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B1 pronoun #1,500 most common 14 min read

cuáles

Top 1,500

Practice it Examples Notes & Tips cuáles in 30 Seconds

Explanation cuáles in your Level:

At the A1 level, learners are just beginning to navigate the Spanish language. The concept of 'cuáles' is introduced as a basic vocabulary word meaning 'which ones'. At this stage, the focus is entirely on memorization and recognizing the word in simple, everyday questions. A1 learners are taught that when they see a group of objects—like apples, books, or shoes—and someone wants them to pick more than one, the word 'cuáles' will be used. They learn the fundamental phrase '¿Cuáles son...?' (Which ones are...?). For example, a teacher might point to several colored pencils and ask, '¿Cuáles son rojos?' (Which ones are red?). The learner's primary goal is to understand that 'cuáles' is a question word, that it always has an accent mark over the 'a', and that it is the plural form of 'cuál'. They do not need to worry about complex grammatical rules or indirect questions yet. The emphasis is on practical, immediate communication. A1 learners should practice responding to 'cuáles' questions by pointing or naming the items. They should also practice asking simple questions like '¿Cuáles te gustan?' (Which ones do you like?) when offering choices to a friend. The key takeaway for A1 is simply associating the sound and spelling of 'cuáles' with the act of choosing multiple items from a visible group. This foundational understanding paves the way for more complex usage in later stages of learning.

As learners progress to the A2 level, their understanding of 'cuáles' deepens significantly. They move beyond simple memorization and begin to grasp the grammatical mechanics of the word. At this stage, learners are explicitly taught the rule of number agreement: 'cuáles' must be used with plural verbs and plural nouns. They learn to contrast 'cuál es' (which is) with 'cuáles son' (which are). A2 learners start constructing their own sentences using 'cuáles' in various contexts, such as shopping, ordering food, or discussing preferences. They learn to use it with different verbs, not just 'ser'. For instance, '¿Cuáles prefieres?' (Which ones do you prefer?) or '¿Cuáles vas a comprar?' (Which ones are you going to buy?). A critical concept introduced at the A2 level is the distinction between 'qué' and 'cuáles'. Learners are taught that 'qué' is used for asking 'what' in a general sense, while 'cuáles' is used when there is a specific set of options to choose from. This is a major hurdle for English speakers, and A2 is where this distinction is heavily practiced. Furthermore, A2 learners are introduced to the structure 'cuáles de' (which of), allowing them to be more specific: '¿Cuáles de estos libros son tuyos?' (Which of these books are yours?). By the end of A2, learners should feel comfortable using 'cuáles' in everyday, routine conversations to ask for and provide specific information about plural items.

The B1 level marks a transition to independent language use, and the mastery of 'cuáles' reflects this. At B1, learners are expected to use 'cuáles' fluidly and accurately in both direct and indirect questions. They learn that 'cuáles' retains its accent mark even when it is not framed by question marks, as in 'No sé cuáles elegir' (I don't know which ones to choose) or 'Dime cuáles son tus planes' (Tell me what your plans are). This requires a solid understanding of sentence structure and the concept of embedded questions. B1 learners also expand their use of prepositions with 'cuáles'. They learn to place prepositions before the interrogative pronoun, forming questions like '¿Con cuáles amigos saliste?' (Wait, remember the rule: '¿Con cuáles de tus amigos saliste?' is better, or simply '¿Con cuáles saliste?'). They practice structures like '¿A cuáles...?', '¿De cuáles...?', and '¿Por cuáles...?'. At this level, the distinction between 'qué' and 'cuáles' should be mostly internalized, and learners should naturally default to 'cuáles' when asking for identification from a set, such as '¿Cuáles son las ventajas?' (What are the advantages?) instead of the incorrect '¿Qué son las ventajas?'. B1 learners engage in more complex discussions where 'cuáles' is used to analyze options, debate choices, and clarify details in both personal and professional contexts. The focus is on accuracy, natural phrasing, and understanding the subtle nuances of selection that 'cuáles' implies.

At the B2 level, learners are expected to have a high degree of fluency and accuracy, and their use of 'cuáles' should reflect native-like intuition. The grammatical rules are fully internalized, and the focus shifts to using 'cuáles' in more abstract, complex, and formal contexts. B2 learners use 'cuáles' effortlessly in hypothetical scenarios, using conditional and subjunctive moods. For example, 'Si tuvieras que elegir, ¿cuáles escogerías?' (If you had to choose, which ones would you pick?) or 'Me pregunto cuáles habrían sido los resultados' (I wonder what the results would have been). They are adept at using 'cuáles' in professional and academic discourse to outline points, identify factors, or question methodologies. For instance, 'Es crucial determinar cuáles son los factores de riesgo' (It is crucial to determine what the risk factors are). At this level, learners also master the subtle differences in register. They know when to use the formal 'cuáles de ustedes' versus the informal 'cuáles de vosotros' (in Spain). They are highly aware of the common mistakes made by lower-level learners, such as using 'qué' instead of 'cuáles' with the verb 'ser', and they avoid these errors consistently. B2 learners can also easily distinguish between the interrogative 'cuáles' and the relative pronoun 'cuales' (los cuales, las cuales) in written texts, understanding how the accent mark completely changes the function of the word in complex sentence structures.

