Using ser (not estar) to describe relationships

When we want to talk about relationships, such as family ties, friendship or romantic relationships, we use the verb ser (not estar).

For example:

María es mi madre.María is my mother.

Él es mi hermano.He is my brother.

Ustedes son sus padres.You are his/her/their parents.

In the examples above, we use ser to talk about family ties.

Laura es su amiga.Laura is his friend.

Ramón y Marcos son mis amigos.Ramón and Marcos are my friends.

Nosotras somos las amigas de Carlota.We are Carlota's friends.

As you can see above, we use ser to talk about friendships.

Marta es mi novia.Marta is my girlfriend.

Daniel es tu marido.Daniel is your husband.

In the examples above, we use ser to talk about romantic relationships.

See also:

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Examples and resources

Laura es su amiga.Laura is his friend.
María es mi madre.María is my mother.
Daniel es tu marido.Daniel is your husband.
Marta es mi novia.Marta is my girlfriend.
Nosotras somos las amigas de Carlota.We are Carlota's friends.
Ramón y Marcos son mis amigos.Ramón and Marcos are my friends.
Ustedes son sus padres.You are his/her/their parents.
Él es mi hermano.He is my brother.
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