Final answer:
The sentence "Los archivos son tuyo." is grammatically incorrect. In Spanish, the possessive pronoun should agree in gender and number with the noun it refers to.
Step-by-step explanation:
The given sentence "Los archivos son tuyo." is grammatically incorrect.
In Spanish, the possessive pronoun "tuyo" should agree in gender and number with the noun it refers to. Since "archivos" is masculine and plural, the correct form of the possessive pronoun is "tuyos". Therefore, the correct sentence would be "Los archivos son tuyos."
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