At the C1 level, the use of 'cuáles' is entirely automatic and sophisticated. Learners at this advanced stage use the word not just for basic inquiries, but as a rhetorical device and a tool for precise articulation in complex debates and academic writing. They employ 'cuáles' in nuanced indirect questions that require deep syntactic understanding. For example, 'Aún queda por esclarecer cuáles de las medidas propuestas tendrán un impacto real en la economía' (It remains to be clarified which of the proposed measures will have a real impact on the economy). C1 learners are comfortable using 'cuáles' with a wide variety of verbs and prepositions in highly formal registers. They understand the subtle stylistic choices between using 'qué' + noun versus 'cuáles de' + noun, and they make these choices deliberately to control the flow and tone of their speech or writing. At this level, learners can also play with the language, using 'cuáles' in idiomatic or colloquial ways that mimic native speakers, while maintaining strict grammatical accuracy. They can easily navigate complex texts where 'cuáles' and 'cuales' (relative pronoun) are used in close proximity, parsing the meaning without hesitation. The focus at C1 is on elegance, precision, and the ability to use 'cuáles' to structure complex arguments, clarify ambiguous points, and engage in high-level intellectual discourse without any grammatical friction.

At the C2 level, mastery of 'cuáles' is indistinguishable from that of an educated native speaker. The learner possesses a complete, intuitive command of the word in all its forms, functions, and contexts. They use 'cuáles' effortlessly in the most demanding linguistic situations, such as literary analysis, legal drafting, or philosophical debate. At this pinnacle of language proficiency, the learner understands the historical and etymological nuances of the word, recognizing how its usage has evolved and how it functions within the broader architecture of the Spanish language. They can use 'cuáles' in highly stylized or poetic constructs, and they are acutely aware of regional variations in its usage, even if standard grammar dictates otherwise. For instance, they might recognize when a speaker from a specific region colloquially attaches a noun directly to 'cuáles' (e.g., 'cuáles libros'), understanding it as a dialectal variation rather than a mere error, while still strictly adhering to standard rules in their own formal production. C2 learners use 'cuáles' to navigate extreme syntactic complexity, effortlessly managing multiple embedded clauses and subtle shifts in mood and tense. Their use of the word is characterized by absolute precision, rhetorical power, and a deep, underlying comprehension of how 'cuáles' serves to categorize, identify, and select within the vast conceptual space of the Spanish language.

Practice it Examples Notes & Tips

cuáles in 30 Seconds

Plural form of 'cuál', meaning 'which ones'.
Always carries an accent mark on the 'a'.
Used to select multiple items from a group.
Must be followed by a plural verb (like 'son').

The Spanish word 'cuáles' is the plural form of the interrogative pronoun and adjective 'cuál'. In English, it directly translates to 'which ones' or simply 'which' when referring to a plural noun. Understanding 'cuáles' is fundamental for Spanish learners at the B1 level, as it allows for more precise and nuanced questioning when faced with multiple options or a specific group of items. Unlike English, where 'which' remains invariable regardless of whether it refers to a singular or plural subject, Spanish requires number agreement. Therefore, when you are asking about more than one item, person, or concept from a defined set, you must use 'cuáles'. The presence of the accent mark (la tilde diacrítica) is crucial; it distinguishes the interrogative or exclamatory 'cuáles' from the relative pronoun 'cuales' (without an accent), which is used to connect clauses. This distinction is a common stumbling block but is essential for written accuracy.

Grammatical Function: Interrogative pronoun used to ask for the identity of specific items within a plural set.

De todos estos libros, ¿cuáles son los tuyos?

When you use 'cuáles', you are inherently signaling to the listener that there is a limited pool of possibilities. For instance, if you are looking at a tray of pastries, you would ask '¿Cuáles quieres?' (Which ones do you want?). The listener understands that they must select from the pastries present. This is different from asking '¿Qué quieres?' (What do you want?), which is entirely open-ended. The word is deeply tied to the concept of selection and identification. Furthermore, 'cuáles' can function both in direct questions (with question marks) and indirect questions (embedded within a statement).

Direct vs Indirect: Direct: ¿Cuáles son tus metas? Indirect: No sé cuáles son tus metas.

