You should also know that when you replace a person, you need the 'personal a'. For example: 'Voy a sustituir a mi compañero'. At this level, you are moving beyond simple objects to people and more specific actions. You can also use it for simple repairs, like 'sustituir una bombilla' (replacing a lightbulb).

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As a B1 learner, 'sustituir' is a word you should use with confidence. You understand that it is more precise than 'cambiar' and you use it in various contexts: cooking, work, sports, and technology. You are expected to master the 'y' spelling changes in the present indicative and the present subjunctive (sustituya). You also know how to use the preterite tense correctly, including the third person singular 'sustituyó' and plural 'sustituyeron'. You understand the importance of the preposition 'por' and can use direct object pronouns to avoid repetition, like 'La pieza estaba rota y tuve que sustituirla'. You are starting to see the word in news articles and more formal instructions.

At the B1 level, 'sustituir' becomes a tool for discussing abstract concepts and more complex systems. You can use it to talk about economic theories, like 'sustitución de importaciones', or technical upgrades in software. You are comfortable using the passive voice: 'El antiguo sistema fue sustituido por uno más eficiente'. You also understand the nuance between 'sustituir' and synonyms like 'reemplazar' or 'relevar'. You can use the word in the conditional and future tenses to talk about hypothetical changes: 'Si tuviéramos más presupuesto, sustituiríamos todas las máquinas'. Your usage is precise, and you rarely make mistakes with the 'y' spelling or the 'personal a'.

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At the C1 level, you use 'sustituir' with the nuance of a native speaker. You can discuss the philosophical implications of replacement—for example, whether AI can 'sustituir' human creativity. You use the verb in complex grammatical structures, including the imperfect subjunctive: 'Si la empresa sustituyera a su director, las cosas cambiarían'. You are aware of the formal registers where 'sustituir' is required over 'cambiar'. You also recognize and use related words like 'sustitución', 'sustituto', and 'sustitutivo' (as in 'sustitutivo del azúcar'). You can navigate legal or academic texts where 'sustituir' defines the relationship between different laws or theories with absolute precision.

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At the C2 level, 'sustituir' is just one of many tools in your vast vocabulary. You can distinguish between 'sustituir', 'suplantar', 'permutar', and 'subrogar' in legal or highly technical contexts. You use the word to express subtle shifts in meaning, perhaps using it ironically or metaphorically in literature or high-level debate. You have a complete command of all irregular forms, including rare literary tenses. You can analyze how the word 'sustituir' has evolved from its Latin root 'substituere' and how that history informs its current usage in various Spanish-speaking cultures. Your use of the word is indistinguishable from that of an educated native speaker, used effortlessly in any register.

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Entraîne-toi Exemples Notes et astuces

sustituir en 30 secondes

Sustituir means to replace or substitute one thing or person for another in a functional way.
It is a transitive verb that typically uses the preposition 'por' to indicate the replacement.
It features a spelling change where a 'y' is inserted in several present and subjunctive forms.
Commonly used in cooking, sports, technology, and professional environments to describe changes and swaps.

The Spanish verb sustituir is a fundamental pillar of the B1 vocabulary level, representing the action of putting one person or thing in the place of another. At its core, it is a transitive verb that requires an object—the thing being replaced—and usually specifies the replacement using the preposition por. Understanding sustituir involves more than just knowing a dictionary definition; it requires grasping the nuances of exchange, whether in physical, professional, or abstract contexts. In everyday life, this word appears when you are cooking and need to swap an ingredient, when a professional is covering for a colleague, or when a broken part in a machine is swapped for a new one. It carries a sense of functionality and intentionality. Unlike simply 'changing' (cambiar), which can be vague or represent a shift in state, sustituir implies a direct replacement where the new element takes over the role or position of the old one.

Transitive Usage: The most common way to use this verb is to indicate that object A is being removed and object B is taking its place. The structure is typically 'sustituir A por B'. For example, 'Sustituí la bombilla fundida por una nueva'.
Professional Context: In the workplace, it refers to temporary or permanent replacements. If a teacher is sick, a 'sustituto' (substitute) will 'sustituir' them during the class. It implies a continuation of duties.

Decidimos sustituir el viejo sofá por uno más moderno para mejorar la decoración del salón.

