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decir conjugation model

dec ir + dic es + dic iendo + dig a + dij era + dir ía + pp. dicho + imperative di A verb's Stem Formula shows one example form for every stem the verb uses, plus any exceptions.
→ decir conjugation table

For predecir, the Future stem is optional (both prediré and predeciré are acceptable).

The RAE includes bendecir in the decir model, but we include it as a separate model because it has regular Future stems (bendeciré, not "bendiré") and regular participles (bendecido not "bendicho").

2 verbs out of the top 350 Spanish verbs conjugate like decir:

InfinitiveBootGerundSubjunctivePreterite-JFutureParticiple
predecirpredicesprediciendopredigapredijeraprediríapredicho
contradecircontradicescontradiciendocontradigacontradijeracontradiríacontradicho

4 uncommon Spanish verbs conjugate like decir:

InfinitiveBootGerundSubjunctivePreterite-JFutureParticiple
desdecirdesdicesdesdiciendodesdigadesdijeradesdiríadesdicho
condecircondicescondiciendocondigacondijeracondiríacondicho
entredecirentredicesentrediciendoentredigaentredijeraentrediríaentredicho
redecirredicesrediciendoredigaredijerarediríaredicho
→ RAE decir model page

These conjugation tables are generated with seven-stems-conjugator, the open-source Python conjugation engine behind Seven Stems.