Me pregunto cuáles serán las consecuencias de esta decisión tan importante.

The etymology of 'cuáles' traces back to the Latin 'qualis', which asked about the nature or quality of a thing. Over centuries of linguistic evolution through Old Spanish, it shifted to primarily ask for identification from a set. This historical context helps explain why 'cuál' and 'cuáles' are often used with the verb 'ser' (to be) to identify things. When learning this word, it is highly beneficial to practice it in tandem with plural nouns and the third-person plural conjugations of verbs, especially 'son' (are).

Plural Agreement: Because 'cuáles' is plural, the verb that follows it must also be in the plural form.

¿Cuáles de estos zapatos te gustan más para la fiesta de esta noche?

Quiero saber cuáles son los requisitos para aplicar a esta universidad.

¿Cuáles fueron tus razones para cancelar el viaje a Madrid?

In summary, mastering 'cuáles' involves understanding its plural nature, its requirement for an accent mark in interrogative contexts, and its specific semantic role of selecting from a defined group. It is a word that instantly elevates a learner's Spanish from basic, open-ended inquiries to precise, context-aware communication.

Using 'cuáles' correctly requires attention to syntax, verb agreement, and the context of the conversation. The most common structure involves placing 'cuáles' at the beginning of an interrogative sentence, immediately followed by the verb 'ser' in its plural form (usually 'son' for present tense, 'fueron' for preterite, or 'eran' for imperfect). For example, '¿Cuáles son tus películas favoritas?' (Which are your favorite movies?). In this structure, 'cuáles' acts as the subject complement, asking for the specific identities that make up the plural subject ('tus películas favoritas'). It is vital to remember that 'cuáles' cannot be followed directly by a noun in standard modern Spanish. You cannot say '¿Cuáles libros quieres?'; instead, you must say '¿Qué libros quieres?' or '¿Cuáles de los libros quieres?'.

Syntax Rule 1: Do not place a noun immediately after 'cuáles'. Use 'qué' + noun, or 'cuáles de' + noun.

¿Cuáles de tus amigos van a venir a la cena de esta noche?

Another frequent use case is when 'cuáles' stands alone as a pronoun replacing a previously mentioned plural noun. If someone says, 'Tengo muchas camisas nuevas' (I have many new shirts), you can simply respond, '¿Cuáles?' (Which ones?). Here, 'cuáles' absorbs the meaning of 'camisas' and asks for selection. This makes conversations flow more naturally and avoids unnecessary repetition. When using 'cuáles' in indirect questions, the syntax remains similar, but the sentence does not use question marks. For instance, 'Dime cuáles prefieres' (Tell me which ones you prefer). Notice that 'prefieres' is singular because the subject 'you' is singular, but 'cuáles' remains plural because it refers to the plural items being preferred.

Verb Agreement: The verb following 'cuáles' agrees with the subject of the sentence, which might be the items themselves (son) or the person choosing (quieres).

No estamos seguros de cuáles serán los próximos pasos en este proyecto.

It is also important to note the use of prepositions with 'cuáles'. Just like in English, prepositions go before the interrogative word. If you want to ask 'To which ones?', you say '¿A cuáles?'. 'With which ones?' becomes '¿Con cuáles?'. 'For which ones?' is '¿Para cuáles?'. This prepositional placement is a strict rule in Spanish grammar. For example, '¿A cuáles de los estudiantes les diste el examen?' (To which of the students did you give the exam?).

Preposition Placement: Prepositions must always precede 'cuáles' in a question. Never leave a preposition dangling at the end of a sentence.

¿Con cuáles herramientas construiste este mueble tan hermoso?

¿De cuáles problemas me estás hablando exactamente?

¿Por cuáles calles debemos caminar para llegar al centro histórico?

Mastering these structural rules—avoiding direct noun attachment, ensuring verb agreement, and correctly placing prepositions—will make your use of 'cuáles' sound natural and native-like.

The word 'cuáles' is ubiquitous in everyday Spanish conversation, appearing in a wide variety of contexts ranging from casual shopping to formal academic discussions. Because it is the primary tool for asking someone to make a selection from a plural group, you will hear it constantly in retail environments. Imagine walking into a shoe store; the salesperson shows you several pairs and asks, '¿Cuáles le gustan más?' (Which ones do you like best?). In a restaurant, if you order tacos and there are several salsa options, the waiter might ask, '¿Cuáles salsas prefiere?' (Wait, remember the rule: colloquially, some native speakers might say 'cuáles salsas', but strictly speaking, 'qué salsas' is grammatically correct. However, '¿Cuáles de las salsas prefiere?' is perfectly standard). You will frequently hear 'cuáles' standing alone when the context is visually obvious.

Retail Contexts: Used heavily by salespeople and customers to identify specific products from a display or catalog.

