Which vs Who

Cuándo usar cada una en inglés, con significado, registro y ejemplos.

Which

Top 1000 (muy común) A1

Who

Bloque de alta frecuencia A1 pronoun

	Which	Who
Pronunciación	🇬🇧 /["/wɪtʃ/"]/ 🇺🇸 /["/wɪtʃ/"]/	🇬🇧 /["/huː/"]/ 🇺🇸 /["/huː/"]/
Significado	used to ask about one or more items from a group	A word used to ask about a person.
Ejemplo	Which is better exercise—swimming or tennis?	Who is that woman?
Registro	Neutral	Neutral
Qué tan común	Top 1000 (muy común)	Bloque de alta frecuencia
Nivel CEFR	A1	A1
Categoría gramatical		pronoun
Colocaciones	which one, which books, which option	who is, who are, who knows
Antónimos	that, who, what	someone, somebody, anyone, anybody
Errores comunes	'Which' vs. 'what' confusion - 'which' is for limited choices., Omitting 'which' in questions – e.g., 'What book do you want?' instead of 'Which book?', Using 'which' with plural nouns without context – 'Which animals?' needs clarification.	Using 'who' for objects instead of 'whom'., 'Who' used incorrectly after prepositions like 'to'.
Notas de uso	Use 'which' when asking to specify one item from a defined set. Avoid using 'which' with totally open-ended questions where anything could apply.	Used to inquire about someone's identity; appropriate in both formal and informal settings. Avoid using it in contexts where specifics are required, like in legal or detailed reports.

Preguntas frecuentes: Which vs Who

¿Cuál es la diferencia entre Which y Who?

Which: used to ask about one or more items from a group Who: A word used to ask about a person.

¿Which y Who tienen el mismo nivel CEFR?

Which: A1, Who: A1 en la escala CEFR.

¿Puedes mostrar un ejemplo de cada una?

Which: Which is better exercise—swimming or tennis? Who: Who is that woman?

¿Puedo usar Which y Who indistintamente?

No siempre. Which y Who están relacionadas y a veces se solapan, pero difieren en registro, frecuencia y uso, así que cambiar una por otra puede alterar el significado o el tono. Revisa las diferencias de arriba antes de sustituir.