nacer

Nacer — "to be born" — is one of the highest-frequency verbs in Spanish, but it works in a way that catches English speakers off guard. In English, to be born is a passive construction: subject was + past participle born. In Spanish, nacer is a plain intransitive verb in the active voice: yo nací en 1990 — literally "I was-born in 1990," with no auxiliary and no participle. Spanish speakers don't conceive of birth as something done to the baby; they conceive of it as something the baby does.

Morphologically, nacer is one of a large family of -cer and -cir verbs that share a single irregularity: the yo form is nazco (not naco), and that -zc- stem spreads to the entire present subjunctive and the negative imperative. Everything else is perfectly regular -er. This same pattern applies to conocer → conozco, crecer → crezco, parecer → parezco, agradecer → agradezco, ofrecer → ofrezco, merecer → merezco, establecer → establezco and dozens more. Master the rule once and you have unlocked the whole group.

Non-finite forms

The participle nacido doubles as an adjective and a noun: un recién nacido (a newborn), los nacidos en los años ochenta (those born in the eighties). When used adjectivally with ser, it expresses origin or natural endowment: es un líder nato/nacido para el liderazgo (he's a born leader).

Indicative — simple tenses

Presente — the only irregularity is nazco

The -zc- exists for purely phonetic reasons. In naces, nace, nacemos, the c before e is soft — pronounced /θ/ in standard peninsular Spanish, /s/ in seseo dialects. To preserve that soft sound before the o of yo, Spanish inserts a z: nazco /ˈnaθko/ (peninsular). Writing naco would force a hard /k/, breaking the pattern. Other -cer verbs use exactly the same trick.

A small but real fact: this present is rare in the first person, because how often do you announce in present tense that you are being born? You'll almost never say yo nazco in real life. The more common contexts are third person (animals being born, generations being born, ideas being born) and historical/literary uses.

Pretérito perfecto simple — fully regular and very common

This is the form you will use most often. Nací en… is how Spanish speakers state their birthplace and year — it is the verb tense of biographical fact. Note the obligatory accent on nací — without it, naci would be misread as a nasci- stem.

Pretérito imperfecto

The imperfect describes habitual or ongoing past birth — used for generations, for animals on a farm, for ideas forming. Rarely used for the single biographical event of one's own birth — that's the preterite's job.

Futuro simple

Condicional

The conditional is overwhelmingly used in the journalistic futuro/condicional de rumor sense ("would be born / is reported to have been born"), or in hypothetical contexts.

Indicative — compound tenses

All compound tenses pair haber with the regular participle nacido.

Pretérito perfecto compuesto

In peninsular Spanish, he nacido is used for events within the current frame of reference (this year, this week, in the speaker's lifetime if it's the topic), while nací takes over for events with a closed past time-marker (a year, a date). This is the standard preterite/perfect distinction of European Spanish.

Pretérito pluscuamperfecto

Futuro compuesto

Condicional compuesto

Subjunctive — simple tenses

Presente de subjuntivo

The -zc- of the yo form spreads through every person of the present subjunctive — the standard rule that the subjunctive stem is built from the indicative yo.

The second example shows a high-frequency syntactic pattern: cuando + present subjunctive expressing a future event. English would say when he's born; Spanish requires the subjunctive after cuando whenever the event is future-and-uncertain.

Imperfecto de subjuntivo (-ra / -se)

Built from the third-person plural preterite nacieron — so no -zc- appears here. Both endings are interchangeable; -ra dominates in spoken Spain.

Subjunctive — compound tenses

Pretérito perfecto de subjuntivo

Pluscuamperfecto de subjuntivo

Imperative

The imperative of nacer is essentially never used in real life — you cannot order someone to be born — but the paradigm exists for completeness. The peninsular vosotros affirmative is naced.

You'll mainly meet the -zc- forms in idioms with negative meaning: ¡No nazcas otra vez sin avisar! (don't get yourself born again without warning — joke usage) is the kind of jokey turn you might hear; serious imperative uses are essentially nil.

Why nacer is intransitive — never me nací

A persistent transfer error from English: learners reach for a reflexive (me nací) by analogy with I was born (which feels passive and therefore subject-affecting). This is wrong. Nacer is intransitive in Spanish: it has a subject (the one being born) and no direct object, no reflexive pronoun, no auxiliary. The English passive was born is rendered as the plain Spanish active nací.

The same logic applies to morir — also intransitive, no reflexive needed for the basic event. The reflexive morirse exists with a separate, colloquial nuance; there is no equivalent reflexive nacerse in standard Spanish. Always plain nacer.

Preposition patterns

The nacer de pattern is enormously productive in figurative Spanish: emotions, ideas, movements, doubts, fears can all nacer de a source.

Common Mistakes

Key Takeaways

• Nacer is a clean -cer verb with one irregularity: yo nazco. The -zc- spreads through the present subjunctive and the negative imperative.
• The biographical was born is always the simple preterite nací, naciste, nació… — never a reflexive, never a passive.
• Nacer is intransitive: no direct object, no reflexive pronoun, no auxiliary verb.
• Preposition patterns to memorize: nacer en (place / year), nacer de (cause / origin), nacer para (be cut out for).
• The same -zc- pattern applies to dozens of other verbs (conocer, crecer, parecer, agradecer, merecer) — learning nacer gives you the whole family.