The word's versatility is evident in how it spans various domains. In sports, it is the technical term for making a substitution on the field. In chemistry, it describes the process where one atom or group is replaced by another in a molecule. In linguistics, it refers to the replacement of one sound or word for another. The richness of sustituir lies in its ability to maintain the same core meaning of 'filling a vacancy' regardless of the complexity of the subject matter. It is a word of transition and maintenance.

El entrenador tuvo que sustituir al delantero lesionado en el minuto ochenta del partido.

Es imposible sustituir el valor sentimental de ese regalo con dinero.

Abstract Replacement: It is often used to discuss ideas or emotions, such as replacing fear with courage or doubt with certainty. It suggests a complete displacement of the previous state.

La nueva ley pretende sustituir a la normativa anterior, que ya estaba obsoleta.

Finally, it is important to note the spelling changes that occur in its conjugation. Because it ends in -uir, it follows a specific pattern where a 'y' is inserted before endings starting with 'a', 'e', or 'o'. This makes it a slightly irregular verb that students must master to sound natural. For instance, 'yo sustituyo' or 'que ellos sustituyan'. This phonetic shift ensures the word remains easy to pronounce while maintaining its Latin roots. Whether you are talking about technology, relationships, or daily chores, sustituir is the precise tool for describing the act of making a change that involves a successor.

Using sustituir correctly requires attention to both its grammatical structure and its specific conjugation patterns. The most vital rule to remember is the relationship between the two objects involved in the replacement. The standard formula is: [Sujeto] + sustituir + [Objeto A (lo que se quita)] + por + [Objeto B (lo que se pone)]. This clarity is essential because reversing the order can completely change the meaning of your sentence. If you say you are going to replace the car with a bike, the car is what goes away. In Spanish: 'Voy a sustituir el coche por una bicicleta'.

The 'Y' Conjugation Rule: As an -uir verb, 'sustituir' undergoes a spelling change. Whenever the stress falls on the stem and the ending starts with an 'o', 'e', or 'a', you must insert a 'y'. This happens in the present indicative (sustituyo, sustituyes, sustituye, sustituyen) and throughout the present subjunctive (sustituya, sustituyas, etc.).
Direct Object Pronouns: When the object being replaced is already known, we use direct object pronouns (lo, la, los, las). Example: '¿Dónde está el filtro viejo? - Ya lo sustituí por uno nuevo'. Here, 'lo' refers to the filter.

Si no tienes mantequilla, puedes sustituirla por aceite de coco en esta receta.

In formal writing, sustituir is often preferred over the more common 'cambiar' because it is more precise. While 'cambiar' can mean to alter the appearance of something, sustituir specifically means the original is gone and something else is in its place. This precision is why you will see it in legal documents, technical manuals, and academic essays. For example, a contract might state that one clause 'sustituye' another, meaning the old clause is no longer valid and the new one takes its place entirely.

El sistema automático sustituyó al trabajo manual en la fábrica hace tres años.

Espero que estas nuevas medidas sustituyan el caos actual por un poco de orden.

The Passive Voice: In news reports, you might hear 'fue sustituido por'. This passive construction is common when the focus is on the person or thing that was replaced. 'El ministro fue sustituido por su asesor'.

No podemos sustituir la experiencia acumulada por simple teoría académica.

Finally, consider the imperative mood. In recipes or assembly instructions, you will often see the command form: 'Sustituya las piezas desgastadas' or 'Sustituye el azúcar'. Using the correct form of sustituir allows you to give clear, professional directions. By mastering the 'y' changes and the 'por' preposition, you transition from basic Spanish to a more sophisticated, B1-level command of the language, allowing for clearer communication in complex situations.

The word sustituir is ubiquitous in Spanish-speaking societies, appearing in contexts ranging from the highly technical to the mundane. One of the most common places you will hear it is in the world of sports. During a football (soccer) match, the commentator will frequently announce substitutions: 'El entrenador decide sustituir a Messi para darle un descanso'. Here, the word is part of the standard lexicon of the game. It is also found in every kitchen. Cooking shows and recipe blogs are filled with advice on how to sustituir ingredients to make a dish healthier or to accommodate allergies. 'Puedes sustituir la leche de vaca por leche de almendras' is a sentence you might hear daily in a modern Spanish café.

