La formación del
subjuntivo
Español 4 AP/IB
To form the subjunctive in the
present:
 Pongo
 It doesn’t matter whether
the “yo” form is regular or
irregular. To form the
present subjunctive, you
have to start there.
 Digo
 Exceptions:
 Miro
 Dar
 Caigo
 Estar
 Empiezo
 Haber
 Corro
 Saber
 You MUST know the “yo”
form of the verb:
 Ser
 Ir
Here’s what you do:
 To form the “yo” form in
the subjunctive:
 It’s similar to negative
“tú”, and positive &
negative “usted/ustedes”
commands.
1. Take the “yo”
2. Drop the “o”
3. Add the opposite ending:
tener →tengo →teng
→tenga
 poner→pongo →pong →ponga
 After that it’s ponga, pongas, ponga,
pongamos, pongan
 How do you know
what the opposite
ending is?
 If it’s an –ar verb,
the opposite ending
is e.
 If it’s an –er or –ir
verb, the opposite
ending is a.
 correr →corro →corr →corra: corra,
corras, corra, corramos, corran
 nadar →nado →nad →nade: nade,
nades, nade, nademos, naden
 escribir →escribo →escrib →escriba:
escriba, escribas, escriba, escribamos,
escriban
 traer →traigo →traig →traiga: traiga,
traigas, traiga, traigamos, traigan
 The irregulars are
the same as
irregular negative
tú & usted/ustedes
commands:
 Estar: esté
 Dar: dé
 Ir: vaya
 Haber: haya
 Saber: sepa
 Ser: sea
Formation of the Imperfect Subjunctive
Here’s what you do:
Take the preterite form of
ustedes/ellos:
Drop the –ron at the end, add
these endings:
ra, ras, ra, ramos, ran
This works EVERY TIME. There
are NO irregulars. Yes, none.
Even the weirdest verbs are
done in that way.
You do have to know the
pereterite ellos/ustedes form,
however.
The nosotros form takes an
accent on the 3rd to the last
syllable (follows rules of
stress).
 Ejemplos:
 fueron →fuera: fuera,
fueras, fuera, fuéramos,
fueran
 dijeron → dijera, dijeras,
dijera, dijéramos, dijeran
 durmieron →durmiera,
durmieras, durmiera,
durmiéramos, durmieran
 dieron →diera, dieras,
diera, diéramos, dieran
 pudieron →pudiera,
pudieras, pudiera,
pudiéramos, pudieran
 Etc…
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Subjunctive Conjugation PPT.