Both mean “to be”. Use ser for what someone or something is: identity, nationality and origin, job, character and appearance, time and dates, and where an event takes place. Use estar for where someone or something is and how they are at the moment: location, feelings, states and the progressive (estoy comiendo). Some adjectives change meaning: es aburrido (he’s boring), está aburrido (he’s bored).
The two verbs in the present
| Ser | Estar | English |
|---|---|---|
| soy | estoy | I am |
| eres | estás | you are |
| es | está | he, she, it is; you are (usted) |
| somos | estamos | we are |
| sois | estáis | you are (vosotros) |
| son | están | they are; you are (ustedes) |
Ser is irregular in almost every tense. Estar is irregular in the first person (estoy) and carries accents on estás, está, estáis and están: without them, esta means “this”.
Ser: what something is
- Identity and relationships. Es mi hermana. Soy Laura.
- Nationality and origin. Somos escoceses. Soy de Leeds.
- Job. Mi madre es enfermera. No article before the job: “es una enfermera” only when you add an adjective (es una enfermera excelente).
- Character and physical description. Es simpático. Son altos.
- Material and possession. La mesa es de madera. El libro es de Ana.
- Time, days and dates. Son las tres. Hoy es lunes. Es tarde.
- Where and when an event takes place. La fiesta es en mi casa. El examen es el viernes.
- Totals and prices. ¿Cuánto es? Son diez euros.
Estar: where something is, and how it is now
- Location of people and things. Estoy en clase. Madrid está en el centro de España.
- Feelings and physical states. Estoy contento. Está cansada. Estamos enfermos.
- Conditions and results of a change. La puerta está abierta. La sopa está fría.
- The progressive. Estoy estudiando. ¿Qué estás haciendo?
- Fixed expressions. estar de acuerdo (to agree), estar de vacaciones (to be on holiday), estar de pie (to be standing), estar de buen humor (to be in a good mood).
- A temporary role: estar de. Este verano está de camarero. (He’s working as a waiter this summer.)
Beyond “permanent vs temporary”
The permanent/temporary rule is a useful start, but it breaks quickly. Show pupils these cases from KS3:
- Madrid está en España: permanent, but it is a location, so estar.
- Mi abuelo está muerto: nothing is more permanent, yet death is treated as a state.
- Soy estudiante, es joven: temporary, but they say what someone is, so ser.
- La fiesta es en el gimnasio: an event, so ser, even for its location.
A better question for pupils: “Am I saying what it is, or how or where it is?”
Many UK classrooms use the acronyms DOCTOR (Description, Occupation, Characteristic, Time, Origin, Relationship) for ser and PLACE (Position, Location, Action, Condition, Emotion) for estar. They help at first, but pupils should also learn the exceptions above: events take ser, death takes estar.
Adjectives that change meaning
| Adjective | With ser | With estar |
|---|---|---|
| aburrido | boring | bored |
| listo | clever | ready |
| malo | bad | ill (Spain); off, bad-tasting (food) |
| bueno | good | tasty (food); attractive (colloquial, for a person) |
| rico | rich | delicious |
| verde | green | unripe; inexperienced |
| vivo | lively, sharp | alive |
| despierto | bright, sharp | awake |
| atento | considerate | attentive, paying attention |
| orgulloso | proud, arrogant | proud (of something) |
| seguro | safe | sure |
| callado | quiet (by nature) | silent (right now) |
| cansado | tiring | tired |
| moreno | dark-haired, dark-skinned | tanned (Spain) |
| guapo | good-looking | looking good (today) |
La película es aburrida y yo estoy aburrido.The film is boring and I’m bored.
Es muy lista, pero no está lista para el examen.She’s very clever, but she isn’t ready for the exam.
Este bizcocho está riquísimo.This cake is delicious.
Warn pupils about estar bueno: said of a person, it means “fit” or “hot”. Estoy bien is “I’m fine”; “estoy bueno” is not.
Estar with emotions
Feelings are states, so they take estar, and the adjective agrees with the person who feels:
- Estoy contento (boy), estoy contenta (girl)
- Está nervioso, está nerviosa
- Estamos preocupados (mixed group)
Some pairs are worth teaching side by side: es nervioso (a nervous person) and está nervioso (nervous right now); es tranquila (a calm person) and está tranquila (calm right now).
Feliz works with both: soy feliz (I’m a happy person, I’m happy in life) and estoy feliz (I’m happy right now). Estar feliz is especially common in Latin America; both are correct.
Regional note: for marital status, estoy casado is the usual form in Spain, while soy casado is common in parts of Latin America. Both are correct.
Typical mistakes of English-speaking learners
- “Soy cansado”, “soy triste”: feelings take estar.
- “Estoy inglés”, “estoy profesor”: nationality and job take ser.
- “El libro es en la mesa”: location of things takes estar.
- “La fiesta está en mi casa”: events take ser.
- “Es las tres”: plural for hours after one: Son las tres; Es la una.
- Soy aburrido / estoy aburrido confused: boring versus bored.
- “Estoy bueno” for “I’m fine”: Estoy bien.
- Missing accents: está, not “esta”.
In class: ser and estar in a daily routine
A face on the board is the fastest way to make the difference visible, every day.
- Show a face, for example someone yawning.
- Ask ¿Cómo está? The class answers Está cansado or Está cansada.
- Reveal both forms, masculine and feminine, so the agreement is visible.
- Switch verbs: ¿Y cómo es? Pupils describe the person: Es joven. Es moreno.
- Turn it round: ¿Y tú? ¿Cómo estás hoy?
That is exactly what a short emotions routine offers: estar with a real feeling every day, and ser as its natural contrast.
Other activities: sort cards into two hats (ser / estar), a “who is it?” guessing game with character and mood (Es alto y está enfadado), or minimal pairs to translate (es listo / está listo).
Adapting to your class
- A1Fixed phrases: Soy de…, Es alto, Estoy bien, Está en…
- A2The core rules: ser for description, estar for feelings and location: Mi hermano es simpático, pero hoy está enfadado.
- B1Exceptions and the progressive: La fiesta es en casa de Ana. Estoy estudiando.
- B2Adjectives that change meaning and nuance: Es muy vivo. Está orgullosa de su hija.
At KS2, fixed phrases are enough. At KS3, the core rules and the feelings routine. At GCSE, the exceptions and the change-of-meaning adjectives are where accuracy marks are won.
The “Las emociones” module does it for you
A face on the board, the class says how it feels, the answer is revealed in the masculine and the feminine: agreement practice without even announcing it. No preparation needed: try everything free for 15 days of use.
Frequently asked questions
What is the difference between ser and estar?
Ser says what something is: identity, origin, job, character, time, events. Estar says where it is and how it is now: location, feelings, states, the progressive.
Is it ser or estar for feelings?
Estar: estoy contento, está triste. Feliz can take both: soy feliz, estoy feliz.
Is it ser or estar for location?
Estar for people and things (El libro está en la mesa), but ser for events (La fiesta es en mi casa).
Why is it "está muerto" and not "es muerto"?
Because Spanish treats death as a state, not as a characteristic, so it takes estar, even though it is permanent.
What is the difference between ser listo and estar listo?
Ser listo means to be clever; estar listo means to be ready. Other pairs: ser aburrido (boring) and estar aburrido (bored), ser rico (rich) and estar rico (delicious).
What do DOCTOR and PLACE stand for?
Classroom acronyms: DOCTOR (Description, Occupation, Characteristic, Time, Origin, Relationship) for ser; PLACE (Position, Location, Action, Condition, Emotion) for estar. Useful, but events and death are exceptions.