Aquí están los vestidos de la nueva temporada. ¿Cuáles te quieres probar?

In educational or professional settings, 'cuáles' is used to identify specific points, rules, or members of a group. A teacher might ask the class, '¿Cuáles son las capitales de estos países?' (Which are the capitals of these countries?). A manager in a meeting might inquire, '¿Cuáles fueron los resultados del último trimestre?' (What were the results of the last quarter?). Notice how in English we often use 'what' in these scenarios ('What are the capitals?', 'What were the results?'), but in Spanish, because we are identifying specific items from a larger potential set (all cities, all possible results), 'cuáles' is the correct and natural choice. This conceptual difference is a key area where learners must adjust their thinking.

Professional Settings: Used to request specific data points, identify team members for tasks, or clarify multiple objectives.

Necesitamos definir cuáles serán nuestras prioridades para el próximo año fiscal.

You will also encounter 'cuáles' frequently in media, such as interviews, game shows, and news reports. An interviewer might ask a celebrity, '¿Cuáles han sido tus mayores desafíos?' (What have been your greatest challenges?). In a game show, the host might ask, '¿Cuáles de estas opciones es la correcta?' (Wait, 'opciones' is plural, so 'cuáles de estas opciones son las correctas' or 'cuál de estas opciones es la correcta'). The word is deeply embedded in the fabric of the language whenever clarification, selection, or identification of multiple items is required.

Media and Interviews: Journalists use it to extract specific lists of events, reasons, or opinions from their subjects.

El periodista preguntó cuáles eran los motivos detrás de la huelga de trabajadores.

En el programa de anoche, discutieron cuáles son las mejores películas del año.

¿Cuáles de los candidatos presidenciales tienen mejores propuestas económicas?

By paying attention to these contexts, learners can develop a strong intuition for when to deploy 'cuáles' instead of falling back on direct English translations.

The most prevalent mistake English speakers make with 'cuáles' is confusing it with 'qué' (what). Because English uses 'what' for both open-ended questions ('What is your name?') and questions identifying from a set ('What are your favorite colors?'), learners often directly translate the latter as '¿Qué son tus colores favoritos?'. This sounds highly unnatural in Spanish. The correct phrasing is '¿Cuáles son tus colores favoritos?'. The rule of thumb is: if you are asking to identify specific items from a larger, implied group (like all possible colors), use 'cuáles' + ser.

Qué vs Cuáles: Use 'qué' to ask for a definition or classification. Use 'cuáles' to ask for a selection or identification from a group.

Incorrecto: ¿Qué son tus libros favoritos? Correcto: ¿Cuáles son tus libros favoritos?

Another frequent error is a lack of number agreement. Learners might use the singular 'cuál' when referring to multiple items. For example, asking '¿Cuál son tus zapatos?' instead of '¿Cuáles son tus zapatos?'. Since 'zapatos' is plural and the verb 'son' is plural, the interrogative pronoun must also be plural. This mistake usually stems from the fact that English 'which' does not change for plural nouns.

Number Agreement Error: Failing to add the '-es' to 'cuál' when the subject or the verb indicates a plural quantity.

Asegúrate de preguntar ¿cuáles son?, no ¿cuál son? cuando hables de varios objetos.

A third common mistake is placing a noun directly after 'cuáles'. While 'qué' can be followed directly by a noun (e.g., '¿Qué libros lees?'), 'cuáles' traditionally cannot in standard Spanish grammar. Saying '¿Cuáles libros lees?' is considered grammatically incorrect by traditional standards, though it is sometimes heard in colloquial speech in certain regions. The standard, correct way to express this is either '¿Qué libros lees?' or '¿Cuáles de los libros lees?'.

Direct Noun Attachment: Avoid placing a noun immediately after 'cuáles'. Insert 'de los/las' or switch to 'qué'.

En lugar de decir 'cuáles coches', debes decir ¿cuáles de los coches prefieres?

Es un error común escribir 'cuáles días' en vez de ¿cuáles de los días estás disponible?

Recuerda la regla: no uses sustantivos pegados a cuáles en el español formal.

Finally, forgetting the written accent mark (tilde) in indirect questions is a frequent spelling error. Even if there are no question marks, if the word implies a question or selection, it must be written as 'cuáles', not 'cuales'.

Understanding 'cuáles' is much easier when you compare it to its linguistic neighbors. The most direct comparison is with its singular form, 'cuál'. 'Cuál' means 'which one' and is used when selecting a single item from a group (e.g., '¿Cuál es tu coche?'). 'Cuáles' simply scales this concept to multiple items. Another closely related word is 'qué' (what/which). As discussed in the common mistakes section, 'qué' is used for definitions, classifications, or when directly modifying a noun ('¿Qué libro?'). 'Cuáles' is strictly for selection and identification from a known plural set.

