Present Tense
| Person | Singular | Plural |
|---|---|---|
| Yo (I) | soy | somos |
| Tú (you [informal]) | eres | sois |
| Él/Ella/Usted (he/she/you [formal]) | es | son |
| Nosotros/as (we) | somos | somos |
| Vosotros/as (you [plural, informal]) | sois | sois |
| Ellos/Ellas/Ustedes (they/you [plural, formal]) | son | son |
Preterite Tense (Past Tense)
| Person | Singular | Plural |
|---|---|---|
| Yo (I) | fui | fuimos |
| Tú (you [informal]) | fuiste | fuisteis |
| Él/Ella/Usted (he/she/you [formal]) | fue | fueron |
| Nosotros/as (we) | fuimos | fuimos |
| Vosotros/as (you [plural, informal]) | fuisteis | fuisteis |
| Ellos/Ellas/Ustedes (they/you [plural, formal]) | fueron | fueron |
Imperfect Tense (Past Continuous/Repeated Action)
| Person | Singular | Plural |
|---|---|---|
| Yo (I) | era | éramos |
| Tú (you [informal]) | eras | erais |
| Él/Ella/Usted (he/she/you [formal]) | era | eran |
| Nosotros/as (we) | éramos | éramos |
| Vosotros/as (you [plural, informal]) | erais | erais |
| Ellos/Ellas/Ustedes (they/you [plural, formal]) | eran | eran |
Future Tense
| Person | Singular | Plural |
|---|---|---|
| Yo (I) | seré | seremos |
| Tú (you [informal]) | serás | seréis |
| Él/Ella/Usted (he/she/you [formal]) | será | serán |
| Nosotros/as (we) | seremos | seremos |
| Vosotros/as (you [plural, informal]) | seréis | seréis |
| Ellos/Ellas/Ustedes (they/you [plural, formal]) | serán | serán |
Conditional Tense
| Person | Singular | Plural |
|---|---|---|
| Yo (I) | sería | seríamos |
| Tú (you [informal]) | serías | seríais |
| Él/Ella/Usted (he/she/you [formal]) | sería | serían |
| Nosotros/as (we) | seríamos | seríamos |
| Vosotros/as (you [plural, informal]) | seríais | seríais |
| Ellos/Ellas/Ustedes (they/you [plural, formal]) | serían | serían |
Other Important Forms
* Present Participle: siendo
* Past Participle: sido
* Imperative: sé (tú), sea (usted), sed (vosotros/as), sean (ustedes)
Key Points to Remember
* Irregularities: The verb "ser" is highly irregular, with unique forms in the present, preterite, and imperfect tenses.
* Uses: "Ser" is used to express:
* Permanent characteristics: (e.g., "Ella es alta," She is tall.)
* Identity: (e.g., "Yo soy un estudiante," I am a student.)
* Time: (e.g., "Son las tres de la tarde," It's 3 pm.)
* Location: (e.g., "El libro está en la mesa," The book is on the table.)
* "Ser" vs. "Estar": These verbs are often confused. "Ser" describes inherent qualities, while "estar" expresses temporary states or locations.
Remember, practicing conjugation is key to mastering the Spanish verb "ser." Good luck!