La Gramática
El Imperfecto y el Pretérito
Here are all three regular preterite verb forms together:
hablar
hablé
hablaste
habló
hablamos
hablasteis
hablaron |
comer
comí
comiste
comió
comimos
comisteis
comieron |
vivir
viví
viviste
vivió
vivimos
vivisteis
vivieron |
Note: The nosotros forms for -ar and -ir verbs are the same in both preterite and present tenses: hablamos, vivimos.
Here are all three regular imperfect verb forms together:
hablar
hablaba
hablabas
hablaba
hablábamos
hablabais
hablaban |
comer
comía
comías
comía
comíamos
comíais
comían |
vivir
vivía
vivías
vivía
vivíamos
vivíais
vivían |
Generally speaking, the preterite is used for actions in the past that are seen as completed, while the imperfect tense is used for past actions that did not have a definite beginning or a definite end.
Juan habló dos horas.
Juan spoke two hours.
(action completed)
Las chicas hablaban en inglés.
The girls used to speak in English.
(no definite beginning or end)
Another way to view this is that the preterite tells us specifically when an action took place, while the imperfect tells us in general when an action took place.
The preterite is used in the following situations:
- For actions that can be viewed as single events
- For actions that were repeated a specific number of times
- For actions that occurred during a specific period of time
- For actions that were part of a chain of events
- To state the beginning or the end of an action
The imperfect is used in the following situations:
- For actions that were repeated habitually
- For actions that "set the stage" for another past action
- For telling time
- For stating one's age
- For mental states (usually)
- For physical sensations (usually)
- To describe the characteristics of people, things or conditions
There are only three irregular verbs in the imperfect:
ser
era
eras
era
éramos
erais
eran |
ir
iba
ibas
iba
íbamos
ibais
iban |
ver
veía
veías
veía
veíamos
veíais
veían |
Some words and phrases indicate specific time frames, and therefore signal the use of the preterite.
ayer (yesterday)
anteayer (the day before yesterday)
anoche (last night)
desde el primer momento (from the first moment)
durante dos siglos (for two centuries)
el otro día (the other day)
en ese momento (at that moment)
entonces (then)
esta mañana (this morning)
esta tarde (this afternoon)
la semana pasada (last week)
el mes pasado (last month)
el año pasado (last year)
hace dos días, años (two days, years ago)
ayer por la mañana (yesterday morning)
ayer por la tarde (yesterday afternoon)
Other words and phrases indicate repetitive, vague or non-specific time frames, and therefore signal the use of the imperfect.
a menudo (often)
a veces (sometimes)
cada día (every day)
cada semana (every week)
cada mes (every month)
cada año (every year)
con frecuencia (frequently)
de vez en cuando (from time to time)
en aquella época (at that time)
frecuentemente (frequently)
generalmente (usually)
muchas veces (many times)
mucho (a lot)
nunca (never)
por un rato (for awhile)
siempre (always)
tantas veces (so many times)
todas las semanas (every week)
todos los días (every day)
todo el tiempo (all the time)
varias veces (several times)
Some verbs actually change meaning, depending upon whether they are used in the preterite or the imperfect. This is not surprising, since the difference in meaning can be traced back to the different way in which these two past tenses are used. conocer
Conocí a Juan hace cinco años.
I met Juan five years ago.
(completed action)
En aquella época conocíamos muy bien la ciudad.
At that time we knew the city very well.
(no definite beginning or end)
querer
María quiso comprar la casa.
Maria tried to buy the house.
(completed action)
Juan quería comprar la casa.
Juan wanted to buy the house.
(no definite beginning or end)
no querer
María no quiso comprar la casa.
Maria refused to buy the house.
(completed action)
Juan no quería comprar la casa.
Juan did not want to buy the house.
(no definite beginning or end)
saber
María lo supo ayer.
Maria found out yesterday.
(completed action)
Juan sabía que María venía.
Juan knew that Maria was coming.
(no definite beginning or end)
poder
María pudo levantar la mesa.
Maria succeeded in lifting the table.
(completed action)
Juan podía participar en la manifestación.
Juan was able to participate in the demonstration.
(no definite beginning or end)
tener
María tuvo una carta de su mamá.
Maria received a letter from her mom.
(completed action)
Juan tenía un coche nuevo.
Juan used to have a new car.
(no definite beginning or end)
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