Cuál vs Cuáles: Singular selection vs Plural selection. 'Cuál' takes singular verbs; 'cuáles' takes plural verbs.

Si solo puedes elegir uno, pregunta ¿cuál?; si puedes elegir varios, pregunta ¿cuáles?

We must also compare 'cuáles' to 'quiénes' (who, plural). While 'cuáles' asks 'which ones' (referring to things or people when selecting from a group), 'quiénes' specifically asks 'who' (referring only to people, without necessarily implying a predefined group). For example, '¿Quiénes son ellos?' (Who are they?) vs '¿Cuáles de ellos son tus hermanos?' (Which of them are your brothers?). In the second sentence, 'cuáles' is used because you are selecting from a specific group ('ellos').

Quiénes vs Cuáles: 'Quiénes' is exclusively for people (open identity). 'Cuáles' is for people or things (selecting from a set).

Para saber la identidad de un grupo de personas, usa quiénes; para seleccionar de un grupo, usa cuáles.

Lastly, it is crucial to distinguish the interrogative 'cuáles' (with an accent) from the relative pronoun 'cuales' (without an accent). 'Cuales' is used in formal writing to connect clauses, often preceded by an article (los cuales, las cuales), meaning 'which' or 'who' in a non-question context. For example, 'Los libros, los cuales leí ayer, son excelentes' (The books, which I read yesterday, are excellent). The pronunciation is identical, but the grammatical function and written form are distinct.

Cuáles vs Cuales: Accent marks matter. 'Cuáles' asks a question. 'Cuales' connects sentences.

La tilde en cuáles es la única diferencia visual con el pronombre relativo cuales.

Aprender a diferenciar cuáles de 'qué' y 'quiénes' mejorará tu fluidez enormemente.

Siempre verifica el contexto para saber si necesitas usar cuáles o alguna de sus palabras similares.

How Formal Is It?

Difficulty Rating

Grammar to Know

Interrogative Pronouns

Number Agreement (Concordancia de número)

Diacritic Accents (Tilde diacrítica)

Direct vs. Indirect Questions

Preposition Placement in Questions

Examples by Level

¿Cuáles son tus zapatos?

Which ones are your shoes?

Basic use of 'cuáles' with the plural verb 'son'.

¿Cuáles te gustan?

Which ones do you like?

Using 'cuáles' as a direct object pronoun.

Tengo dos coches. ¿Cuáles quieres ver?

I have two cars. Which ones do you want to see?

Referring back to a previously mentioned plural noun.

¿Cuáles son los colores de la bandera?

Which are the colors of the flag?

Asking for specific items from a known set (colors).

De estos libros, ¿cuáles son para niños?

Of these books, which ones are for children?

Using 'de estos' to specify the group.

¿Cuáles son tus favoritos?

Which ones are your favorites?

Using 'cuáles' with an adjective acting as a noun.

No sé cuáles son.

I don't know which ones they are.

A very simple indirect question.

¿Cuáles son las reglas?

What are the rules?

Translates to 'what' in English, but uses 'cuáles' because it asks for specific items.

¿Cuáles de tus amigos van a la fiesta?

Which of your friends are going to the party?

Using the structure 'cuáles de' + noun.

¿Cuáles fueron tus materias favoritas en la escuela?

Which were your favorite subjects in school?

Using 'cuáles' with the preterite tense of 'ser'.

Dime cuáles prefieres comprar.

Tell me which ones you prefer to buy.

Indirect question with an imperative verb.

¿Con cuáles herramientas trabajas mejor?

With which tools do you work best? (Colloquial)

Preposition 'con' placed before 'cuáles'.

¿Cuáles son las diferencias entre estos dos teléfonos?

What are the differences between these two phones?

Asking to identify specific points of comparison.

Necesito saber cuáles son los precios.

I need to know what the prices are.

Indirect question requiring the accent mark.

¿Para cuáles de los proyectos necesitas ayuda?

For which of the projects do you need help?

Preposition 'para' used with 'cuáles de'.

Hay muchas opciones, no sé cuáles elegir.

There are many options, I don't know which ones to choose.

'Cuáles' followed directly by an infinitive verb.

Me pregunto cuáles serán las consecuencias de esta decisión.

I wonder what the consequences of this decision will be.

Indirect question using the future tense.

¿A cuáles de los candidatos vas a votar?

Which of the candidates are you going to vote for?

Preposition 'a' required by the verb 'votar' (when referring to people).

El profesor explicó cuáles eran los errores más comunes en el examen.

The teacher explained what the most common mistakes on the exam were.

Reported speech/indirect question in the past tense.

De todas las películas que has visto, ¿cuáles recomendarías?

Of all the movies you have seen, which ones would you recommend?

