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serían

seh-REE-ahn/seˈɾi.an/

“serían” means “would be” in Spanish (Hypothetical or conjectured outcome).

would be

Also: must have been, could be
VerbB1irregular ir
A colorful storybook illustration showing a smiling child gazing happily upwards at a large, clear thought bubble floating above their head. Inside the thought bubble is a simple golden crown, symbolizing a potential or hypothetical future.
infinitiveser
gerundsiendo
past Participlesido

📝 In Action

Si ganaran la lotería, serían millonarios.

B1

If they won the lottery, they would be millionaires.

Los problemas serían menores con más comunicación.

B2

The problems would be smaller with more communication.

¿A qué hora serían las noticias? ¿A las nueve?

B1

What time would the news be? At nine?

Ustedes serían los encargados de la seguridad, ¿verdad?

A2

You (all) would be in charge of security, right?

Word Connections

Synonyms

  • estarían (would be (temporary state))
  • parecerían (they would seem)

Common Collocations

  • serían importantes – they would be important
  • serían necesarios – they would be necessary

🔄 Conjugations

indicative

present

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

imperfect

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

preterite

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

subjunctive

present

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

imperfect

él/ella/ustedfuera/fuese
yofuera/fuese
túfueras/fueses
ellos/ellas/ustedesfueran/fuesen
nosotrosfuéramos/fuésemos
vosotrosfuerais/fueseis
View All Tenses & Moods →

Translate to Spanish

Words that translate to "serían" in Spanish:

could be→would be→

✏️ Quick Practice

Quick Quiz: serían

Question 1 of 1

Which English sentence correctly uses the meaning of 'serían'?

📚 More Resources

👥 Word Family▼
ser(to be (infinitive)) — Verb
la esencia(the essence/being) — Noun
el ser(the being/person) — Noun
🎵 Rhymes▼
diríanharían
📚 Etymology▼

The Spanish verb 'ser' is highly irregular because it merged two different Latin verbs: *esse* (to be) and *sedēre* (to sit/remain). The conditional tense, however, is formed regularly from the infinitive (*ser* + -ían endings), a pattern established in early Romance languages.

First recorded: Old Spanish (Ser was established by the 10th century; the conditional form 'serían' follows the regular evolution of Romance conditional endings.)

Cognates (Related words)

Portuguese: seriamItalian: sarebbero

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Frequently Asked Questions

Is 'serían' a regular or irregular form?

The verb 'ser' is highly irregular in most tenses. However, the Conditional tense (where 'serían' comes from) is actually formed regularly by taking the entire infinitive 'ser' and adding the standard conditional ending '-ían'.

How is 'serían' different from 'fueron'?

'Serían' (would be) talks about a possibility or hypothetical situation. 'Fueron' (they were) is the past tense (preterite) and talks about a definite action or state completed in the past.