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The Color Code

To help you understand how regular verbs are built, we've broken each word into three parts:

1. Raíz (Stem)

The black part (e.g., habl-, com-, viv-) contains the core meaning of the verb.

2. Vocal Temática (Thematic vowel)

The red part (a, e, i, ie) tells us which group the conjugation belongs to (-AR, -ER, -IR).

3. Desinencia (Ending)

The light blue part (e.g., -o, -s, -mos) is the ending. It tells us who is doing the action and when.

Summary Chart
TypeFormation or EndingExamples
Regular -ar participles-adohablado, trabajado, terminado
Regular -er/-ir participles-idocomido, aprendido, vivido
Regular forms with hiatus-ídoleído, caído, oído, traído
Irregular participles-chodicho, hecho, satisfecho
Irregular participles-soimpreso, preso
Irregular participles-toabierto, escrito, roto, vuelto
Verbs with two participlesregular + irregularimprimido/impreso, freído/frito
1Regular Participles of -AR Verbs

verb stem + -ado

InfinitiveRegular ParticipleEnglish
acabaracabadofinished
aceptaraceptadoaccepted
acompañaracompañadoaccompanied
acordaracordadoagreed
acostumbraracostumbradoaccustomed
actuaractuadoacted
ayudarayudadohelped
bailarbailadodanced
bajarbajadolowered / gone down
buscarbuscadosearched for
cambiarcambiadochanged
caminarcaminadowalked
cancelarcanceladocancelled
cantarcantadosung
cerrarcerradoclosed
cocinarcocinadocooked
comenzarcomenzadobegun
comprarcompradobought
contarcontadocounted / told
contestarcontestadoanswered
continuarcontinuadocontinued
crearcreadocreated
dejardejadoleft
descansardescansadorested
deseardeseadodesired
encontrarencontradofound
enseñarenseñadotaught / shown
entrarentradoentered
enviarenviadosent
escucharescuchadolistened to
esperaresperadowaited for / expected
estudiarestudiadostudied
explicarexplicadoexplained
ganarganadowon / earned
guardarguardadokept / stored
hablarhabladospoken
intentarintentadoattempted
llamarllamadocalled
llegarllegadoarrived
llevarllevadocarried / taken
mandarmandadosent / ordered
mirarmiradolooked at
mostrarmostradoshown
necesitarnecesitadoneeded
olvidarolvidadoforgotten
organizarorganizadoorganized
pagarpagadopaid
pasarpasadopassed / spent
pensarpensadothought
preguntarpreguntadoasked
prepararpreparadoprepared
quedarquedadoremained
recordarrecordadoremembered
regresarregresadoreturned
reservarreservadoreserved
sacarsacadotaken out
terminarterminadofinished
tocartocadotouched / played
tomartomadotaken / drunk
trabajartrabajadoworked
usarusadoused
viajarviajadotravelled
visitarvisitadovisited
2Regular Participles of -ER and -IR Verbs

verb stem + -ido

InfinitiveRegular ParticipleEnglish
aprenderaprendidolearned
asistirasistidoattended / assisted
beberbebidodrunk
caercaídofallen
comercomidoeaten
compartircompartidoshared
comprendercomprendidounderstood
conocerconocidoknown / met
conseguirconseguidoobtained
construirconstruidobuilt
corrercorridorun
creercreídobelieved
cumplircumplidofulfilled
deberdebidoowed
decidirdecididodecided
dependerdependidodepended
discutirdiscutidodiscussed / argued
dividirdivididodivided
dormirdormidoslept
entenderentendidounderstood
existirexistidoexisted
haberhabidoexisted / occurred
huirhuidofled
incluirincluidoincluded
insistirinsistidoinsisted
iridogone
leerleídoread
mantenermantenidomaintained
mentirmentidolied
oíroídoheard
partirpartidoleft / divided
pedirpedidoasked for
perderperdidolost
permitirpermitidoallowed
preferirpreferidopreferred
producirproducidoproduced
recibirrecibidoreceived
reírreídolaughed
repetirrepetidorepeated
responderrespondidoanswered
salirsalidogone out / left
seguirseguidofollowed / continued
sentirsentidofelt
sersidobeen
servirservidoserved
sonreírsonreídosmiled
subirsubidogone up / uploaded
sufrirsufridosuffered
temertemidofeared
tenertenidohad
traertraídobrought
vendervendidosold
venirvenidocome
vivirvividolived
Participles Written with -ído