Using 'cuáles' with the conditional tense.

Es importante definir cuáles son nuestros objetivos a corto plazo.

It is important to define what our short-term objectives are.

Formal context, using 'cuáles' to identify specific items.

¿Por cuáles calles debemos ir para evitar el tráfico?

Through which streets should we go to avoid traffic?

Preposition 'por' indicating movement through.

No me importa cuáles elijas, siempre y cuando sean baratos.

I don't care which ones you choose, as long as they are cheap.

Using 'cuáles' with the subjunctive mood (elijas).

Quiero saber cuáles de estas plantas necesitan más luz solar.

I want to know which of these plants need more sunlight.

Complex sentence structure with 'cuáles de'.

Si tuvieras que descartar dos opciones, ¿cuáles serían?

If you had to discard two options, which ones would they be?

Hypothetical scenario using imperfect subjunctive and conditional.

Aún no se ha determinado cuáles fueron las causas exactas del incendio.

It has not yet been determined what the exact causes of the fire were.

Passive voice construction with an indirect question.

El comité evaluará cuáles de las propuestas cumplen con los requisitos.

The committee will evaluate which of the proposals meet the requirements.

Formal professional context.

¿En cuáles de estos estudios te basas para hacer tal afirmación?

On which of these studies do you base such a statement?

Preposition 'en' used with 'basarse'.

Ignoro cuáles puedan ser sus verdaderas intenciones.

I am unaware of what his true intentions might be.

Using 'cuáles' with the present subjunctive for uncertainty.

Debemos analizar cuáles han sido los factores determinantes en este éxito.

We must analyze what the determining factors in this success have been.

Using the present perfect tense in an indirect question.

¿Bajo cuáles circunstancias estarías dispuesto a renunciar?

Under what circumstances would you be willing to resign?

Preposition 'bajo' used formally.

Explicó detalladamente cuáles pasos seguir en caso de emergencia.

He explained in detail which steps to follow in case of an emergency.

'Cuáles' followed by a noun (colloquial/informal accepted in some regions, though 'qué pasos' is strictly better; here used to show real-world variation).

Queda por dilucidar cuáles de las políticas implementadas generaron el déficit.

It remains to be elucidated which of the implemented policies generated the deficit.

Highly formal vocabulary ('dilucidar') with a complex indirect question.

Independientemente de cuáles sean tus razones, el resultado es inaceptable.

Regardless of what your reasons may be, the result is unacceptable.

Subjunctive used after 'independientemente de'.

El autor cuestiona cuáles son los límites éticos de la inteligencia artificial.

The author questions what the ethical limits of artificial intelligence are.

Academic discourse.

Se debatió acaloradamente sobre cuáles deberían ser las prioridades del gobierno.

There was a heated debate over what the government's priorities should be.

Impersonal 'se' construction with a prepositional indirect question.

Desconozco hasta cuáles extremos estaría dispuesto a llegar para conseguirlo.

I do not know to what extremes he would be willing to go to achieve it.

Preposition 'hasta' indicating limit or extent.

La investigación revela cuáles han venido siendo las tendencias del mercado.

The research reveals what the market trends have been continuing to be.

Complex verbal periphrasis ('han venido siendo').

¿Contra cuáles de las acusaciones planea defenderse primero?

Against which of the accusations do you plan to defend yourself first?

Preposition 'contra' in a legal context.

Es imperativo discernir cuáles variables son dependientes y cuáles independientes.

It is imperative to discern which variables are dependent and which are independent.

Scientific/mathematical context, using 'cuáles' to categorize.

Constituye un enigma cuáles pudieran haber sido sus motivaciones ulteriores.

It constitutes an enigma what his ulterior motivations could have been.

Extremely formal, using imperfect subjunctive of 'poder' in a compound tense.

El tratado estipula claramente cuáles han de ser las obligaciones de cada estado miembro.

The treaty clearly stipulates what the obligations of each member state are to be.

Periphrasis 'haber de' indicating obligation in a formal register.

Averiguar mediante cuáles artilugios logró escapar es tarea de la fiscalía.

Finding out by means of which contraptions he managed to escape is the task of the prosecution.

Preposition 'mediante' in a highly elevated syntactic structure.

Sea cuales fueren las circunstancias, mantendremos nuestra postura.

Whatever the circumstances may be, we will maintain our position.

Fixed expression 'sea cuales fueren' (note: 'cuales' here is technically relative/indefinite, but closely tied to the interrogative concept; a C2 learner understands this nuance).

El filósofo indaga sobre cuáles son los cimientos ontológicos de la realidad.

The philosopher inquires about what the ontological foundations of reality are.

Deeply academic and philosophical vocabulary.

Resulta ocioso especular acerca de cuáles habrían sido las repercusiones de no haber intervenido.

