A2 Past Tense 13 min read Medium

Irregular Past Stems (U, I, J Verbs)

Irregular preterite verbs swap their stems for U, I, or J forms and drop all written accents.
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Grammar Rule in 30 Seconds

Some Spanish verbs change their entire stem in the past tense and use special, accent-free endings.

  • U-stems (tener -> tuv-) take endings: -e, -iste, -o, -imos, -isteis, -ieron.
  • I-stems (hacer -> hic-) change 'c' to 'z' in the third person singular (hizo).
  • J-stems (decir -> dij-) drop the 'i' in the third person plural (dijeron, not dijieron).
New Stem + (e, iste, o, imos, isteis, ieron) = Past Action

Overview

The Spanish preterite tense, el pretérito indefinido, is used to describe actions completed at a definite point in the past. While most Spanish verbs follow regular conjugation patterns in the preterite, a crucial group deviates significantly by undergoing a stem change. These are known as irregular past stem verbs, and their mastery is fundamental for A2 learners aiming for fluid and accurate communication.

These irregularities are not arbitrary; they reflect historical phonetic evolution in Latin, where certain sound combinations naturally transformed over time. Consequently, the core stem of these verbs changes, and this new stem then pairs with a unique set of preterite endings that consistently lack accent marks. You will primarily encounter three categories: U-stems, I-stems, and J-stems.

Understanding these systematic irregularities provides a robust foundation for expressing past events with native-like precision.

How This Grammar Works

Typically, Spanish verb conjugation involves a stable stem (the verb's root) and an ending indicating tense, mood, and subject. For regular preterite verbs, the stem remains constant (e.g., hablar > hablé). However, with irregular past stem verbs, the stem itself transforms.
This altered, irregular stem then combines with a special and consistent set of preterite endings that are distinct from regular patterns. Crucially, these irregular endings never carry accent marks. The natural stress falls on the transformed stem, eliminating the need for written accents.
For example, tener (to have) alters its stem from ten- to tuv- in the preterite, yielding yo tuve (I had). Similarly, hacer (to do/make) changes to hic- (or hiz-), as in yo hice (I did/made), and decir (to say/tell) becomes dij-, resulting in yo dije (I said/told). This dual change—a modified stem and a unique, accent-free set of endings—defines these verbs.

Formation Pattern

1
Irregular past stem verbs are systematically categorized by the characteristic letter or sound that appears in their new preterite stem: U-stems, I-stems, and J-stems. Once this irregular stem is identified, it consistently combines with a specific set of endings used across all three groups. These endings are a hallmark of irregular preterite conjugation: they do not carry accent marks.
2
1. U-Stems (and UV-Stems)
3
This group's stem integrates a u or uv. Often, an e or o vowel in the original stem shifts to this u sound. This phonetic consistency aids recognition.
4
Common U-stem verbs:
5
| Infinitive | Irregular Preterite Stem |
6
|:-----------|:-------------------------|
7
| estar | estuv- |
8
| tener | tuv- |
9
| andar | anduv- |
10
| poder | pud- |
11
| poner | pus- |
12
| saber | sup- |
13
Examples:
14
Yo estuve en casa anoche. (I was at home last night.)
15
Ella no pudo terminar el informe. (She wasn't able to finish the report.)
16
¿Quién puso las flores aquí? (Who put the flowers here?)
17
2. I-Stems
18
Verbs in this category typically change their stem's vowel to an i. The verb hacer also undergoes a specific spelling adjustment in the third person singular to maintain its phonetic value.
19
Common I-stem verbs:
20
| Infinitive | Irregular Preterite Stem |
21
|:-----------|:-------------------------|
22
| hacer | hic- (becomes hiz- for él/ella/usted) |
23
| querer | quis- |
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| venir | vin- |
25
Examples:
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¿Qué hiciste el fin de semana? (What did you do over the weekend?)
27
Ellos quisieron visitarnos el lunes. (They wanted to visit us on Monday.)
28
Tú viniste tarde a la reunión. (You came late to the meeting.)
29
3. J-Stems
30
This group is characterized by an irregular stem ending in j. This j significantly affects the third-person plural ending, causing a specific vowel omission. The development of j in these stems originates from Latin phonetic evolution.
31
Prominent J-stem verbs:
32
| Infinitive | Irregular Preterite Stem |
33
|:-----------|:-------------------------|
34
| decir | dij- |
35
| traer | traj- |
36
| conducir | conduj- |
37
Examples:
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Mi abuelo me dijo un secreto. (My grandfather told me a secret.)
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¿Quién trajo el vino? (Who brought the wine?)
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Ellos condujeron toda la noche. (They drove all night.)
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The Irregular Preterite Endings (Accent-Free)
42
After identifying the irregular stem, you attach this specific set of endings. Reiterate: no accent marks are ever used with these endings.
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| Subject | Ending |
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|:--------------------|:---------|
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| yo | -e |
46
| tú | -iste |
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| él/ella/usted | -o |
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| nosotros/as | -imos |
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| vosotros/as | -isteis|
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| ellos/ellas/ustedes | -ieron (or -eron for J-stems) |
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The J-Stem Exception: For verbs whose irregular preterite stem ends in j (e.g., dij-, traj-), the i in the ellos/ellas/ustedes ending -ieron is dropped, resulting in -eron. For example, ellos dijeron (they said), not *dijieron. This is a phonetic simplification.