En el taller, me dijeron que era necesario sustituir los frenos del coche inmediatamente.

News and Politics: News broadcasts frequently use 'sustituir' when reporting on changes in government cabinets or corporate leadership. It sounds official and precise, indicating a formal transition of power or responsibility.
Technology and Software: In the tech world, 'sustituir' describes upgrading hardware or replacing old code. A notification might say: 'Esta versión sustituye a la anterior y corrige varios errores'.

In educational settings, the word is used for 'substitute teachers'. A student might tell their parents, 'Hoy tuvimos un profesor sustituto porque el titular está enfermo; él vino a sustituirlo solo por hoy'. This distinction between the 'titular' (the permanent person) and the 'sustituto' is a key part of school life. Furthermore, in the medical field, doctors talk about 'sustituir' medications. If a patient has a bad reaction to a drug, the doctor will sustituir it with a different one. This use emphasizes the functional equivalence of the new item.

¿Crees que la inteligencia artificial podrá sustituir por completo a los traductores humanos?

La empresa anunció que va a sustituir todos los envases de plástico por cartón reciclable.

Finally, sustituir appears in the arts and entertainment. When an actor cannot perform, an understudy must sustituir them. In literature, one might discuss how a new protagonist sustituye the old one's role in the narrative arc. It is a word that describes the constant flux of life—how things break, how roles change, and how we adapt by finding new solutions to old problems. Hearing sustituir is a sign that a change is not just happening, but is being managed with a specific replacement in mind.

Learning sustituir comes with several pitfalls that can trip up even intermediate students. The most frequent error involves the 'y' spelling change. Many learners forget to insert the 'y' in the present tense, saying *'sustituo'* instead of the correct sustituyo. This mistake is understandable because regular -ir verbs don't do this, but for verbs ending in -uir (except for those in -guir like 'seguir'), the 'y' is mandatory to keep the pronunciation clear and avoid a clashing hiatus of vowels.

Preposition Confusion: English speakers often try to use 'con' (with) because of the English 'replace with'. However, 'sustituir A con B' sounds unnatural in most contexts. The correct preposition is almost always 'por'. Example: 'Sustituye la sal por especias', not *'con especias'*.
Confusion with 'Reemplazar': While 'reemplazar' and 'sustituir' are often synonyms, 'reemplazar' is sometimes used more for people in permanent roles, while 'sustituir' can feel more functional or temporary. However, the biggest mistake is over-relying on 'cambiar'. 'Cambiar' is too broad; using 'sustituir' shows a higher level of Spanish proficiency.

Incorrecto: Yo sustituo el aceite. Correcto: Yo sustituyo el aceite.

Another common mistake is the omission of the 'personal a' when the object is a human being. In Spanish, if you replace a person, you must say 'Sustituir a alguien'. Forgetting this 'a' is a very common error for English speakers. For example, 'Voy a sustituir a mi jefe' is correct, whereas *'Voy a sustituir mi jefe'* would imply your boss is an object or that the sentence is grammatically incomplete.

Incorrecto: Debes sustituir el profesor. Correcto: Debes sustituir al profesor.

Incorrecto: Sustituí el café con té. Correcto: Sustituí el café por té.

Finally, students sometimes struggle with the accent marks in the past tense. 'Sustituyó' (he/she replaced) needs the accent on the 'ó', while 'sustituyo' (I replace) does not. Confusing these two can change the entire timeline of your story. Additionally, in the 'nosotros' form, there is no 'y' (sustituimos), which can be confusing since the other forms have it. Consistency in these small details is what separates a B1 learner from an A2 learner.

While sustituir is a powerful and precise verb, Spanish offers several alternatives depending on the specific context of the replacement. The most direct synonym is reemplazar. In many cases, they are interchangeable, but reemplazar often carries a connotation of permanence or 'filling a space' that was left vacant. For example, if a piece of machinery is broken and you put in a new one, both work, but sustituir emphasizes the act of swapping, while reemplazar emphasizes that the new piece is now the permanent fixture.

