After identifying whose it is, the practice asks you to replace the "de" phrase with a possessive adjective. The forms of "his/her/their/your (formal)" are: Used if the item possessed is singular (e.g., - his/her/their house). Used if the items possessed are plural (e.g., sus parientes - his/her/their relatives). Match Number and Gender Ensure the verb (to be) matches the item being possessed, not the owner. for one thing (Es su casa). for multiple things (Son sus parientes). Final Answer Summary For "Estructura 1: ¿De quién es?", use to link the object to the owner and

Clarifying identity in travel situations (e.g., "Whose luggage is this?").

In English, we say: [Owner] + 's + [Object] In Spanish, you say: [The Object] + de + [The Owner] It is Miguel’s map. Spanish: Es el mapa de Miguel. 2. Asking "Whose is it?"

Sin embargo, cuando se utiliza con un sustantivo ya mencionado o claro en el contexto, se puede omitir:

In Spanish, ownership is expressed using the formula: .

The exercise "P2-19 Estructura 1: ¿De quién es? (Practice it!)"