Conjugation Table

Subject tener (to have) hacer (to do/make) decir (to say/tell)
:-------------------------- :-------------------- :--------------------- :----------------------
yo tuve hice dije
tú tuviste hiciste dijiste
él/ella/usted tuvo hizo dijo
nosotros/as tuvimos hicimos dijimos
vosotros/as (Spain) tuvisteis hicisteis dijisteis
ellos/ellas/ustedes tuvieron hicieron dijeron

When To Use It

You use these irregular past stem verbs in the same contexts as any other verb conjugated in the preterite tense. The preterite is used to describe completed actions that occurred at a specific point in the past, or actions with a defined beginning and end. It narrates discrete events, providing a clear sequence of what transpired.
Primary situations for the irregular preterite:
  • Single, Completed Actions: For events that happened and finished at a specific time. Ayer tuve una buena noticia. (Yesterday I had good news.)
  • Actions with a Defined Beginning and End: Even if the action lasted, if its duration is stated or implied, and the action is seen as complete, use the preterite. Anduvimos por el centro toda la tarde. (We walked through downtown all afternoon.)
  • Sequence of Events: To narrate a series of actions that occurred consecutively. Me levanté, puse la cafetera y desayuné. (I got up, put on the coffee maker, and had breakfast.)
  • Specific Moments: When referring to a particular moment or date in the past. Ella vino el martes por la mañana. (She came on Tuesday morning.)
At the A2 level, remember the preterite focuses on what happened, advancing a narrative. It marks specific events, contrasting with the imperfect tense, which describes how things were or what used to happen (a concept for deeper study). For now, focus on the definiteness and completion implied by the preterite.

Common Mistakes

Learners frequently encounter specific pitfalls when conjugating irregular past stem verbs. Understanding these errors accelerates mastery.
  • Forgetting the Stem Change: The most common error is failing to apply the irregular stem change. Forgetting that tener becomes tuv- or poder becomes pud- is prevalent. For example, tení or poderé instead of tuve or pude.
  • Using Regular Preterite Endings: After correctly identifying the irregular stem, learners sometimes mistakenly attach regular preterite endings. For instance, *tuvió instead of tuvo.
  • Adding Accent Marks: These irregular preterite endings are accent-free. Accidentally adding an accent, such as tuvó or púse, is a persistent mistake. The stress naturally falls on the irregular stem, negating the need for a written accent.
  • Misapplying the J-Stem Rule: The i drop in the ellos/ellas/ustedes form of J-stems is unique. Saying dijieron or trajieron instead of the correct dijeron and trajeron is a very common error. Remember: if the irregular stem ends in j, the i in -ieron vanishes.
  • Confusing hacer's c to z Change: For hacer, the stem is hic-, but for él/ella/usted, it becomes hizo. Learners sometimes incorrectly apply this z to other forms, such as *hizoiste instead of hiciste. The c changes to z only before o to preserve the /s/ sound, which is already present before i.
  • Overgeneralizing Irregular Endings: Applying the accent-free irregular endings to regular verbs. For example, hablé (with accent) is correct for hablar, not *hable (without accent) just because tuve has no accent.

Contrast With Similar Patterns

Distinguishing irregular past stems from other verb patterns is crucial for accurate Spanish. Avoid confusion with similar-sounding or looking rules.
  • Vs. Regular Preterite Endings: The most apparent contrast lies in the endings. Regular preterite verbs (-ar, -er, -ir) use endings that often carry accent marks (e.g., hablé, comí). In contrast, irregular past stem verbs use a single set of endings that are never accented (e.g., tuve, hice, dije). This lack of accent is a defining characteristic.
  • Vs. Other Irregular Preterites: While U, I, and J stems form a consistent group, Spanish has other highly irregular preterite verbs that don't fit this pattern. Notable examples include ser (to be) and ir (to go), both becoming fui, fuiste, fue, etc., in the preterite. Similarly, dar (to give) becomes di, diste, dio, and ver (to see) becomes vi, viste, vio. These have unique conjugations and do not follow the U/I/J stem-change rule, but they also share the characteristic of having no accents on their preterite forms.
  • Vs. Present Tense Stem-Changing Verbs: Spanish also has verbs that undergo stem changes in the present tense (e.g., poder > pue- in yo puedo). It's vital to recognize that these present-tense stem changes are different from preterite stem changes. For example, poder changes o to ue in the present (puedo), but o to u (pud-) in the preterite (pude). Similarly, querer changes e to ie in the present (quiero), but e to i (quis-) in the preterite (quise). The tense dictates the specific stem modification. Do not assume a verb that stem-changes in the present will follow the same pattern in the preterite.

