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Ser (to be) - Verb conjugation and exercises

Conjugation of ser (to be) for all verb tenses with example phrases and exercises.

Ser (to be) - Verb conjugation and exercises

Learning materials that implement this verb:

Level: A1

Module 1: Presentarse (To introduce oneself)

Lesson 1: Saludos y despedidas (Greetings and Farewells)

Basic verb forms

Infinitivo (Infinitive) Gerundio (Gerund) Participio (Participle)
Ser (to be) Siendo (Being) Sido (been)

Ser (to be): Verb conjugation tables

Indicativo (Indicative) Subjuntivo (Subjunctive)

Presente 

Spanish English
(yo) soy I am
(tú) eres You are
(él/ella) es he is/she is
(nosotros/nosotras) somos we are
(vosotros/vosotras) sois You are
(ellos/ellas) son they are

Pretérito perfecto 

Spanish English
(yo) he sido I have been
(tú) has sido You have been
(él/ella) ha sido he/she has been
(nosotros/nosotras) hemos sido we have been
(vosotros/vosotras) habéis sido You have been
(ellos/ellas) han sido they have been

Subjuntivo presente 

Spanish English
(yo) sea I be
(tú) seas you be
(él/ella) sea he/she to be
(nosotros/nosotras) seamos we are
(vosotros/vosotras) seáis you are
(ellos/ellas) sean they be

Subjuntivo pretérito perfecto 

Spanish English
(yo) haya sido I have been
(tú) hayas sido you have been
(él/ella) haya sido he/she has been
(nosotros/nosotras) hayamos sido we have been
(vosotros/vosotras) hayáis sido You have been
(ellos/ellas) hayan sido they have been

Pretérito imperfecto 

Spanish English
(yo) era I was
(tú) eras You were
(él/ella) era he was/she was
(nosotros/nosotras) éramos we were
(vosotros/vosotras) erais You were
(ellos/ellas) eran they were

Pretérito pluscuamperfecto 

Spanish English
(yo) había sido I had been
(tú) habías sido You had been
(él/ella) había sido he/she had been
(nosotros/nosotras) habíamos sido we had been
(vosotros/vosotras) habíais sido you had been
(ellos/ellas) habían sido they had been

Subjuntivo pretérito imperfecto 

Spanish English
(yo) fuera/fuese I were to be
(tú) fueras/fueses You were
(él/ella) fuera/fuese he/she were
(nosotros/nosotras) fuéramos/fuésemos we were to be
(vosotros/vosotras) fuerais/fueseis you were
(ellos/ellas) fueran/fuesen they were

Subjuntivo pluscuamperfecto 

Spanish English
(yo) hubiera/hubiese sido I had been
(tú) hubieras/hubieses sido you had been
(él/ella) hubiera/hubiese sido he/she had been
(nosotros/nosotras) hubiéramos/hubiésemos sido we had been
(vosotros/vosotras) hubierais/hubieseis sido you had been
(ellos/ellas) hubieran/hubiesen sido they had been

Pretérito indefinido 

Spanish English
(yo) fui I was
(tú) fuiste You were
(él/ella) fue he/she was
(nosotros/nosotras) fuimos we were
(vosotros/vosotras) fuisteis you were
(ellos/ellas) fueron they were

Pretérito anterior 

Spanish English
(yo) hube sido I had been
(tú) hubiste sido You had been
(él/ella) hubo sido he/she had been
(nosotros/nosotras) hubimos sido we had been
(vosotros/vosotras) hubisteis sido you had been
(ellos/ellas) hubieron sido they had been

Subjuntivo futuro simple 

Spanish English
(yo) fuere I were to be
(tú) fueres you will be
(él/ella) fuere he/she were to be
(nosotros/nosotras) fuéremos we would be
(vosotros/vosotras) fuereis you would be
(ellos/ellas) fueren they will be

Subjuntivo futuro perfecto 

Spanish English
(yo) hubiere sido I will have been
(tú) hubieres sido you will have been
(él/ella) hubiere sido he/she will have been
(nosotros/nosotras) hubiéremos sido we will have been
(vosotros/vosotras) hubiereis sido You will have been
(ellos/ellas) hubieren sido they have been

