Es del profesor. (It is the professor's.) [de + el = del]
A common mistake learners make is using the possessive adjective with de . For instance, you would never say "el libro de mi" (the book of my). It's either el libro de + [persona] (the book of the person) or mi libro (my book). p2-19 estructura 1 -de quien es -practice it -
Do not contract de with ellos (them) or ella (her). Only contract de with the specific article el . Practice Exercises: Test Your Knowledge Es del profesor
Based on typical "Practice It!" modules for this section, here are common question-and-answer patterns: Question (Pregunta) Correct Response (Respuesta) Grammar Note ¿De quién es este lápiz? (Marcos) Use "es de" for singular items. ¿De quién son estas mochilas? (las chicas) las chicas. Use "son de" for plural items. ¿De quién es esta maleta? (yo) Adjectives/pronouns must match gender/number. ¿De quién son los libros? (nosotros) Plural masculine agreement. Quick Reference Table: Possessives It's either el libro de + [persona] (the
(Whose phones are they?)