Spanish preterite irregular verbs are used for completed past actions, just like regular preterite verbs—but their stems or complete forms do not follow the standard -ar, -er and -ir patterns. Learning a few recurring groups is much easier than memorizing every verb separately.
Quick examples: Ayer tuve una clase de español. — Yesterday I had a Spanish class. La profesora hizo una pregunta. — The teacher asked a question. Después fuimos a la playa. — Afterwards we went to the beach.
This guide explains the most useful irregular patterns, includes the forms commonly used in El Salvador, Latin America and Spain, and finishes with six free exercises and a complete answer key. In Spain, this tense is also commonly called the pretérito perfecto simple; in many teaching materials you will see pretérito indefinido.
What Makes a Spanish Preterite Verb Irregular?
A verb is irregular in the preterite when it changes its stem, uses special endings or has a completely different set of forms. The good news is that many high-frequency verbs share the same six endings.
If you are not yet comfortable with the regular endings, review our Spanish preterite regular verbs guide first.
Three Irregular Preterite Patterns to Learn
1. Irregular stems with shared endings
Verbs such as tener, estar, poder, poner, saber, querer, venir and hacer use an irregular stem plus the following endings. Unlike many regular preterite forms, these endings carry no written accent marks.
| Subject | Ending |
|---|---|
| yo | -e |
| tú / vos | -iste |
| él / ella / usted | -o |
| nosotros/as | -imos |
| vosotros/as | -isteis |
| ellos / ellas / ustedes | -ieron |
Example with tener: tuve, tuviste, tuvo, tuvimos, tuvisteis, tuvieron.
2. J-stem verbs
Decir, traer and verbs ending in -ducir use a stem ending in j. Their third-person plural ending is -eron, not -ieron: dijeron, trajeron, condujeron.
3. Completely irregular forms
Ser and ir share the same preterite forms: fui, fuiste, fue, fuimos, fuisteis, fueron. Context tells you whether the meaning is “was/were” or “went.” The short verbs dar and ver also use special forms without written accents: di, diste, dio and vi, viste, vio.
El Salvador, Latin America and Spain
In El Salvador, vos is common in informal conversation. In the standard preterite it uses the same form shown here for tú: vos dijiste, vos estuviste, vos hiciste. Across most of Latin America, ustedes is used for plural “you” and takes the third-person plural form.
In Spain, learners also need vosotros/as: dijisteis, estuvisteis, hicisteis, fuisteis. We include these forms throughout the article so you can understand Spanish from both sides of the Atlantic.
Watch the Spanish Preterite Lesson
Use the video below as a short review of when the preterite is used. Then continue with the irregular verb groups and examples.
Essential Spanish Preterite Irregular Verbs
Start with the verbs you will hear and use most often. Focus on the irregular stem first, then attach the shared endings.
- tener → tuv-: tuve, tuviste, tuvo, tuvimos, tuvisteis, tuvieron
- estar → estuv-: estuve, estuviste, estuvo, estuvimos, estuvisteis, estuvieron
- hacer → hic-: hice, hiciste, hizo, hicimos, hicisteis, hicieron
- querer → quis-: quise, quisiste, quiso, quisimos, quisisteis, quisieron
- decir → dij-: dije, dijiste, dijo, dijimos, dijisteis, dijeron
- venir → vin-: vine, viniste, vino, vinimos, vinisteis, vinieron
- poder → pud-: pude, pudiste, pudo, pudimos, pudisteis, pudieron
- poner → pus-: puse, pusiste, puso, pusimos, pusisteis, pusieron
- saber → sup-: supe, supiste, supo, supimos, supisteis, supieron
Ser and Ir Share the Same Preterite Forms
| Subject | ser / ir |
|---|---|
| yo | fui |
| tú / vos | fuiste |
| él / ella / usted | fue |
| nosotros/as | fuimos |
| vosotros/as | fuisteis |
| ellos / ellas / ustedes | fueron |
Fui estudiante. means “I was a student,” while fui a El Zonte means “I went to El Zonte.” The words around the verb make the meaning clear.
Irregular Preterite Examples in Context
- Ayer estuvimos en la escuela. — Yesterday we were at the school.
