ser

/sehr/

A friendly doctor with a stethoscope pointing to herself with a smile, representing the use of 'ser' for professions and identity.

We use 'ser' to talk about who someone is, like their job or name. 'Ella es doctora' means 'She is a doctor'.

ser (Verb)

A1irregular er
to be?permanent qualities, identity, origin

📝 In Action

Yo soy de España.

A1

I am from Spain.

Ella es alta y simpática.

A1

She is tall and nice.

Mi hermano es arquitecto.

A2

My brother is an architect.

Este coche es mío.

A2

This car is mine.

Related Words

Antonyms

  • estar (to be (temporary state/location))

Common Collocations

  • ser humanohuman being
  • ser felizto be a happy person (by nature)
  • ser de buena familiato come from a good family

Idioms & Expressions

  • ser pan comidoto be very easy, a piece of cake
  • ser un cero a la izquierdato be useless or unimportant

🔄 Conjugations

indicative

present

yosoy
eres
él/ella/ustedes
nosotrossomos
vosotrossois
ellos/ellas/ustedesson

preterite

yofui
fuiste
él/ella/ustedfue
nosotrosfuimos
vosotrosfuisteis
ellos/ellas/ustedesfueron

imperfect

yoera
eras
él/ella/ustedera
nosotroséramos
vosotroserais
ellos/ellas/ustedeseran

subjunctive

present

yosea
seas
él/ella/ustedsea
nosotrosseamos
vosotrosseáis
ellos/ellas/ustedessean

imperfect

yofuera
fueras
él/ella/ustedfuera
nosotrosfuéramos
vosotrosfuerais
ellos/ellas/ustedesfueran

💡 Grammar Points

Ser vs. Estar: The Big Question

Use 'ser' for things that are part of something's identity or nature, like where you're from, your job, or your personality. Think of it as describing the 'essence' of something.

❌ Common Pitfalls

Using 'Ser' for Location

Mistake: "Yo soy en la casa."

Correction: For telling where something is *right now*, always use 'estar': 'Yo estoy en la casa.' You only use 'ser' for where you are *from* ('Soy de México') or where an event takes place ('La fiesta es en mi casa').

⭐ Usage Tips

Remember D.O.C.T.O.R.

A helpful way to remember when to use 'ser' is the acronym D.O.C.T.O.R.: Description, Occupation, Characteristic, Time, Origin, and Relationship. If your sentence is about one of these, you probably need 'ser'.

A large party invitation with confetti and balloons around it, representing the use of 'ser' for events and time.

'Ser' also tells us about time, dates, and when or where an event takes place. 'La fiesta es el sábado' means 'The party is on Saturday'.

ser (Verb)

A1irregular er
to be?time, dates, events
Also:to take place?for an event

📝 In Action

¿Qué hora es? Son las tres.

A1

What time is it? It's three o'clock.

Hoy es martes.

A1

Today is Tuesday.

El concierto fue anoche.

A2

The concert was last night.

La reunión es en la sala grande.

A2

The meeting is (takes place) in the big room.

Related Words

Common Collocations

  • ser la unato be one o'clock
  • ser de nocheto be nighttime

💡 Grammar Points

Time and Dates are 'Ser'

When you're talking about the time on a clock, the day of the week, or the date, the rule is simple: always use 'ser'.

'Ser' for Event Location

This is a tricky one! While you use 'estar' for the location of a person or object, you use 'ser' to say where a planned event takes place. 'La boda es en la playa' (The wedding is on the beach).

❌ Common Pitfalls

Confusing 'Time' with 'Feeling'

Mistake: "El día es nublado."

Correction: Use 'estar' for temporary conditions like weather: 'El día está nublado.' Use 'ser' for the time itself: 'Es de día' (It's daytime).

A silhouette of a person looking up at a starry night sky, representing 'ser' as a noun meaning 'a being'.

As a noun, 'el ser' means a 'being' or 'creature.' 'El ser humano' means 'the human being'.

ser (Noun)

mB1
being?a living creature or entity
Also:essence?the nature of something

📝 In Action

El ser humano es un animal social.

B1

The human being is a social animal.

Los mitos hablan de seres fantásticos.

B2

Myths speak of fantastic beings.

Busco entender el ser de las cosas.

C1

I seek to understand the essence of things.

Related Words

Synonyms

  • criatura (creature)
  • ente (entity)

⭐ Usage Tips

Usually with 'Humano'

You'll most often see this noun form in the phrase 'el ser humano' (the human being). It sounds a bit more formal or scientific than just saying 'la persona' (the person).

✏️ Quick Practice

💡 Quick Quiz: ser

Question 1 of 2

Which sentence correctly describes a person's profession?

📚 More Resources

Word Family

Frequently Asked Questions

Why are there two verbs for 'to be' in Spanish ('ser' and 'estar')?

Think of it this way: 'ser' is for what something *is* (its permanent essence, identity, or origin), while 'estar' is for how something *is* (its temporary state, location, or feeling). This distinction gives Spanish more precision than English. For example, 'ser aburrido' means 'to be a boring person', but 'estar aburrido' means 'to be bored right now'.

Why is the past tense of 'ser' ('fui', 'fuiste', 'fue'...) the same as the verb 'ir' (to go)?

It's a strange quirk of history! Both verbs were so common that over time, their past tense forms merged into one. You can only tell the difference from the context of the sentence. 'Fui a la tienda' means 'I went to the store', while 'Fui un buen estudiante' means 'I was a good student'.