Ser and Estar conjugation.Verb 'to be' in Spanish.
What is the verb ser
The verb ser is used for identity, origin, time, occupation, relationships, and characteristics that define a person or thing. These qualities are often relatively lasting, but ser does not always mean that something can never change.
Uses of ser:
- Identity: Identify or define someone or something. María es doctora. — María is a doctor.
- Origin: Say where someone or something is from. Ellos son de México. — They are from Mexico.
- Time and dates: Express the time, date, or day. Es lunes. — It is Monday.
- Characteristics: Describe defining qualities. El coche es rojo. — The car is red.
- Occupation: Say what someone does for a living. Yo soy profesora. — I am a teacher.
- Relationships: Describe relationships between people. Ella es mi hermana. — She is my sister.
| Subject | Ser |
|---|---|
| Yo | soy |
| Tú | eres |
| Él/Ella/Usted | es |
| Nosotros/Nosotras | somos |
| Vosotros/Vosotras | sois |
| Ellos/Ellas/Ustedes | son |
What is the verb estar
The verb estar is used for temporary states and conditions, locations, and situations that can change. It also means to be in English, but its use differs from ser.
Temporary states and conditions: Use estar for emotions, health, and other conditions that may change.
- Estoy cansado. — I am tired.
- Está feliz. — He/She is happy.
- Están enfermos. — They are sick.
Location: Use estar for the location of people, objects, and places.
- La mesa está en la cocina. — The table is in the kitchen.
- Estamos en el parque. — We are at the park.
- ¿Dónde estás? — Where are you?
Forms of estar:
| Subject | Estar |
|---|---|
| Yo | estoy |
| Tú | estás |
| Él/Ella/Usted | está |
| Nosotros/Nosotras | estamos |
| Vosotros/Vosotras | estáis |
| Ellos/Ellas/Ustedes | están |
Ser and Estar conjugation in different tenses
The verbs ser and estar both mean to be in English, but they are used in different contexts and have different forms. The tables below show the indicative present, preterite, future, conditional, and present subjunctive.
Present indicative
| Subject | Ser | Estar |
|---|---|---|
| Yo | soy | estoy |
| Tú | eres | estás |
| Él/Ella/Usted | es | está |
| Nosotros/Nosotras | somos | estamos |
| Vosotros/Vosotras | sois | estáis |
| Ellos/Ellas/Ustedes | son | están |
Preterite
| Subject | Ser | Estar |
|---|---|---|
| Yo | fui | estuve |
| Tú | fuiste | estuviste |
| Él/Ella/Usted | fue | estuvo |
| Nosotros/Nosotras | fuimos | estuvimos |
| Vosotros/Vosotras | fuisteis | estuvisteis |
| Ellos/Ellas/Ustedes | fueron | estuvieron |
Future
| Subject | Ser | Estar |
|---|---|---|
| Yo | seré | estaré |
| Tú | serás | estarás |
| Él/Ella/Usted | será | estará |
| Nosotros/Nosotras | seremos | estaremos |
| Vosotros/Vosotras | seréis | estaréis |
| Ellos/Ellas/Ustedes | serán | estarán |
Conditional
| Subject | Ser | Estar |
|---|---|---|
| Yo | sería | estaría |
| Tú | serías | estarías |
| Él/Ella/Usted | sería | estaría |
| Nosotros/Nosotras | seríamos | estaríamos |
| Vosotros/Vosotras | seríais | estaríais |
| Ellos/Ellas/Ustedes | serían | estarían |
Present subjunctive
| Subject | Ser | Estar |
|---|---|---|
| Yo | sea | esté |
| Tú | seas | estés |
| Él/Ella/Usted | sea | esté |
| Nosotros/Nosotras | seamos | estemos |
| Vosotros/Vosotras | seáis | estéis |
| Ellos/Ellas/Ustedes | sean | estén |
When to use Ser
Use ser for identity, origin, occupation, relationships, time, and characteristics viewed as defining or inherent. The distinction is about how the speaker presents the information, not an absolute rule that the quality can never change.
Examples:
- Yo soy alto. — I am tall.
- Ella es inteligente. — She is intelligent.
- Nosotros somos amigos. — We are friends.
- El coche es rojo. — The car is red.
The following pairs contrast a defining characteristic or origin with a temporary state or location.
| Spanish | English | Explanation |
|---|---|---|
| Él es doctor. | He is a doctor. | Occupation or professional identity uses ser. |
| Él está cansado. | He is tired. | Fatigue is a temporary state. |
| Nosotros somos de México. | We are from Mexico. | Origin uses ser. |
| Nosotros estamos en México. | We are in Mexico. | Location uses estar. |
When to use Estar
Use estar for temporary states, emotions, health conditions, locations, and situations that are subject to change.
Temporary physical states or conditions:
- Estoy cansado. — I am tired.
- Estás enferma. — You are sick.
- Estamos ocupados. — We are busy.
Temporary emotional or mental states:
- Está feliz. — He/She is happy.
- Estás nervioso. — You are nervous.
- Estoy preocupado. — I am worried.
Location: Use estar for where a person or thing is located.
- Estamos en casa. — We are at home.
- El libro está en la mesa. — The book is on the table.
- Están en el parque. — They are at the park.
Transient situations:
- Está abierta. — It is open.
- Estoy de vacaciones. — I am on vacation.
- Está lloviendo. — It is raining.
| Use of estar | Example |
|---|---|
| Temporary state | Estoy cansado. — I am tired. |
| Location | El libro está en la mesa. — The book is on the table. |
| Transient situation | Está lloviendo. — It is raining. |
What are common mistakes with ser and estar
The verbs ser and estar both mean to be in English, but they are used in different contexts.
Confusing defining characteristics and temporary states
Use ser for qualities presented as defining or lasting, and estar for temporary states or conditions.
- Yo soy alta. — I am tall.
- Yo estoy cansada. — I am tired.
Ask whether you are describing an identity or characteristic, or a current condition.
Using the wrong verb for location
Use estar for the location of people and things. However, use ser for the location of an event.
- Incorrect for a person or thing: La mesa es en la cocina. — The table is in the kitchen.
- Correct: La mesa está en la cocina. — The table is in the kitchen.
- Event location: La fiesta es en mi casa. — The party is at my house.
Misusing adjectives
Some adjectives change meaning depending on whether they are used with ser or estar.
| Adjective | With ser | With estar |
|---|---|---|
| seguro | Él es seguro. — He is confident. | Él está seguro. — He is sure. |
| listo | Ella es lista. — She is clever. | Ella está lista. — She is ready. |
| aburrido | El libro es aburrido. — The book is boring. | Estoy aburrido. — I am bored. |
Idiomatic expressions with Ser and Estar
Many idiomatic expressions use ser or estar. Their meanings may not translate word for word into English, so learn each expression as a unit.
Idiomatic expressions with ser
- El examen fue pan comido. — The exam was a piece of cake.
- Ellos son uña y carne. — They are inseparable.
- Me siento un cero a la izquierda en esas reuniones. — I feel like a nobody in those meetings.
Idiomatic expressions with estar
- Siempre estás en las nubes. — You are always daydreaming.
- Él está como una cabra. — He is a little crazy.
- Estoy hasta las narices de tus quejas. — I am fed up with your complaints.
These expressions are common in everyday conversation, and the choice between ser and estar is part of the expression.