Futuro simple 

Spanish English
(yo) seré I will be
(tú) serás you will be
(él/ella) será he/she will be
(nosotros/nosotras) seremos we will be
(vosotros/vosotras) seréis you will be
(ellos/ellas) serán they will be

Futuro perfecto 

Spanish English
(yo) habré sido I will have been
(tú) habrás sido You will have been
(él/ella) habrá sido he/she will have been
(nosotros/nosotras) habremos sido we will have been
(vosotros/vosotras) habréis sido you will have been
(ellos/ellas) habrán sido they will have been
Imperativo (Imperative)

Imperativo 

Spanish English
No existe imperativo para yo There is no imperative for I
¡Sé! Be!
¡Sea! He/She be!
¡Seamos! Let us be!
¡Sed! Be

Imperativo negativo 

Spanish English
— You don't be
¡No seas! He/She don't be
¡No sea! We let’s not be
¡No seamos! You all do not be
¡No seáis! They do not be

Condicional simple 

Spanish English
(yo) sería I would be
(tú) serías You would be
(él/ella) sería he would be / she would be
(nosotros/nosotras) seríamos we would be
(vosotros/vosotras) seríais you would be
(ellos/ellas) serían they would be

Condicional perfecto 

Spanish English
(yo) habría sido I would have been
(tú) habrías sido You would have been
(él/ella) habría sido he would have been
(nosotros/nosotras) habríamos sido we would have been
(vosotros/vosotras) habríais sido you would have been
(ellos/ellas) habrían sido they would have been

Present and future tenses: A1

Exercise: Translate and make sentences

Instruction: Translate the words and phrases below.

1. They are the ones who say goodbye.
Ellos son los que dicen adiós.
2. You are good at saying goodbye.
Tú eres bueno para despedirte.
3. They will be the ones who spend time with the grandchildren.
Serán quienes pasen tiempo con los nietos.
4. We will be responsible for the pension.
Seremos responsables de la pensión.
5. We are happy, see you later.
Nosotros somos felices, hasta luego.

Basic past tenses (A2/B1)

Exercise: Translate and make sentences

Instruction: Translate the words and phrases below.

1. They have been great in karate and boxing together.
Han sido grandes en karate y boxeo juntos.
2. You were flexible in accepting the offer.
Tú eras flexible al aceptar la oferta.
3. You went to the jungle to observe the flora.
Fuisteis a la selva para observar la flora.
4. You went to the zoo to see the enormous elephant.
Fuiste al zoo para ver el elefante enorme.
5. I have been good at swimming all my life.
He sido bueno en natación toda mi vida.

Basic subjunctive exercises: B1

Exercise: Verb conjugation

Instruction: Choose the correct verb and tense.

Show translation Show answers

seas, sea, seamos, sean

1.
De... que ... usuarios responsables.
(We wish that we are responsible users.)
2.
Quiero que ... el destinatario correcto.
(I want you to be the right recipient.)
3.
Ojalá que ... atentos al recibir la carta.
(I hope they are attentive when receiving the letter.)
4.
Es importante que ... clara la firma.
(It is important that the signature be clear.)
5.
Espero que ... fácil mandar el email.
(I hope it is easy to send the email.)

Advanced exercises: C1/C2

Exercise: Translate and make sentences

Instruction: Translate the words and phrases below.

1. Just after we had been accepted into the university, we celebrated.
Justo después de que hubimos sido aceptados en la universidad, celebramos.
2. Maybe you would have been a better leader in that situation.
Tal vez tú hubieras/hubieses sido un mejor líder en esa situación.
3. I would have been happier with another job.
Yo habría sido más feliz con otro trabajo.
4. It is possible that I have been chosen to lead the project.
Es posible que yo haya sido elegido para liderar el proyecto.
5. If he/she had been honest from the beginning, things would be different.
Si él/ella hubiera/hubiese sido honesto/a desde el principio, las cosas serían diferentes.