The structure "¿De quién es?" is a fundamental Spanish grammatical construction used to ask about possession, translating directly to "Whose is it?" or "Whom does it belong to?" In the context of "Estructura 1" practice exercises, it focuses on the intersection of interrogative pronouns and the verb ser. Grammatical Breakdown
Answer: nuestro (perro = masculine singular) p219 estructura 1 de quien es practice it top
Ejemplo:
El libro 📘 → (Carlos) → El libro es de Carlos. The structure "¿De quién es
Answer: ¿De quién son estos lápices? Son de los estudiantes. ¿De quién es el libro
"Su" vs. "Sus": These adjectives match the thing being owned, not the owner.
Pro-Tip: If the owner is "him" or "her" and you aren't using a name, remember that su/sus is used before the noun, but when answering "¿De quién es?", we usually stick to the "Es de [Nombre]" format to be specific. Common Pitfalls in Top Notch P219
Example: "Es de la hermana de María" (It is Maria's sister's).