When the verb stem ends in certain vowels, the í of the participle receives a written accent to preserve the hiatus. However, forms containing ui generally do not carry an accent (e.g. construido, incluido, huido).

caer → caídocreer → creídoleer → leídooír → oídoreír → reídosonreír → sonreídotraer → traído
3Irregular Participles
Terminación -CHO
InfinitiveParticipleEnglish
decirdichosaid
contradecircontradichocontradicted
predecirpredichopredicted
desdecirdesdichoretracted
hacerhechodone / made
deshacerdeshechoundone
rehacerrehechoredone
satisfacersatisfechosatisfied
Terminación -SO
InfinitiveParticipleEnglish
imprimirimpresoprinted
prenderpresoarrested / imprisoned
Otros Irregulares (-TO)
InfinitiveParticipleEnglish
elegirelectoelected
freírfritofried
morirmuertodied / dead
proveerprovistoprovided
romperrotobroken
sofreírsofritolightly fried
vervistoseen
preverprevistoforeseen
Terminación -TO (Derivados)
InfinitiveParticipleEnglish
abrir
abrirabiertoopened
entreabrirentreabiertohalf-opened
reabrirreabiertoreopened
cubrir
cubrircubiertocovered
descubrirdescubiertodiscovered
encubrirencubiertoconcealed
recubrirrecubiertocoated
escribir
escribirescritowritten
adscribiradscritoassigned
describirdescritodescribed
inscribirinscritoregistered
prescribirprescritoprescribed
transcribirtranscritotranscribed
suscribirsuscritosubscribed
poner
ponerpuestoput / placed
anteponerantepuestoplaced before
componercompuestocomposed
descomponerdescompuestobroken down
disponerdispuestoarranged
exponerexpuestoexposed
imponerimpuestoimposed
oponeropuestoopposed
posponerpospuestopostponed
proponerpropuestoproposed
reponerrepuestoreplaced
suponersupuestosupposed
resolver
resolverresueltoresolved
absolverabsueltoabsolved
disolverdisueltodissolved
volver
volvervueltoreturned
devolverdevueltoreturned
envolverenvueltowrapped
revolverrevueltostirred
desenvolverdesenvueltounwrapped
4Verbs with Two Participles
InfinitiveRegularIrregularCommon Usage
elegirelegidoelectoHan elegido al presidente. / El presidente electo.
reelegirreelegidoreelectoLo han reelegido. / El gobernador reelecto.
freírfreídofritoBoth are accepted: He freído/frito las papas.
refreírrefreídorefritoBoth forms occur; refrito is common adjectivally.
sofreírsofreídosofritoBoth can form compound tenses; only sofrito is normally used adjectivally.
imprimirimprimidoimpresoBoth are accepted: He imprimido/impreso el documento.
prenderprendidopresoPrendido is preferred with haber; preso is common adjectivally.
proveerproveídoprovistoBoth are accepted: Se han proveído/provisto de alimentos.
bendecirbendecidobenditoBendecido is preferred as the verbal participle; bendito is mostly adjectival.
maldecirmaldecidomalditoMaldecido is preferred as the verbal participle; maldito is mostly adjectival.
What Is a Participle?

The participle is a non-finite form of the verb. Semantically, it normally presents an action, process, or situation as completed or as having produced a result.

The irregular participles form a relatively limited group, while the regular pattern (-ado, -ido) applies to the great majority of Spanish verbs.

5Participles in Compound Tenses

Participles combine with haber to form compound tenses. When the participle is used with haber, it is invariable (no gender/number agreement).

  • He terminado. (I have finished.)
  • Había terminado. (I had finished.)
  • Habré terminado. (I will have finished.)
Invariable with haber:✅ Ellas han escrito varias cartas.
❌ Ellas han escritas varias cartas.
6Participles Used as Adjectives

When a participle functions as an adjective or forms part of a passive or resultative construction, it normally agrees in gender and number with the noun.

No agrmnt:Ellos han cerrado las ventanas.
Agreement:Las ventanas están cerradas.
7Important Forms to Avoid

The following regularized forms are common among learners and children, but they do not belong to standard formal Spanish.

abridoabierto
cubridocubierto
decidodicho
escribidoescrito
hacidohecho
moridomuerto
ponidopuesto
resolvidoresuelto
rompidoroto
veridovisto
volvidovuelto
8Rioplatense Regional Note

In Argentina, Uruguay, and Paraguay, several participles derived from verbs ending in -scribir frequently appear with -scripto (e.g. descripto, inscripto, transcripto) rather than -scrito.

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