The past tense is an essential part of learning Spanish, and you may already know that Spanish has two types of past tenses: the preterite and the imperfect. These two tenses often confuse learners as they may be unsure of when to use each. Additionally, memorizing numerous conjugations can make the learning process even more complicated.
We will go through the Spanish past tenses here, helping you understand how to conjugate the preterite and imperfect tenses and when to use them correctly. Once you grasp these tenses, you’ll find your Spanish has reached a new level.
Spanish Past Tenses Overview
Like in English, past tenses in Spanish are used to describe past events. However, the difference is that there are two main past tenses: the preterite and the imperfect. Each tense serves a distinct purpose and is used in different contexts. Sounds a little bit complicated, right? Let’s dive into each one to understand their unique characteristics and uses.
Preterite Tense (Pretérito perfecto simple)
The preterite tense is used to describe actions that are completed in the past. These actions have a definite beginning and end, making this tense ideal for specific events or instances.
Conjugation Rules
- Regular Verbs
| Subject | -AR Verbs（hablar） | -ER Verbs（comer） | -IR Verbs（vivir） |
| Yo | hablé | comí | viví |
| Tú | hablaste | comiste | viviste |
| Él / Ella / Usted | habló | comió | vivió |
| Nosotros | hablamos | comimos | vivimos |
| Vosotros | hablasteis | comisteis | vivisteis |
| Ellos / Ellas / Ustedes | hablaron | comieron | vivieron |
- Examples of Irregular Verbs
| Subject | ser/ir | hacer | dar | ver |
| Yo | fui | hice | di | vi |
| Tú | fuiste | hiciste | diste | viste |
| Él / Ella / Usted | fue | hizo | dio | vio |
| Nosotros | fuimos | hicimos | dimos | vimos |
| Vosotros | fuisteis | hicisteis | disteis | visteis |
| Ellos / Ellas / Ustedes | fueron | hicieron | dieron | vieron |
Examples of Using Preterite
- Specific, completed actions in the past
- Ayer hablé con mi amigo. (Yesterday, I spoke with my friend.)
- Actions with a clear start and end
- Comimos en un restaurante la semana pasada. (We ate at a restaurant last week.)
Imperfect Tense (Pretérito imperfecto)
The imperfect tense is used to describe ongoing or habitual actions in the past. It emphasizes the process or duration of the action rather than its completion. In addition, the imperfect tense can be used when describing background details like time, weather, and age, as well as situations, things and places in the past.
Conjugation Rules
- Regular Verbs
| Subject | -AR Verbs（hablar） | -ER Verbs（comer） | -IR Verbs（vivir） |
| Yo | hablaba | comía | vivía |
| Tú | hablabas | comías | vvivías |
| Él / Ella / Usted | hablaba | comía | vivía |
| Nosotros | hablábamos | comíamos | vivíamos |
| Vosotros | hablabais | comíais | vivíais |
| Ellos / Ellas / Ustedes | hablaban | comían | vivían |
- Irregular Verbs
| Subject | ser | ir | ver |
| Yo | era | iba | veía |
| Tú | eras | ibas | veías |
| Él / Ella / Usted | era | iba | veía |
| Nosotros | éramos | íbamos | veíamos |
| Vosotros | erais | ibais | veíais |
| Ellos / Ellas / Ustedes | eran | iban | veían |
* Note that the conjugation of the verbs ‘ser’ and ‘ir’ is different for the imperfect tense, but it is the same in the case of the preterite tense.
Examples of Using Imperfect
- Ongoing, habitual actions
- Comíamos pizza todos los viernes. (We used to eat pizza every Friday.)
- Descriptions of background details
- Cuando era niño, siempre hacía sol. (When I was a child, the weather was always sunny.)
Key Differences Between Preterite and Imperfect
| Preterite | Imperfect |
| Completed actions | Ongoing actions |
| Specific events | Habitual actions |
| Definite beginning and end | Background details (time, weather) |
Based on the above understanding, let’s take the following scenario as an example:
Imagine you are at a beach…
- Preterite: Nadé en el mar. (I swam in the sea.)
- Imperfect: El sol brillaba. (The sun was shining.)
Common Mistakes and Tips
1. Mixing up Completed Actions with Ongoing Actions
One of the most common mistakes learners make is confusing completed actions with ongoing actions. For example:
- Preterite: Ayer terminé mi tarea antes de las 5 de la tarde. (Yesterday I finished my homework before 5 pm.)
- Imperfect: Cuando era niño, siempre terminaba mi tarea antes de las 5 de la tarde. (When I was a child, I always finished my homework before 5 pm.)
2. Using the Preterite for Habitual Actions: Another frequent error is using the preterite tense for actions that were habitual.
- Incorrect: Todos los días nadé en la piscina. (Everyday I swam in the pool.)
- Correct: Todos los días nadaba en la piscina. (Everyday I used to swim in the pool.)
The Final Tip
Before finishing up, let’s introduce some magical “trigger words” in Spanish. These words can help you identify whether to use the preterite or imperfect tense. However, keep in mind that these trigger words are not mandatory!
| Preterite Trigger Words | Imperfect Trigger Words | ||
| ayer | yesterday | antes | before |
| anteayer | the day before yesterday | a menudo | often |
| el año pasado | last year | a veces | sometimes |
| el mes pasado | last month | siempre | always |
| la semana pasada | last week | nunca | never |
| el [día de la semana] pasado | last [day of the week] | cada año | every year |
| esta semana | this week | de vez en cuando | from time to time |
| hace | ago | cuando era niño/a | when I was a child |
| anoche | last night | en ese entonces | back then |
| hoy en la mañana | this morning | en ese tiempo | back then |
| En + [año] | in + [year] | mientras | while |
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