The Conditional and the
Conditional of Probability
(El condicional y el condicional de probabilidad)
In Spanish, the conditional of regular verbs is
formed by adding the imperfect endings for -er
and -ir verbs to the infinitive. The same endings
are used for -ar, -er, and -ir verbs.
hablaría
hablar íamos
hablar ías
hablaríais
hablar ía
hablarían
Again, the infinitive is the basis for all forms of regular
verbs.
Notice that all forms carry a written accent over the i.
The Conditional Tense
Notice the following chart:
tomar
yo
tú
él, ella, Ud.
nosotros/as
vosotros/as
ellos/as, Uds.
tomaría
tomarías
tomaría
tomaríamos
tomaríais
tomarían
comer
comería
comerías
comería
comeríamos
comeríais
comerían
vivir
viviría
vivirías
viviría
viviríamos
viviríais
vivirían
The Conditional Tense
The conditional expresses what you would do under
certain circumstances.
¿Reciclarías envases de aluminio?
Would you recycle aluminum cans?
Consumiríamos menos agua.
We would consume less water.
The Conditional Tense
The conditional is also used when the speaker is
referring to an event that is future to another past event.
In the future tense, we might say . . .
Mañana en la clase,
hablaré con el profesor,
leeré un cuento chistoso, y
escribiré unas frases.
The Conditional Tense
The conditional is also used when the speaker is
referring to an event that is future to another past event.
In the conditional tense, we would say . . .
Ayer te dije que hoy,
hablaré
ía con
con el
el profesor,
profesor,
leeré
ía un
un cuento
cuento chistoso,
chistoso, yy
escribiré
ía unas frases.
The Conditional Tense
The conditional is also used when the speaker is
referring to an event that is future to another past event.
More examples:
Creíamos que habría más gente
protestando enfrente de la planta nuclear.
We thought there would be more people
protesting in front of the nuclear plant.
Nos dijo que no contaminarían el agua.
He told us they wouldn’t pollute the
water.
A Time Line
the preterit
(ayer)
the conditional
(future in relation
to the past)
the present
Te dije ayer que
hablaría con Juan.
the present
Yo hablaré con Juan.
 Toward the past
Toward the future 
The Conditional Tense
The verb deber, when used in the conditional tense, is
equivalent to the English should + infinitive.
Deberías conservar recursos.
You should conserve resources.
Deberíamos hablar con el jefe lo antes
posible.
We should speak with the boss as soon
as possible.
Irregular Verbs in the Conditional Tense
The conditional has the same irregular stems as
the future.
1. Drop two letters to form the stem of the future.
decir
decir
-
hacer
ha cer
-
diría
dirías
diría
haría
harías
haría
diríamos
diríais
dirían
haríamos
haríais
harían
Irregular Verbs in the Conditional Tense
The conditional has the same irregular stems as
the future.
2. The e of the infinitive ending is dropped to form
the stem of the future.
haber
poder
querer
saber
haberpoderquerersaber-
habría, habrías, . . .
podría, podrías, . . .
querría, querrías, . . .
sabría, sabrías, . . .
Irregular Verbs in the Conditional Tense
The conditional has the same irregular stems as
the future.
3. The e or the i of the infinitive ending is replaced
by d to form the stem of the future.
poner
salir
tener
venir
pondersaldir tendervendir -
pondré, pondrás, . . .
saldré, saldrás, . . .
tendré, tendrás, . . .
vendré, vendrás, . . .
A Special Use of the Conditional Tense
Probability or conjecture with regard to the past is
often expressed in Spanish with the conditional.
¿A que hora sería la conferencia de prensa?
I wonder at what time the press
conference was.
Sería a las cuatro.
It was probably at four.
FIN
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The conditional and the conditional of probability