1. “Ser” – to be

2. Infinitives vs. conjugated verbs
What is an infinitive?
What is a conjugated verb?
A verb that has yet to be conjugated
In English, this is when “to” is in front of the verb
To run, to dance, to eat, to buy
In Spanish, the verb will end in “ar”, “er”, or “ir”
Correr, bailar, comer, comprar
Verbs that have been changed to match the subject
In English, we may change the end of the word, or the entire thing
Ej: I run, he runs
In Spanish, we change the ends of the word to match the subject

3. Infinitive or conjugated verb?
Leer
Infinitive
Como
Conjugated
Beber
Comprar
Infinitive
Estudia
Conjugated

4. Person and number Singular Plural 1st person
Talking about yourself only
I = yo
2nd person
Talking to someone
Tú or usted = you (formal & familiar)
3rd person
Talking about someone
He or she = él or ella
1st person
Talking about yourself and other people
We = nosotros/nosotras
2nd person
Talking to many people
Ustedes = you all
3rd person
Talking about more than one person
They = ellos/ellas

5. Ser conjugations Person Pronoun Conjugated verb English Singular 1stYo
Soy
I am
2nd tú
Eres
You (familiar) are
3rd
Él, ella
usted Es
He/she is
You (formal) are
Plural
Nosotros, nosotras
Somos
We are
Ellos, ellas
Ustedes
Son
They are
You all are