Sustituir vs. Reemplazar: 'Sustituir' is often used for temporary covers or functional swaps (like ingredients). 'Reemplazar' is more common for permanent changes, like a new employee taking over a retired one's position.
Relevar: This verb is specifically used when one person takes over the shift or duties of another. It is very common in military or police contexts. 'El guardia fue relevado a las ocho'.

Es hora de reemplazar los neumáticos del coche; están muy gastados.

Another interesting alternative is suplantar. However, be careful! Suplantar usually has a negative or illegal connotation, similar to 'identity theft' or 'usurping'. If someone takes your place by trickery, they 'te suplantan'. You would never use this for a simple ingredient swap in a kitchen. On the other hand, permutar is a more technical or formal term used for 'exchanging' or 'swapping' two things of equal value, often used in real estate or job transfers between civil servants.

El impostor intentó suplantar la identidad del millonario para robar su fortuna.

Los dos funcionarios decidieron permutar sus plazas para estar más cerca de sus familias.

In the context of technology or parts, you might also hear renovar (to renew) if the replacement is an upgrade. If you are simply putting a fresh version of the same thing, renovar works well. However, if the new thing is different in kind, sustituir remains the most accurate choice. Understanding these subtle differences allows you to choose the exact word that fits the 'vibe' of your conversation, making your Spanish sound more sophisticated and natural.

How Formal Is It?

Le savais-tu ?

The 'stitu' part comes from 'statuere' (to set or place), which is also the root of 'statue' and 'status'. So, when you substitute, you are literally 'setting something under' another.

Guide de prononciation

UK /sus.ti.twir/

US /sus.ti.twir/

The stress is on the final syllable: sus-ti-tu-IR.

Rime avec

construir destruir fluir incluir excluir concluir instruir influir

Erreurs fréquentes

Stressing the second to last syllable (*sus-ti-TU-ir).
Failing to pronounce the 'u' and 'i' as a diphthong.
Pronouncing the 's' like a 'z' sound.
Not tapping the final 'r' correctly.
Missing the 'y' sound in conjugated forms like 'sustituyo'.

Niveau de difficulté

Lecture 3/5

Easy to recognize due to English cognate 'substitute'.

Écriture 6/5

Tricky due to the 'y' spelling changes in many tenses.

Expression orale 5/5

Requires practice to get the stress and the 'y' forms right.

Écoute 4/5

Clear pronunciation, but can be confused with other -uir verbs.

Quoi apprendre ensuite

Prérequis

cambiar poner lugar nuevo viejo

Apprends ensuite

reemplazar suplir relevar permutar subrogar

Avancé

conmutar transmutar vicario sucesor

Grammaire à connaître

Verbs ending in -uir (except -guir) insert a 'y' before 'a', 'e', 'o'.

Sustituir -> Sustituyo, Sustituya.

Personal 'a' is required when the direct object is a specific person.

Sustituir a Juan.

The preposition 'por' is used for the thing being exchanged.

Sustituir el pan por galletas.

Preterite 3rd person singular and plural change 'i' to 'y'.

Sustituyó, sustituyeron.

Direct object pronouns can be attached to infinitives and gerunds.

Voy a sustituirlo.

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Exemples par niveau

Yo sustituyo el azúcar por miel.

I replace the sugar with honey.

Present tense 'yo' form with 'y'.

Puedes sustituir el rojo por el azul.

You can replace the red with the blue.

Infinitive after 'puedes'.

Voy a sustituir mi silla vieja.

I am going to replace my old chair.

Future with 'ir a'.

Ella sustituye el agua por jugo.

She replaces the water with juice.

Present tense third person.

Nosotros sustituimos los libros.

We replace the books.

No 'y' in the 'nosotros' form.

¿Quieres sustituir este juguete?

Do you want to replace this toy?

Question with infinitive.

Él sustituye la lámpara hoy.

He replaces the lamp today.

Present tense.

Ellos sustituyen el coche.

They replace the car.

Present tense third person plural with 'y'.

El mecánico va a sustituir la batería.

The mechanic is going to replace the battery.

Common use in technical repairs.

Mañana voy a sustituir a mi compañero en el trabajo.

Tomorrow I am going to fill in for my colleague at work.

Use of 'personal a' for a person.

Sustituí la leche por yogur en la receta.

I replaced the milk with yogurt in the recipe.

Preterite first person singular.

