1. Introduction to ser
Ser = to be

2. Los bÁsicos
A conjugation is the way a verb is changed from its infinitive form according to the subject
An infinitive is the original form of a verb
por ejemplo: ser = to be (has no subject, so it is in the original form)

3. Los bÁsicos Ser is an irregular verb
Its conjugations do not follow a pattern like most other verbs
You will need to memorize the forms in the chart and their meanings

4. The conjugations of ser
(Yo) _______
I am
(Nosotros/as) _______
We are
(Tú) _________
You are (informal)
(Vosotros/as) ______
Y’all are
(Él/Ella) ______
He/She is
Usted ______
You are (formal)
(Ellos/Ellas) _____
They are
Ustedes _______
You all are

5. The conjugations of ser
(Yo) soy
I am
(Nosotros/as) somos
We are
(Tú) eres
You are (informal)
(Vosotros/as) soís
Y’all are
(Él/Ella) es
He/She is
Usted es
You are (formal)
(Ellos/Ellas) son
They are
Ustedes son
You all are

6. Uses of ser Ser is used to identify people and things
¿QuiÉn es Él? (Who is he?)
Es Felipe dÍaz aguilar. (He is Felipe dÍaz aguilar.)
¿QuÉ es? (What is it?)
Es un mapa de espaÑa. (It’s a map of spain.)

7. Uses of ser Ser also expresses possession with the preposition de
In Spanish, there is no way to say Marissa’s
Spanish uses [Noun] + de + [owner]  el mapa de Pablo (Pablo’s map)

8. Uses of ser
When de is followed by the article el, the two combine to form the contraction del.
De does not contract with la, las, or los.

9. Uses of ser
Ser also uses the preposition de to express origin

10. Uses of ser
Use ser to express profession or occupation

11. Uses of ser
Unlike English, Spanish does not use the indefinite article (un, una) after ser when referring to professions, unless accompanied by an adjective (description).