What does the preterite tense express?
The preterite tense expresses completed past actions (done and over with). This can include:
Conjugate “estar” into the preterite indicative:
estar -
estuve
estuviste
estuvo
estuvimos
estuvisteis
estuvieron
What does “estar” express in the preterite?
Much the same that it does in the present indicative. It is used for expressions of location, health, and changing moods or conditions.
Estuvimos en la escuela a las once esta manana.
We were in school at 11 this morning.
Mi amigo estuvo con gripe el mes pasado, pero esta bien hoy.
My friend was sick with the flu for the past month, but he is better today.
Estuviste de mal humor ayer?
Were you in a bad mood yesterday?
Conjugate “ser” into the preterite indicative:
ser -
fui
fuiste
fue
fuimos
fuisteis
fueron
What does “ser” express in the preterite?
It is mostly used for expressions of profession and identification.
Antonio fue medico de nuestro pueblo.
Tony was a doctor in our town.
Fue un buen hombre.
He was a good man.
Preterite Ser vs. Estar: The Descriptive Judgement
For all intensive purposes, either “ser” or “estar” used in the preterite are both “correct.” However, there is technically a subtle difference, mainly having to do with the feeling of certainty on part of the speaker. “Ser” asserts a categorical judgement, while “estar” expresses a more nuanced understanding that judges a situation from a self-aware, circumstantial point of view.
What does the imperfect tense express?
The imperfect tense expresses actions in the past that are not seen as “complete.” Such as:
Conjugate “estar” into the imperfect indicative tense:
estar -
estaba
estabas
estaba
estabamos
estabais
estaban
What does “estar” express in the imperfect?
Location, health, changing mood or condition, personal opinion about food or appearances in a less definite way.
Los enamorados estaban a la sombra de un arbol.
The lovers were in the shade of a tree.
Las pacientes estaban en el hospital porque estaban enfermas.
The patients were in the hospital because they were sick.
La comida estaba buena.
The food was good.
Conjugate “ser” into the imperfect indicative:
ser -
era
eras
era
eramos
erais
eran
What does “ser” express in the imperfect?
Most past tense uses of ser occur in the imperfect (as opposed to the preterite). It is used for descriptions, point of origin, telling time, and identification in a more indefinite sense.
La casa era blanca.
The house was white.
El hombre era de Peru.
The man was from Peru.
Eran las cinco y Federico iba a la tienda por ultima vez.
It was five and Fred was going to the store for the last time.
Era un buen hombre.
He was a good man.
What are the stem endings for a preterite -AR verb?
é
aste
ó
amos
asteis
aron
What are the stem endings for a preterite -AR verb?
í
iste
ió
imos
isteis
ieron
What is the preterite form of “haber”?
Hubo
What are the stem endings for an imperfect -AR verb?
aba
abas
aba
ábamos
abais
aban
What are the stem endings for an imperfect -ER or -IR verb?
ía
ías
ía
íamos
íais
ían
What is the imperfect form of “haber”?
había
Conjugate the verb “ir” into the imperfect indicative:
iba
ibas
iba
ibamos
ibais
iban
Conjugate the verb “ver” into the imperfect indicative:
veía
veías
veía
veíamos
veíais
veían
Conjugate the verb “ser” into the imperfect indicative:
era
eras
era
eramos
erais
eran
What are the ideal differences between the preterite and the imperfect?
The preterite is used to express “completed and over” actions.
The imperfect is used to express actions and conditions in the past that are seen as habitual or ongoing.
General guidelines for using the preterite against the imperfect:
Comimos en ese restaurante la semana pasada.
We ate in that restaurant last week.
La cena comenzó a las nueve, pero no terminó hasta medianoche.
Dinner started at nine, but it didn’t end until midnight.
Manuel estuvo enfermo por dos semanas, después de comer en ese restaurante, pero ahora está bien.
Manuel was sick for two weeks after eating in that restaurant, but now he is well.
Ya comíamos el postre cuando por fin Miguel llegó al restaurante.
We were eating dessert when Miguel finally arrived at the restaurant.
General guidelines for using the imperfect against the preterite:
Comíamos en ese restaurante todos las semanas.
We used to eat/ate in that restaurant every week.
Cenábamos desde las nueve hasta medianoche.
We were eating from 9 until midnight.
El restaurante era famoso por su comida latinoamericana y estábamos muy contentos con los platos que pedimos.
The restaurant was famous for its Latin American food and we were very happy with the plates that we ordered.
Ya comíamos el postre cuando por fin Miguel llegó al restaurante.
We were eating dessert when Miguel finally arrived at the restaurant.
Here are some context words typically used with the preterite:
de repente - suddenly por fin - finally ayer - yesterday la semana pasada - last week el mes pasado - last month el año pasado - last year una vez - once dos veces - twice