ser
to be
In the tables below, the stem is shown in black and the ending in purple.
1.Presente
Presente
Habitual actions, general truths, and what's happening now.
| yo | soy |
| tú | eres |
| él/ella | es |
| nosotros | somos |
| vosotros | sois |
| ellos/ellas | son |
Yo soy estudiante.
I am a student.
Ella es doctora.
She is a doctor.
2.Pretérito Indefinido
Pretérito Indefinido
Completed actions at a specific point in the past.
| yo | fui |
| tú | fuiste |
| él/ella | fue |
| nosotros | fuimos |
| vosotros | fuisteis |
| ellos/ellas | fueron |
Ayer fui a la playa.
Yesterday I was at the beach.
Ellos fueron amigos en la infancia.
They were friends in childhood.
3.Imperfecto
Imperfecto
Ongoing or repeated actions in the past, descriptions, and background context.
| yo | era |
| tú | eras |
| él/ella | era |
| nosotros | éramos |
| vosotros | erais |
| ellos/ellas | eran |
Cuando era niño, me gustaba jugar afuera.
When I was a child, I liked to play outside.
Ella era muy amable.
She was very kind.
4.Futuro Simple
Futuro Simple
Future actions, predictions, and speculation about the present.
| yo | seré |
| tú | serás |
| él/ella | será |
| nosotros | seremos |
| vosotros | seréis |
| ellos/ellas | serán |
Mañana seré feliz.
Tomorrow I will be happy.
Ellos serán los ganadores.
They will be the winners.
5.Condicional
Condicional
Hypothetical situations, polite requests, and future-in-the-past.
| yo | sería |
| tú | serías |
| él/ella | sería |
| nosotros | seríamos |
| vosotros | seríais |
| ellos/ellas | serían |
Si tuviera tiempo, sería perfecto.
If I had time, it would be perfect.
Ella sería una gran artista.
She would be a great artist.
6.Subjuntivo Presente
Subjuntivo Presente
Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.
| yo | sea |
| tú | seas |
| él/ella | sea |
| nosotros | seamos |
| vosotros | seáis |
| ellos/ellas | sean |
Espero que tú seas feliz.
I hope that you are happy.
Es importante que él sea puntual.
It's important that he is punctual.
7.Subjuntivo Imperfecto
Subjuntivo Imperfecto
Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.
| yo | fuera |
| tú | fueras |
| él/ella | fuera |
| nosotros | fuéramos |
| vosotros | fuierais |
| ellos/ellas | fueran |
Si yo fuera rico, viajaría por el mundo.
If I were rich, I would travel the world.
Ojalá que ella fuera más comprensiva.
I wish she were more understanding.
"ser" in other languages
Related verbs
Common questions
- Is "ser" regular or irregular in Spanish?
- "ser" is an irregular Spanish verb. It does not follow the standard -er conjugation pattern and must be memorized.
- How do you conjugate "ser" in the present tense?
- In the Presente, "ser" conjugates as: eres, soy, son, and more. See the full table above.
- What is the past tense of "ser" in Spanish?
- In the Pretérito Indefinido, "ser" conjugates as: fuiste, fui, fueron, and more. See the full table above.
- How common is "ser" in Spanish?
- "ser" (to be) is one of the most commonly used verbs in Spanish.