This document discusses the uses and conjugations of the Spanish verb "ser" (to be). It provides examples of when "ser" means "to be" in terms of identity and when it means "estar" (to be located). It also covers contractions, negative forms, and questions using the verb "ser" and gives short affirmative and negative answers.

2. The meaning of the verb to be is:
“ser” o “estar”

4. Examples: (when it means “ser”)
I am a woman.
You are a man.
He is a boy.
She is a girl.
It is a cat.
We are a family.
They are students.

5. When it means “estar”
I am in my house.
You are in Aguascalientes.
He is in the school.
She is in the restaurant.
It is in the garden.
We are in the classroom.
They are in the soccer field.

6. Contractions with the verb to be
I am I’m
You are You’re
He is He’s
She is She’s
It is It’s
We are We’re
They are They’re

7. Negative with the verb to be
I am not I’m not
You are not You aren’t
He is not He isn’t
She is not She isn’t
It is not It isn’t
We are not We aren’t
They are not They aren’t

8. Questions with the verb to be
be + subject Short answers
Affirmative negative
Are you an engineer? Yes, I am. No, I’m not.
Is he a teacher? Yes, he is. No, he isn’t.
Is she a secretary? Yes, she is. No, she isn’t.
Is it your dog? Yes, it is. No, it isn’t.
Are we friends? Yes, we are. No we aren’t.
Are they students? Yes, they are No, they
aren’t.

9. Ing. Isabel Fernández Beltrán
Centro de Educación Media
Universidad Autonoma de Aguascalientes