El entrenador sustituyó al jugador cansado.

The coach replaced the tired player.

Preterite third person with 'y' (sustituyó).

¿Podemos sustituir estas ventanas?

Can we replace these windows?

Plural object.

Ellos sustituyeron el televisor roto ayer.

They replaced the broken TV yesterday.

Preterite third person plural.

Tienes que sustituir la bombilla de la cocina.

You have to replace the lightbulb in the kitchen.

Obligation with 'tener que'.

Ella sustituye su café por té verde cada mañana.

She replaces her coffee with green tea every morning.

Habitual action in present tense.

Es necesario sustituir las piezas desgastadas de la máquina.

It is necessary to replace the worn-out parts of the machine.

Impersonal expression with infinitive.

Dudo que ellos sustituyan al director este año.

I doubt they will replace the director this year.

Present subjunctive with 'y'.

Si no hay mantequilla, sustitúyela por margarina.

If there is no butter, replace it with margarine.

Imperative with attached pronoun.

El gobierno quiere sustituir el carbón por energías renovables.

The government wants to replace coal with renewable energy.

Political/environmental context.

Habíamos sustituido todos los cables antes de la inspección.

We had replaced all the cables before the inspection.

Past perfect (pluscuamperfecto).

No es fácil sustituir a una persona con tanto talento.

It's not easy to replace a person with so much talent.

Abstract usage with 'personal a'.

El nuevo software sustituye a la versión anterior automáticamente.

The new software replaces the previous version automatically.

Technological context.

Me gustaría sustituir mi viejo móvil por el último modelo.

I would like to replace my old mobile with the latest model.

Conditional mood.

El plástico está siendo sustituido por materiales biodegradables.

Plastic is being replaced by biodegradable materials.

Passive voice with gerund.

Fue sustituido en el cargo tras el escándalo financiero.

He was replaced in his position following the financial scandal.

Passive voice preterite.

Sustituyamos los prejuicios por tolerancia y respeto.

Let's replace prejudices with tolerance and respect.

Hortatory subjunctive (let's...).

El autor decidió sustituir el final original por uno más trágico.

The author decided to replace the original ending with a more tragic one.

Literary context.

La robótica ha sustituido muchas tareas manuales en la industria.

Robotics has replaced many manual tasks in industry.

Present perfect.

No creo que nada pueda sustituir el calor de un hogar.

I don't think anything can replace the warmth of a home.

Subjunctive after 'no creo que'.

Para mejorar la salud, conviene sustituir las grasas saturadas.

To improve health, it's advisable to replace saturated fats.

Formal advice.

Sustituyó sus miedos por una determinación inquebrantable.

He replaced his fears with an unbreakable determination.

Metaphorical usage.

La nueva ley de educación sustituirá a la normativa vigente desde 1990.

The new education law will replace the regulations in force since 1990.

Future tense in a formal/legal context.

Resulta imperativo sustituir el modelo económico actual por uno sostenible.

It is imperative to replace the current economic model with a sustainable one.

Formal academic/political register.

Si sustituyéramos el odio por empatía, el mundo sería distinto.

If we were to replace hatred with empathy, the world would be different.

Hypothetical 'if' clause with imperfect subjunctive.

La empresa busca sustituir sus procesos analógicos por soluciones digitales.

The company seeks to replace its analog processes with digital solutions.

Business strategy context.

El actor principal tuvo que ser sustituido a última hora por enfermedad.

The lead actor had to be replaced at the last minute due to illness.

Passive infinitive construction.

Nada podrá sustituir jamás la pérdida de un ser querido.

Nothing will ever be able to replace the loss of a loved one.

Emotional/philosophical depth.

Es un error pretender sustituir la calidad por la cantidad.

It is a mistake to try to replace quality with quantity.

Abstract conceptual comparison.

La inteligencia artificial no sustituye al juicio humano, lo complementa.

Artificial intelligence does not replace human judgment; it complements it.

Nuanced technological discussion.

La dialéctica de la historia a menudo sustituye unas élites por otras.

The dialectic of history often replaces one set of elites with another.

High-level historical/sociological discourse.

El neologismo acabó por sustituir al término arcaico en el habla cotidiana.

The neologism eventually replaced the archaic term in everyday speech.