- La profesora dijo la respuesta. — The teacher said the answer.
- Hice la tarea antes de la clase. — I did the homework before class.
- ¿Tuviste tiempo para practicar? — Did you have time to practise?
- Mis amigos fueron a surfear. — My friends went surfing.
- Vos quisiste aprender más vocabulario. — You wanted to learn more vocabulary.
- Vosotros pudisteis terminar el ejercicio. — You were able to finish the exercise.
Important Meaning Changes in the Preterite
Some verbs can take a more specific meaning when used in the preterite:
- poder: pude hacerlo often means “I managed to do it.”
- no poder: no pude entrar means “I could not / failed to enter.”
- saber: supe la verdad often means “I found out the truth.”
- querer: quise hablar can mean “I tried/wanted to speak,” while no quise often means “I refused.”
Preterite or Imperfect?
| Completed event: preterite | Background or habit: imperfect |
|---|---|
| Ayer estuve cansado. I was tired yesterday. | Siempre estaba cansado. I was always tired. |
| Tuve una clase a las nueve. I had a class at nine. | Tenía clases cada día. I had classes every day. |
| Fui a la playa. I went to the beach. | Iba a la playa los domingos. I used to go on Sundays. |
For a deeper comparison, use our Spanish imperfect conjugation guide and the Spanish past tense overview.
Six Common Mistakes to Avoid
- Adding accents to irregular-stem endings: write tuve and estuvo, not tuvé or estuvó.
- Using -ieron after a j-stem: the correct form is dijeron, not dijieron.
- Forgetting hizo: the third-person form of hacer is hizo, not hico.
- Confusing fue: decide from context whether it means “was” or “went.”
- Mixing vosotros and ustedes: use hicisteis with vosotros and hicieron with ustedes.
- Adding a final -s to tú/vos: standard forms are dijiste and fuiste, not dijistes or fuistes.
Spanish Preterite Irregular Verbs: 6 Free Exercises
Complete the six conjugation grids for decir, estar, hacer, ser, querer and tener. Include the forms for vosotros/as used in Spain as well as the tú/vos and ustedes forms commonly used in Latin America.
Try every form without looking at the tables. Then open the answer key below the activity and correct any pattern you missed.
Interactive Conjugation Exercises
Complete all six verb grids. Remember: irregular-stem endings do not carry written accents, and dijeron uses -eron.
Answer Key
Show the answers to all six exercises
1. DECIR
yo dije · tú/vos dijiste · él/ella/usted dijo · nosotros/as dijimos · vosotros/as dijisteis · ellos/ellas/ustedes dijeron
2. ESTAR
yo estuve · tú/vos estuviste · él/ella/usted estuvo · nosotros/as estuvimos · vosotros/as estuvisteis · ellos/ellas/ustedes estuvieron
3. HACER
yo hice · tú/vos hiciste · él/ella/usted hizo · nosotros/as hicimos · vosotros/as hicisteis · ellos/ellas/ustedes hicieron
4. SER
yo fui · tú/vos fuiste · él/ella/usted fue · nosotros/as fuimos · vosotros/as fuisteis · ellos/ellas/ustedes fueron
5. QUERER
yo quise · tú/vos quisiste · él/ella/usted quiso · nosotros/as quisimos · vosotros/as quisisteis · ellos/ellas/ustedes quisieron
6. TENER
yo tuve · tú/vos tuviste · él/ella/usted tuvo · nosotros/as tuvimos · vosotros/as tuvisteis · ellos/ellas/ustedes tuvieron
What Should You Study Next?
- Review the basic pattern with our regular Spanish preterite exercises.
- Compare completed events and background descriptions in the Spanish imperfect guide.
- See how the main past tenses work together in our Spanish past tense overview.
Practice Spanish With SAY ZONTE!
Would you like help turning irregular verb forms into natural conversation? Our experienced local teachers can help you practise Spanish at your level and work toward your personal learning goals.
Book a free Spanish trial lesson or compare our Spanish courses in El Salvador.
Reviewed and updated by the SAY ZONTE! Teaching Team on August 26, 2026.