supe/supiste/supo/supimos/supieron
Preterite of Saber
The preterite of saber means 'found out' or 'learned' about something.
How It Works
The verb saber is irregular in the preterite tense. More importantly, its meaning changes significantly compared to the present or imperfect tenses.
While sabía (imperfect) means 'I knew' (a continuous state of knowledge in the past), supe (preterite) means 'I found out' or 'I learned' (the specific action of discovering the information).
Conjugation:
- yo supe
- tú supiste
- él/ella/usted supo
- nosotros/as supimos
- vosotros/as supisteis
- ellos/ellas/ustedes supieron
Think of it this way:
- Imperfect (sabía): Describes a background state. 'I already had the information.'
Yo ya sabía la respuesta. (I already knew the answer.) - Preterite (supe): Describes an event. 'I received the information at that moment.'
Anoche supe la respuesta. (Last night I found out the answer.)
This meaning shift is common with certain verbs in the preterite, which focus on the beginning or end of an action.
Examples (5)
- Ayer supe que te mudas.
Yesterday I found out that you are moving.
Word by Word: Yesterday I-found-out that you move.
- ¿Cuándo supiste la verdad?
When did you find out the truth?
Word by Word: When you-found-out the truth?
- Ella no supo qué decir.
She didn't know what to say.
This implies that at that specific moment, she couldn't come up with the words. It's treated as a completed event.
- Supimos del accidente por las noticias.
We found out about the accident from the news.
Word by Word: We-found-out of-the accident through the news.
- En cuanto vieron el regalo, supieron quién lo había enviado.
As soon as they saw the gift, they knew (found out) who had sent it.
Word by Word: As soon as they-saw the gift, they-found-out who had sent it.
Common Mistakes
Confusing 'found out' (preterite) with 'knew' (imperfect).
Yo supe su dirección por muchos años.Yo sabía su dirección por muchos años.Use sabía (imperfect) to describe a state of knowing something over a period of time. Use supe (preterite) for the single event of discovering or learning the information.
How It Connects
Learn This First
To learn the preterite of saber, you need to be familiar with the standard preterite endings for -ER verbs and the basic meaning of the verb saber. Additionally, recognizing the 'U-stem' pattern found in other irregular verbs like tener will help you memorize the stem change from 'sab-' to 'sup-'.
- sé/sabes/sabe/sabemos/sabenSaber Present Tense
Understanding the base meaning and present tense usage of the verb saber is necessary before learning its irregular past forms.
Level 1 - tuve/tuviste/tuvo/tuvimos/tuvieronPreterite of Tener
Saber belongs to the 'U-stem' group of irregular preterites (sup-); learning other U-stem verbs like tener (tuv-) helps identify this morphological pattern.
Level 2
Related Patterns
- saber / conocerKnow (Facts vs. Familiarity)
This is the base verb. Understanding the fundamental difference between saber (to know facts) and conocer (to be familiar with) is essential before learning its tense-based meaning changes.
Level 1 - Preterite for Completion
Supe is the preterite form of saber. The meaning change to 'found out' is a direct result of applying the preterite's sense of a completed, single event to the act of knowing.
Level 2 - -ía/-ías/-ía/-íamos/-íais/-ían (imperfecto)Imperfect -ER/-IR Verbs
The imperfect form, sabía, provides the crucial contrast. While supe is 'I found out' (an event), sabía is 'I knew' (a state), which is a typical use of the imperfect tense.
Level 2 - quise/quisiste/quiso/quisimos/quisieronPreterite of Querer
Like saber, querer also changes meaning in the preterite. Quería means 'I wanted' (a state), while quise means 'I tried' (an action). This shows a pattern of meaning-changing verbs in the preterite.
Level 2 - pude/pudiste/pudo/pudimos/pudieronPreterite of Poder
Another verb that changes meaning in the preterite. Podía means 'I was able to' (a general ability), while pude means 'I managed to/succeeded in' (a completed action). This reinforces the concept of preterite forms indicating a specific event or outcome.
Level 2