Linguistic analysis context.

Sería ingenuo pensar que un algoritmo puede sustituir la intuición clínica.

It would be naive to think that an algorithm can replace clinical intuition.

Advanced professional debate.

La modernidad ha sustituido el rito por el consumo desenfrenado.

Modernity has replaced ritual with unrestrained consumption.

Philosophical/cultural critique.

El decreto ley sustituye íntegramente los artículos 4 y 5 del código civil.

The decree-law entirely replaces articles 4 and 5 of the civil code.

Precise legal terminology.

Aquel aroma sustituyó de golpe su tristeza por una nostalgia dulce.

That scent suddenly replaced his sadness with a sweet nostalgia.

Evocative literary usage.

Es imposible sustituir la vivencia directa por la mera descripción teórica.

It is impossible to replace direct experience with mere theoretical description.

Epistemological discussion.

La vacante dejada por el catedrático fue difícil de sustituir con éxito.

The vacancy left by the professor was difficult to fill successfully.

Complex noun-phrase structure.

Collocations courantes

sustituir por completo

sustituir paulatinamente

sustituir una pieza

sustituir a un jugador

difícil de sustituir

sustituir la pena

sustituir importaciones

sustituir un ingrediente

sustituir el cargo

sustituir la bombilla

Phrases Courantes

sustituir a alguien

— To take over someone's position or duties.

Mañana sustituiré a Ana en la oficina.

sustituir algo por algo

— The standard way to describe swapping objects.

Sustituye el coche por una moto.

ser sustituido por

— Passive form used when the focus is on the object being replaced.

El viejo puente será sustituido por uno moderno.

sustituto natural

— Someone who is the obvious choice to take over a role.

Él es el sustituto natural del director.

pieza de sustitución

— A spare part used for replacement.

Necesitamos una pieza de sustitución para el aire acondicionado.

cláusula de sustitución

— A legal term for a part of a contract that allows for changes.

La cláusula de sustitución permite cambiar el proveedor.

poder de sustitución

— The legal authority to appoint someone else to act on one's behalf.

El abogado tiene poder de sustitución.

sustituir la falta de

— To compensate for a lack of something.

Su valor sustituye la falta de armas.

sustituir por error

— To replace something by mistake.

Sustituyeron el archivo por error.

sustituir de forma temporal

— To cover a role for a short period.

Ella va a sustituir de forma temporal al gerente.

Souvent confondu avec

sustituir vs reemplazar

Very similar, but 'reemplazar' is more often used for permanent replacements.

sustituir vs cambiar

Much broader; 'cambiar' can mean to change clothes or change your mind, while 'sustituir' is specifically about replacement.

sustituir vs suplir

Focuses on filling a lack or deficiency rather than just swapping one for another.

Expressions idiomatiques

"no tener sustituto"

— To be unique or irreplaceable.

Ese jugador no tiene sustituto en el equipo.

neutral

"sustituir el hambre por las ganas de comer"

— A humorous way to say one problem was swapped for an identical or worse one.

Sustituyó su viejo coche por uno que gasta más; sustituyó el hambre por las ganas de comer.

informal

"hacer la sustitución"

— To perform the act of replacing (often used in sports).

El técnico va a hacer la sustitución ahora mismo.

neutral

"sustituir el oro por el oropel"

— To replace something valuable with something flashy but worthless.

En esa reforma, sustituyeron el oro por el oropel.

literary

"sustituir el seso por el peso"

— To value money over intelligence.

En esta empresa han sustituido el seso por el peso.

informal

"ser un mal sustituto"

— To be a poor replacement for something better.

Este café instantáneo es un mal sustituto del real.

neutral

"sustituir por decreto"

— To change something by force or authority without consensus.

Sustituyeron el logo por decreto de la directiva.

formal

"sustituir la realidad por la ficción"

— To live in a fantasy world.

A veces parece que sustituye la realidad por la ficción.

neutral

"sustituir el silencio por ruido"

— To talk just to talk, without saying anything meaningful.

En la reunión, solo sustituyeron el silencio por ruido.

informal

"sustituir la calidad por la prisa"

— To rush a job and lose quality.

No debemos sustituir la calidad por la prisa.

neutral

Facile à confondre

sustituir vs suplantar

Both involve taking a place.

