Conjugación de ser ser means “to be (identity, characteristic)” in Spanish. It is irregular: some of its forms don't follow the default pattern. It is one of the 25 most frequent verbs in this collection.
How to conjugate ser In the presente , ser runs: yo soy, tú eres, él/ella/usted es, nosotros somos, vosotros sois, ellos/ellas/ustedes son. Note the irregular changes: they don't come from the regular endings, so drill each person separately.
ser in a sentence In a sentence, ser looks like this: Yo soy médico. (“I am a doctor.”). The example shows the context the form turns up in.
Tenses and CEFR levels This page lists 15 tenses and moods of ser , grouped by CEFR level. The presente (A1) is free to practise in Verboteca; Premium opens every tense and mood up to the advanced levels.
FAQ What does “ser” mean in Spanish? ser means “to be (identity, characteristic)”.
Is ser regular or irregular? ser is an irregular Spanish verb: some of its forms don't follow the regular pattern.
How do you conjugate ser in the presente? yo soy, tú eres, él/ella/usted es, nosotros somos, vosotros sois, ellos/ellas/ustedes son.
Conjugation tables A1 — Beginner yo soy tú eres él/ella/usted es nosotros somos vosotros sois ellos/ellas/ustedes son
Yo soy médico. · I am a doctor.
yo he sido tú has sido él/ella/usted ha sido nosotros hemos sido vosotros habéis sido ellos/ellas/ustedes han sido
Siempre he sido honesto contigo. · I have always been honest with you.
A2 — Elementary yo fui tú fuiste él/ella/usted fue nosotros fuimos vosotros fuisteis ellos/ellas/ustedes fueron
La semana pasada fui a la boda. · Last week I was at the wedding.
yo era tú eras él/ella/usted era nosotros éramos vosotros erais ellos/ellas/ustedes eran
Yo era un niño muy travieso. · I was a very mischievous child.
yo seré tú serás él/ella/usted será nosotros seremos vosotros seréis ellos/ellas/ustedes serán
Algún día seré un gran artista. · One day I will be a great artist.
tú sé él/ella/usted sea nosotros seamos vosotros sed ellos/ellas/ustedes sean
¡Sé valiente! · Be brave!
B1 — Intermediate yo sea tú seas él/ella/usted sea nosotros seamos vosotros seáis ellos/ellas/ustedes sean
Espero que yo sea el elegido. · I hope that I am the chosen one.
yo había sido tú habías sido él/ella/usted había sido nosotros habíamos sido vosotros habíais sido ellos/ellas/ustedes habían sido
Nunca antes había sido tan feliz. · I had never been so happy before.
tú no seas él/ella/usted no sea nosotros no seamos vosotros no seáis ellos/ellas/ustedes no sean
No seas pesimista. · Don't be a pessimist.
yo sería tú serías él/ella/usted sería nosotros seríamos vosotros seríais ellos/ellas/ustedes serían
Sin ti, no sería nada. · Without you, I would be nothing.
B2 — Upper Intermediate yo habré sido tú habrás sido él/ella/usted habrá sido nosotros habremos sido vosotros habréis sido ellos/ellas/ustedes habrán sido
Para el próximo año, ya habré sido ascendido. · By next year, I will have already been promoted.
yo fuera tú fueras él/ella/usted fuera nosotros fuéramos vosotros fuerais ellos/ellas/ustedes fueran
Si yo fuera rico, viajaría por el mundo. · If I were rich, I would travel the world.
yo haya sido tú hayas sido él/ella/usted haya sido nosotros hayamos sido vosotros hayáis sido ellos/ellas/ustedes hayan sido
Ojalá yo haya sido. · I hope I have been.
yo hubiera sido tú hubieras sido él/ella/usted hubiera sido nosotros hubiéramos sido vosotros hubierais sido ellos/ellas/ustedes hubieran sido
Ojalá yo hubiera sido. · I wish I had been.
yo habría sido tú habrías sido él/ella/usted habría sido nosotros habríamos sido vosotros habríais sido ellos/ellas/ustedes habrían sido
Si lo hubiera sabido, habría sido más cauto. · If I had known, I would have been more cautious.
Memorize every form of "ser" Verboteca turns each form into a card and brings it back at a growing interval as you keep getting it right.
Guides How to learn verb conjugation A practical method for learning verb conjugation in any language: tenses, pronouns and irregular verbs, with spaced repetition. How to build vocabulary that sticks Build a foreign-language vocabulary that lasts using spaced repetition, frequency-first word lists and CEFR levels. CEFR levels A1-C2 explained What the CEFR levels A1, A2, B1, B2, C1 and C2 mean and what to learn at each: vocabulary and verb tenses. Ser vs estar: which “to be” to use Spanish has two verbs for “to be”: ser and estar. A clear, example-driven rule for choosing the right one every time. The Spanish subjunctive, explained simply The subjunctive is a grammatical mood built around wishes, doubt, emotion and the unreal. Learn the triggers and it stops being scary. Preterite vs imperfect: two Spanish pasts Spanish has two simple past tenses. The preterite is for completed events; the imperfect is for background and habits. Here is how to tell them apart. Por vs para: a practical guide Both por and para can translate as “for”, but they cover different ideas: cause vs purpose, route vs destination. A clear split with examples. The 50 Spanish verbs to learn first A frequency-first list of the most useful Spanish verbs, the ones that unlock most everyday conversation, and how to drill them. Spanish reflexive verbs made clear Reflexive verbs like levantarse and llamarse use a pronoun that points back to the subject. Learn how they work and when Spanish uses them. Spanish object pronouns: lo, la, le and the rest Direct and indirect object pronouns (lo, la, le, me, te) stand in for nouns and cut the repetition. What each does, where it goes, and the le to se swap. How long does it take to reach B1? A realistic look at how many hours it takes to reach conversational B1 in a language, and what actually moves the needle. Spaced repetition: why it works and how to stick with it Spaced repetition is the most efficient way to move a language into long-term memory. Here is the science in plain terms and how to keep the habit. Learn conjugation without drowning in tables Five common mistakes that make verb conjugation feel impossible, and a simpler approach that treats each form as one thing to learn. The other verbs with no pattern behind them Other common Spanish verbs All Spanish verbs →
