su
determiner
Meaning: his/her
Su perro es muy juguetón.
His/Her dog is very playful.
Meaning: your (formal)
¿Cómo está usted? ¿Puedo ayudarle en algo?
How are you? Can I help you with something?
Meaning: their
Los estudiantes terminaron su proyecto.
The students finished their project.
Meaning: your (plural)
Gracias por su colaboración.
Thank you for your collaboration.
Meaning: its
La empresa aumentó su producción este año.
The company increased its production this year.
A1: Su casa es muy bonita.
Her house is very beautiful.
A1: Su perro es muy juguetón.
Their dog is very playful.
A1: Su libro está en la mesa.
His book is on the table.
B1: Le presté su bicicleta a Juan.
I lent Juan his bicycle.
B1: Ella se olvidó de llevar su pasaporte al aeropuerto.
She forgot to bring her passport to the airport.
B1: Los estudiantes están estudiando para sus exámenes finales.
The students are studying for their final exams.
C1: Ellos han perdido su oportunidad de ganar el campeonato.
They have lost their chance to win the championship.
C1: Mi jefe me ha dado su aprobación para el proyecto.
My boss has given me his approval for the project.
C1: La empresa ha aumentado su producción en un 20% este año.
The company has increased its production by 20% this year.
The Spanish determiner 'su' is a possessive adjective that means 'his', 'her', 'its', or 'their'. It is used to indicate ownership or possession.
In Spanish, the determiner 'su' agrees in gender and number with the noun it modifies. For example, 'su casa' means 'his/her/their house', while 'sus casas' means 'his/her/their houses'.
It is important to note that 'su' can also be used as a formal way of addressing someone, similar to the English word 'your'. For example, '¿Cómo está usted?' means 'How are you?' (formal).