Suplantar implies fraud, deceit, or taking someone's identity. Sustituir is a neutral act of replacement.

El ladrón suplantó al dueño. El becario sustituyó al empleado.

sustituir vs relevar

Both involve taking over for someone.

Relevar is specifically about shifts or duties (e.g., guards, nurses). Sustituir is more general.

Vengo a relevarte en el turno de noche.

sustituir vs permutar

Both involve an exchange.

Permutar is a reciprocal exchange of two things of similar value. Sustituir is one-way replacement.

Permutaron sus puestos de trabajo.

sustituir vs suceder

Both involve following someone.

Suceder implies following in a sequence or inheritance. Sustituir implies actively taking the place.

El príncipe sucedió al rey.

sustituir vs restituir

Similar spelling and root.

Restituir means to return something to its original owner or state. Sustituir means to put something else in its place.

Debes restituir el dinero robado.

Structures de phrases

Yo sustituyo [cosa] por [cosa].

Yo sustituyo el té por café.

Voy a sustituir a [persona].

Voy a sustituir a mi madre en la tienda.

Es mejor sustituir [objeto] antes de que se rompa.

Es mejor sustituir los frenos antes de que se rompan.

No puedo sustituir [concepto] con nada.

No puedo sustituir tu amistad con nada.

[Objeto] fue sustituido por [Objeto].

El edificio fue sustituido por un parque.

Dudo que [sujeto] sustituya a [objeto].

Dudo que el libro digital sustituya al papel.

Resulta necesario sustituir [sistema] por [alternativa].

Resulta necesario sustituir el carbón por energía solar.

La [idea] ha venido a sustituir a la [idea anterior].

La posmodernidad ha venido a sustituir a la fe en el progreso.

Famille de mots

Noms

sustitución (substitution)

sustituto (substitute/replacement person)

sustituta (female substitute)

sustituibilidad (substitutability)

Verbes

sustituir (to replace)

Adjectifs

sustituible (replaceable)

insustituible (irreplaceable)

sustitutivo (substitutive/alternative)

Apparenté

instituir

restituir

destituir

estatuto

institución

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Comment l'utiliser

frequency

Common in both spoken and written Spanish.

Erreurs courantes

Yo sustituo el pan. → Yo sustituyo el pan.
You must insert the 'y' in the present tense for -uir verbs.
Sustituí el café con té. → Sustituí el café por té.
The correct preposition is 'por', not 'con'.
Voy a sustituir mi jefe. → Voy a sustituir a mi jefe.
You need the 'personal a' when the object is a person.
Ellos sustituieron el motor. → Ellos sustituyeron el motor.
In the preterite 3rd person plural, the 'i' changes to 'y'.
Sustituyo el final ayer. → Sustituyó el final ayer.
Confusing 'sustituyo' (present) with 'sustituyó' (past) because of the accent.

Astuces

The 'Y' Rule

Always insert a 'y' when the ending of 'sustituir' starts with a, e, or o. This happens in the present tense and subjunctive.

Use 'Por'

Avoid using 'con'. Spanish speakers replace A *por* B. It's a key marker of a B1 learner.

Cooking Swaps

Use 'sustituir' when talking about recipes. It sounds much more professional than 'cambiar'.

Work Context

Use 'sustituir a alguien' when you are covering someone's shift. Don't forget the 'a'!

Stress the End

In the infinitive 'sustituir', the stress is at the very end. Don't say 'sus-ti-TU-ir'.

Preterite Accents

Remember the accent in 'sustituyó' (he/she replaced) to distinguish it from 'sustituyo' (I replace).

Sustituir vs Reemplazar

Use 'sustituir' for functional, temporary, or ingredient-based swaps. Use 'reemplazar' for permanent changes.

Legal Use

In contracts, 'sustituir' is used to show one clause replaces another. It's very precise.

The 'Y' is Yellow

Think of the 'y' in 'sustituyo' as a yellow card in soccer—it's used during a substitution!

No 'Y' in Nosotros

Remember: 'nosotros sustituimos' and 'vosotros sustituís' do NOT have the 'y'.

