1. The irregular verb “ser”
The infinitive form (ser) means “to be”
As a general guideline, use this verb to talk about PERMANENT states or inherent qualities…
such as
A person’s characteristics/traits
jobs
Things that won’t change (like gender, family members)
I am a person. Yo soy una persona.
She is my mom. Ella es mi madre.
You are tall. Tú eres alto.

2. The forms of the verb “ser”
Yo soy = I am
Tú eres = You are
Él es = He is
Ella es = She is
Usted es = You are
Nosotros somos = We are
Ellos son = They are
Ellas son = They are
Ustedes son = You all are

3. ¡Practicamos! Let’s practice!
I am smart. Yo ______ inteligente.
She is pretty. Ella _____ bonita.
We are American. Nosotros ______americanos.
You are a doctor. Tú _____ doctor.
They are mean Ellos______ antipáticos.
They are lazy. Ellas _____ perezosas.
He is not my friend. No _____ mi amigo.
soy es
somos
eres
son