Comenzar

to begin

🎯
Infinitive (infinitivo)
Base form of the verb
comenzar
🏃
Gerund (gerundio)
Present participle (-ing form)
comenzando
📋
Past Participle
Used in compound tenses
comenzado

Simple Tenses

Present Indicative (presente de indicativo)
Present actions and habitual activities
PersonConjugation
yo
comienzo
I begin
comienzas
you begin
él/ella/usted
comienza
he/she/you begins
nosotros
comenzamos
we begin
vosotros
comenzáis
you all begin
ellos/ustedes
comienzan
they/you all begin
🕰️
Imperfect Indicative (imperfecto de indicativo)
Ongoing past actions and descriptions
PersonConjugation
yo
comenzaba
I used to begin
comenzabas
you used to begin
él/ella/usted
comenzaba
he/she/you used to begin
nosotros
comenzábamos
we used to begin
vosotros
comenzabais
you all used to begin
ellos/ustedes
comenzaban
they/you all used to begin
📅
Preterit (pretérito)
Completed past actions
PersonConjugation
yo
comenzé
I begun
comenzaste
you begun
él/ella/usted
comenzó
he/she/you begun
nosotros
comenzamos
we begun
vosotros
comenzasteis
you all begun
ellos/ustedes
comenzaron
they/you all begun
🔮
Future (futuro)
Future actions and intentions
PersonConjugation
yo
comenzaré
I will begin
comenzarás
you will begin
él/ella/usted
comenzará
he/she/you will begin
nosotros
comenzaremos
we will begin
vosotros
comenzaréis
you all will begin
ellos/ustedes
comenzarán
they/you all will begin
🎯
Conditional (potencial simple)
Hypothetical and conditional actions
PersonConjugation
yo
comenzaría
I would begin
comenzarías
you would begin
él/ella/usted
comenzaría
he/she/you would begin
nosotros
comenzaríamos
we would begin
vosotros
comenzaríais
you all would begin
ellos/ustedes
comenzarían
they/you all would begin
💭
Present Subjunctive (presente de subjuntivo)
Subjective present actions and desires
PersonConjugation
yo
comience
that I begin
comiences
that you begin
él/ella/usted
comience
that he/she/you begin
nosotros
comencemos
that we begin
vosotros
comencéis
that you all begin
ellos/ustedes
comiencen
that they/you all begin
🌙
Imperfect Subjunctive (imperfecto de subjuntivo)
Subjective past actions and hypothetical situations
PersonConjugation
yo
comenzara
or
comenzase
that I begun
comenzaras
or
comenzases
that you begun
él/ella/usted
comenzara
or
comenzase
that he/she/you begun
nosotros
comenzáramos
or
comenzásemos
that we begun
vosotros
comenzarais
or
comenzaseis
that you all begun
ellos/ustedes
comenzaran
or
comenzasen
that they/you all begun

Compound Tenses

Present Perfect (perfecto de indicativo)
Actions completed recently or with present relevance
PersonConjugation
yo
he comenzado
I have begun
has comenzado
you have begun
él/ella/usted
ha comenzado
he/she/you have begun
nosotros
hemos comenzado
we have begun
vosotros
habéis comenzado
you all have begun
ellos/ustedes
han comenzado
they/you all have begun
Pluperfect Indicative (pluscuamperfecto de indicativo)
Actions completed before another past action
PersonConjugation
yo
había comenzado
I had begun
habías comenzado
you had begun
él/ella/usted
había comenzado
he/she/you had begun
nosotros
habíamos comenzado
we had begun
vosotros
habíais comenzado
you all had begun
ellos/ustedes
habían comenzado
they/you all had begun
📍
Preterit Perfect (pretérito anterior)
Actions completed immediately before another past action
PersonConjugation
yo
hube comenzado
I had begun
hubiste comenzado
you had begun
él/ella/usted
hubo comenzado
he/she/you had begun
nosotros
hubimos comenzado
we had begun
vosotros
hubisteis comenzado
you all had begun
ellos/ustedes
hubieron comenzado
they/you all had begun
🎊
Future Perfect (futuro perfecto)
Actions that will be completed by a future time
PersonConjugation
yo
habré comenzado
I will have begun
habrás comenzado
you will have begun
él/ella/usted
habrá comenzado
he/she/you will have begun
nosotros
habremos comenzado
we will have begun
vosotros
habréis comenzado
you all will have begun
ellos/ustedes
habrán comenzado
they/you all will have begun
🔄
Conditional Perfect (potencial compuesto)
Actions that would have been completed under certain conditions
PersonConjugation
yo
habría comenzado
I would have begun
habrías comenzado
you would have begun
él/ella/usted
habría comenzado
he/she/you would have begun
nosotros
habríamos comenzado
we would have begun
vosotros
habríais comenzado
you all would have begun
ellos/ustedes
habrían comenzado
they/you all would have begun
💫
Subjunctive Present Perfect (perfecto de subjuntivo)
Subjective actions completed in relation to the present
PersonConjugation
yo
haya comenzado
that I have begun
hayas comenzado
that you have begun
él/ella/usted
haya comenzado
that he/she/you have begun
nosotros
hayamos comenzado
that we have begun
vosotros
hayáis comenzado
that you all have begun
ellos/ustedes
hayan comenzado
that they/you all have begun
🌌
Subjunctive Past Perfect (pluscuamperfecto de subjuntivo)
Subjective actions completed before another past action
PersonConjugation
yo
hubiera comenzado
that I had begun
hubieras comenzado
that you had begun
él/ella/usted
hubiera comenzado
that he/she/you had begun
nosotros
hubiéramos comenzado
that we had begun
vosotros
hubierais comenzado
that you all had begun
ellos/ustedes
hubieran comenzado
that they/you all had begun
Commands (imperativo)
Commands and direct orders
PersonCommandEnglish
comenza
begin! (you)
usted
comenze
begin! (you formal)
nosotros
comenzemos
let's begin!
vosotros
comenzad
begin! (you all)
ustedes
comenzen
begin! (you all)
🚫
Negative Commands (imperativo negativo)
Negative commands and prohibitions
PersonCommandEnglish
no comenzes
don't begin! (you)
usted
no comenze
don't begin! (you formal)
nosotros
no comenzemos
let's not begin!
vosotros
no comenzéis
don't begin! (you all)
ustedes
no comenzen
don't begin! (you all)

More About "comenzar"

Idiomatic Expressions

comenzar de cero

to start from scratch

💡 Beginning again with nothing

para comenzar

to begin with / first of all

💡 Introducing the first point

Examples in Context

La película comienza a las ocho.

The movie begins at eight.

Present

Comenzamos el trabajo esta mañana.

We started the work this morning.

Preterite

Ha comenzado a llover.

It has started to rain.

Present Perfect

Comenzaré mañana sin falta.

I will start tomorrow without fail.

Future
Synonyms & Antonyms

Synonyms:

empezar(to begin, start)

Completely interchangeable

iniciar(to initiate, start)

More formal

Antonyms:

terminar(to finish)
acabar(to end)
Usage Notes
  • Comenzar is a stem-changing verb: e→ie (comienzo, comienzas)
  • Spelling change in preterite first person: comencé (z→c before e)
  • Completely interchangeable with "empezar"
  • Often followed by "a" + infinitive: comenzar a trabajar
  • Present subjunctive: comience (with z→c spelling change)