Mémorise-le

Moyen mnémotechnique

Think of a 'Substitute' teacher. In Spanish, they 'Sustituir' the regular teacher. The 'y' in 'sustituyo' is like the 'y' in 'replacement player' (player Y).

Association visuelle

Imagine a conveyor belt where a broken gear is being lifted out and a shiny new gear (labeled with a 'y') is being dropped in.

Word Web

Cambio Pieza Suplente Reemplazo Alternativa Puesto Vacante Renovación

Défi

Try to use 'sustituir' in three different contexts today: once for food, once for a person, and once for a physical object.

Origine du mot

From the Latin verb 'substituere'.

Sens originel : To put in place of, to set under.

It is part of the Indo-European family, specifically the Italic branch which led to Romance languages.

Contexte culturel

No specific sensitivities, though 'suplantar' should be avoided unless you mean to imply fraud.

English speakers often use 'replace' for everything. Spanish speakers use 'sustituir' when they want to sound precise or professional.

The concept of 'El sustituto' (The Substitute) is a common trope in Spanish cinema. Economic textbooks often cite 'Sustitución de Importaciones'. Sports headlines: 'Sustitución de lujo' when a star player comes off the bench.

Pratique dans la vie réelle

Contextes réels

Cooking

Sustituir la sal
Sustituir por aceite
Sustituir ingredientes
Sustituir el azúcar

Sports

Sustituir al delantero
Pedir la sustitución
Sustituir por lesión
Sustituir al capitán

Work

Sustituir una baja
Sustituto temporal
Sustituir en el puesto
Sustituir al jefe

Maintenance

Sustituir la pieza
Sustituir la batería
Sustituir el filtro
Sustituir el cable

Abstract

Sustituir el miedo
Sustituir la idea
Sustituir el hábito
Sustituir el valor

Amorces de conversation

"¿Qué ingrediente sueles sustituir cuando cocinas algo saludable?"

"¿Crees que los robots podrán sustituir a los humanos en el futuro?"

"¿Alguna vez tuviste que sustituir a un compañero en el trabajo de repente?"

"¿Qué objeto de tu casa te gustaría sustituir por uno más moderno?"

"¿Qué hábito malo quieres sustituir por uno bueno este año?"

Sujets d'écriture

Describe una vez que tuviste que sustituir a alguien en una situación difícil. ¿Cómo te sentiste?

Escribe sobre una tecnología que haya sustituido a otra en tu vida diaria y cómo cambió tu rutina.

Si pudieras sustituir una ley de tu país, ¿cuál sería y por qué?

Reflexiona sobre la idea de que nadie es insustituible. ¿Estás de acuerdo o en desacuerdo?

Haz una lista de tres cosas que quieres sustituir en tu habitación para sentirte mejor.

Questions fréquentes

10 questions

No, it is an irregular verb because it ends in -uir. It inserts a 'y' in many forms like 'sustituyo' and 'sustituyan' to avoid vowel clashes. This is a common pattern for verbs like 'construir' or 'incluir'.

Generally, no. While 'sustituir con' might be understood, 'sustituir por' is the standard and correct preposition in Spanish. For example, 'Sustituyo el café por té' is the natural way to say it.

You must use the personal 'a' whenever the object you are replacing is a specific person or a pet. For example: 'Tengo que sustituir a mi profesor'. If you are replacing an object, you don't use it: 'Tengo que sustituir el libro'.

They are often synonyms. However, 'reemplazar' is more common for permanent changes (like a new job hire), whereas 'sustituir' is often used for functional swaps (like ingredients or temporary covers).

You can say 'profesor sustituto' or 'profesora sustituta'. You can also use 'suplente' (profesor suplente).

Yes, in the third person singular preterite: 'él sustituyó'. Note the accent on the 'ó'. The first person present 'yo sustituyo' does NOT have an accent.

Yes, 'sustituible' (replaceable) and 'insustituible' (irreplaceable) are very common. For example: 'Nadie es insustituible' (Nobody is irreplaceable).

It is rarely used reflexively (sustituirse) unless talking about things replacing themselves in a theoretical or scientific context, but it's not common in daily speech.

The noun form is 'sustitución'. For example: 'La sustitución del jugador fue un acierto'.

Absolutely. It is the official term for a substitution in sports like football or basketball. 'Hacer una sustitución' means to make a sub.

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