It is pointless to speculate about what the repercussions would have been had we not intervened.

Complex conditional perfect in an indirect question governed by 'acerca de'.

La sentencia detalla a cuáles de los herederos corresponde cada porción del patrimonio.

The ruling details to which of the heirs each portion of the estate corresponds.

Legal terminology and precise prepositional use.

Es menester dilucidar de cuáles premisas parte el autor para llegar a tal silogismo.

It is necessary to elucidate from which premises the author starts to arrive at such a syllogism.

Highly formal vocabulary ('menester', 'silogismo') framing the indirect question.

Synonyms

qué (in some contexts) quiénes (when referring to people) cuáles de qué tipo de qué clase de cuántos (when asking for number, related concept) los cuales (relative, not interrogative) las cuales (relative, not interrogative)

Antonyms

ninguno todos cuál (singular) nadie

Common Collocations

cuáles son

cuáles fueron

cuáles de

saber cuáles

decidir cuáles

elegir cuáles

determinar cuáles

a cuáles

con cuáles

por cuáles

Common Phrases

¿Cuáles son?

No sé cuáles.

Dime cuáles.

¿Cuáles prefieres?

¿Cuáles eliges?

¿De cuáles hablas?

¿A cuáles te refieres?

A ver cuáles.

Depende de cuáles.

¿Cuáles otros?

Often Confused With

cuáles vs qué

cuáles vs cuál

cuáles vs quiénes

Idioms & Expressions

"sea cuales sean (whatever they may be)"

"cuales más, cuales menos (some more, some less)"

"tal para cual (two of a kind - uses singular but related)"

"a ver cuáles son los resultados (let's see what the results are)"

"no saber ni cuáles (to not even know which ones)"

"quién sabe cuáles (who knows which ones)"

"elegir cuáles sí y cuáles no (to pick and choose)"

"mostrar cuáles son las cartas (to show one's hand/intentions)"

"definir cuáles son los límites (to draw the line)"

"preguntar cuáles y cuántos (to ask for specifics)"

Easily Confused

cuáles vs

Sentence Patterns

How to Use It

note

While 'cuáles' translates to 'which ones', it is frequently used where English would use 'what' if the answer is expected to be a list of specific items from a broader category (e.g., 'What are the rules?' -> '¿Cuáles son las reglas?').

Common Mistakes

Using 'qué' instead of 'cuáles' when asking for identification from a set (e.g., saying '¿Qué son tus zapatos?' instead of '¿Cuáles son tus zapatos?').
Forgetting to make 'cuál' plural when referring to multiple items (e.g., saying '¿Cuál son tus llaves?' instead of '¿Cuáles son tus llaves?').
Placing a noun directly after 'cuáles' in formal writing (e.g., writing '¿Cuáles libros?' instead of '¿Cuáles de los libros?').
Omitting the accent mark in indirect questions (e.g., writing 'No sé cuales son' instead of 'No sé cuáles son').
Using 'cuáles' when asking for a definition (e.g., saying '¿Cuáles son los agujeros negros?' instead of '¿Qué son los agujeros negros?').

Tips

The 'Ser' Rule

When asking 'What is/are...' followed by a noun, almost always use 'cuál/cuáles' + ser, not 'qué' + ser. Example: ¿Cuáles son tus motivos? (What are your motives?).

Always Accentuate Questions

Whether there are question marks or not, if the sentence implies 'which ones', put an accent on the 'a': cuáles. This is a strict spelling rule in Spanish.

Avoid Noun Attachment

Train yourself to never say 'cuáles' + noun. Say 'cuáles de los' + noun. It will make your Spanish sound much more educated and grammatically correct.

Listen for the 'S'

English speakers often fail to hear the difference between 'cuál' and 'cuáles' because 'which' doesn't change. Focus on listening for that final 's' sound in fast speech.

Use it as a Standalone

If someone offers you a box of chocolates, just point and say '¿Cuáles?'. It's the most natural, native-sounding way to ask 'Which ones can I take?'.

Translate as 'Which Ones'

Whenever you are tempted to use 'qué', try translating your thought to 'which ones' in English. If 'which ones' works, you must use 'cuáles'.

Pair with Plural Verbs

Always practice 'cuáles' with plural verbs. Say 'cuáles son', 'cuáles están', 'cuáles fueron' out loud to build muscle memory for the agreement.

Quiénes vs Cuáles

Remember: 'quiénes' is only for people. 'Cuáles' can be for people OR things, but only when selecting from a specific group. ¿Cuáles de tus hermanos? is correct.

Indirect Questions

In essays, use 'cuáles' to introduce topics you will explain. 'En este ensayo, analizaré cuáles son las causas del problema.' It sounds very professional.

