Quick answer
ser means to be (permanent). Use ser when you are describing what something is, where someone is from, what someone does, or a characteristic that feels defining rather than temporary.
Present tense conjugation of ser
| Pronoun | Form |
|---|---|
| yo | soy |
| tú | eres |
| él/ella/usted | es |
| nosotros | somos |
| ellos/ustedes | son |
Practice ser in real sentences
Try the sentence loop, then use the compact reference below to review each example in one place.
Sentence 1 of 20
yo
Yo ___ el capitán del equipo de fútbol.
ser sentence examples
These examples keep the full practice text visible for review: match the pronoun, fill in the blank, then check the answer and translation.
| Pronoun | Sentence | Answer | Translation |
|---|---|---|---|
| yo | Yo ___ el capitán del equipo de fútbol. | soy | I am the captain of the soccer team. |
| yo | Yo ___ alérgico al polen en primavera. | soy | I am allergic to pollen in spring. |
| yo | Yo ___ de México. | soy | I am from Mexico. |
| yo | Yo ___ estudiante de medicina. | soy | I am a medical student. |
| tú | Tú ___ mi mejor amigo. | eres | You are my best friend. |
| tú | Tú ___ muy inteligente. | eres | You are very intelligent. |
| tú | Tú ___ la persona más creativa del grupo. | eres | You are the most creative person in the group. |
| tú | Tú ___ responsable del proyecto de ciencias. | eres | You are responsible for the science project. |
| él/ella/usted | El volcán ___ peligroso para los pueblos cercanos. | es | The volcano is dangerous for nearby towns. |
| él/ella/usted | Ella ___ doctora en el hospital. | es | She is a doctor at the hospital. |
| él/ella/usted | El examen ___ muy difícil. | es | The exam is very difficult. |
| él/ella/usted | La música clásica ___ relajante para estudiar. | es | Classical music is relaxing for studying. |
| nosotros | Nosotros ___ de Colombia. | somos | We are from Colombia. |
| nosotros | Nosotros ___ fanáticos de la astronomía. | somos | We are astronomy fanatics. |
| nosotros | Nosotros ___ hermanos. | somos | We are siblings. |
| nosotros | Nosotros ___ voluntarios en el hospital los sábados. | somos | We are volunteers at the hospital on Saturdays. |
| ellos/ustedes | Ustedes ___ los ganadores del torneo de ajedrez. | son | You all are the winners of the chess tournament. |
| ellos/ustedes | Ellos ___ profesores de español. | son | They are Spanish teachers. |
| ellos/ustedes | Las ballenas ___ los mamíferos más grandes del océano. | son | Whales are the largest mammals in the ocean. |
| ellos/ustedes | Ustedes ___ muy amables. | son | You all are very kind. |
Common mistake
Learners often use estar for identity or profession. Say "Ella es doctora" for "She is a doctor," because profession uses ser.