Market Spanish

In Latin American markets, you will hear 'cuáles' constantly. Practice using it to ask vendors about different fruits or vegetables to blend right in.

Memorize It

Mnemonic

Think of 'CUALES' as 'Choosing Upon A List, Exactly Selecting'. It's plural, so you are selecting multiple things.

Word Origin

Latin

Cultural Context

Standard/Neutral. It is appropriate in all settings, from casual street markets to high-level academic discourse.

In older Spanish texts, the spelling 'quales' was common before the Real Academia Española standardized the 'c' spelling.

In formal standard Spanish globally, 'cuáles' should not be followed directly by a noun. However, in colloquial Mexican and some Central American Spanish, you might hear '¿Cuáles libros?' instead of '¿Qué libros?'.

Practice in Real Life

Real-World Contexts

Conversation Starters

"De todas las ciudades que has visitado, ¿cuáles te han gustado más?"

"¿Cuáles son tus propósitos para este año nuevo?"

"Si pudieras tener tres superpoderes, ¿cuáles elegirías?"

"¿Cuáles crees que son los mayores problemas del mundo actual?"

"¿Cuáles son tus canciones favoritas para escuchar en el coche?"

Journal Prompts

Escribe una lista de tus libros favoritos y explica cuáles recomendarías a un amigo y por qué.

Reflexiona sobre tus errores del pasado. ¿Cuáles te enseñaron las lecciones más valiosas?

Imagina que vas a una isla desierta. ¿Cuáles tres objetos llevarías contigo?

Describe tus metas a largo plazo. ¿Cuáles son las más difíciles de alcanzar?

Piensa en las tradiciones de tu país. ¿Cuáles consideras más importantes preservar?

Frequently Asked Questions

10 questions

The accent mark on 'cuáles' is a 'tilde diacrítica'. It is used to distinguish the interrogative and exclamatory pronoun 'cuáles' (meaning 'which ones') from the relative pronoun 'cuales' (meaning 'which' or 'who' in a non-question context). Without the accent, the word connects clauses rather than asking a question. The accent also indicates the vocal stress when spoken.

In formal, standard Spanish, no. The interrogative 'cuáles' should not be used as an adjective directly modifying a noun. You should say '¿Qué libros?' or '¿Cuáles de los libros?'. However, in some colloquial regional dialects (like in Mexico), '¿Cuáles libros?' is commonly heard in everyday speech. For exams and formal writing, stick to the standard rule.

'Qué' asks for a definition, classification, or identification from an infinite set (e.g., '¿Qué es esto?' - What is this?). 'Cuáles' asks for a selection or identification from a specific, limited, or implied plural set (e.g., '¿Cuáles son tus llaves?' - Which ones are your keys?). If you can substitute 'which ones' in English, use 'cuáles'.

You can use 'cuáles' for both people and things, provided you are asking for a selection from a group. For example, '¿Cuáles de tus amigos vienen?' (Which of your friends are coming?). If you are asking an open question about identity, use 'quiénes' (e.g., '¿Quiénes son ellos?' - Who are they?).

Because you are asking the person to select specific colors from the known set of all existing colors. In Spanish, when asking to identify items from a category using the verb 'ser', 'cuál/cuáles' is the correct interrogative. '¿Qué son tus colores favoritos?' would technically mean 'What is the definition of your favorite colors?', which makes no sense.

Yes, 'cuáles' is frequently used in the middle of sentences to form indirect questions. For example, 'No sé cuáles comprar' (I don't know which ones to buy) or 'Dime cuáles son tus planes' (Tell me what your plans are). It always keeps its accent mark in these cases.

Almost any preposition can precede 'cuáles' depending on the verb that follows. Common examples include 'a cuáles' (to which ones), 'de cuáles' (of/from which ones), 'con cuáles' (with which ones), 'por cuáles' (for/through which ones), and 'en cuáles' (in/on which ones). The preposition always goes before the interrogative word.

'Cuáles' is invariable in gender. It is used exactly the same way for masculine nouns (¿Cuáles son los coches?) and feminine nouns (¿Cuáles son las casas?). It only changes for number (cuál vs. cuáles).

Look at the noun you are referring to or the verb you are using. If you are asking about one item, use 'cuál' (¿Cuál es tu coche?). If you are asking about multiple items, use 'cuáles' (¿Cuáles son tus zapatos?). The verb 'ser' will usually be a dead giveaway: 'es' goes with 'cuál', 'son' goes with 'cuáles'.

It is a common idiomatic expression meaning 'whatever they may be' or 'regardless of which ones they are'. For example, 'Debes seguir las reglas, sea cuales sean' (You must follow the rules, whatever they may be). Note that in this specific fixed expression, the accent is often dropped as it acts more like a relative pronoun, though usage can vary.