Real Conversations

Understanding irregular past stems is essential for genuine Spanish communication. These verbs are among the most frequently used in everyday dialogue, texts, and informal writing. Here's how you'll encounter them:

- Describing Past Events Informally: When recounting what happened or what was learned:

- ¿Qué hiciste el sábado? Yo tuve que estudiar. (What did you do Saturday? I had to study.)

- Mi amigo vino a casa y anduvimos por el barrio. (My friend came home and we walked around the neighborhood.)

- In Text Messages or Social Media: For quick updates or reactions, brevity is key:

- @amiga: Oye, ¿pudiste dormir bien? 🤔 (Hey, were you able to sleep well?)

- @yo: Sí! Puse la calefacción y ¡listo! 😌 (Yes! I put on the heating and that's it!)

- La profesora dijo que la tarea es para el lunes. (The teacher said the homework is for Monday.)

- In Casual Storytelling: When sharing anecdotes or personal experiences, these verbs form the narrative backbone:

- Una vez, trajimos comida mexicana y mis padres quisieron probarlo todo. (One time, we brought Mexican food and my parents wanted to try everything.)

Notice how the accent-free endings contribute to the natural flow of spoken and written Spanish. Mastering these forms allows your Spanish to sound less like a textbook and more like a native speaker's. They are indispensable for coherent past narratives and understanding spontaneous conversations.

Progressive Practice

1

Mastering irregular past stems requires consistent, varied practice. Approach it systematically to build confidence and fluency.

2

- Focused Memorization: Create flashcards for each irregular verb. On one side, write the infinitive (e.g., tener). On the other, write its irregular stem (e.g., tuv-) and then its full conjugation. Group verbs by U-stem, I-stem, and J-stem categories to identify patterns. Repeat daily.

3

- Conjugation Drills: Practice conjugating these verbs for all subject pronouns without notes. Start with one category (e.g., U-stems), master it, then move to the next. Pay extra attention to hacer's hizo and the J-stem ellos/ellas/ustedes forms.

4

- Sentence Creation: Actively construct your own sentences using these verbs in the preterite. Describe things you did yesterday, last weekend, or last year. This moves beyond rote memorization to active application. For example, Ayer puse mi mochila en el coche. (Yesterday I put my backpack in the car.)

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- Reading and Identification: Read simple Spanish texts. Underline or highlight every preterite form. Identify if it's regular or irregular, and if irregular, its category.

6

- Listening Comprehension: Watch Spanish TV shows or listen to podcasts. Focus on catching these irregular preterite forms. Pause and repeat sentences containing them to train your ear to recognize the accent-free endings.

7

- Descriptive Narratives: Practice telling a short story about a past event entirely in the preterite, incorporating several irregular verbs. Record yourself and listen back to identify areas for improvement. This simulates real conversation and boosts recall.

8

Consistency is key. Short, daily practice sessions are more effective than infrequent, long ones. Over time, these irregular forms will become second nature.

Quick FAQ

Q: Do irregular preterite endings ever have accent marks?
A: No, never. This is a fundamental rule for U, I, and J stem irregular preterite verbs. The stress naturally falls on the irregular stem, so no written accent is needed on the ending. Any accent you see in the preterite will be on a regular verb ending (e.g., hablé, comió).
Q: Is ser an irregular U, I, or J stem verb?
A: No, ser (to be) and ir (to go) are also highly irregular in the preterite (fui, fuiste, fue, etc.), but they do not fit into the U, I, or J stem categories. They have their own unique, completely irregular conjugation. Spanish has several such verbs; the U, I, J stems are just one specific, large group of irregulars.
Q: How many verbs belong to these irregular U, I, J stem groups?
A: There are approximately 20-25 commonly used verbs that fall into these categories. While this guide covers the most essential ones, encountering new irregulars is part of advancing your Spanish. The key is to recognize the U, I, or J stem pattern and apply the correct accent-free endings.
Q: Why does hacer become hizo for él/ella/usted but hiciste for tú?
A: This is a phonetic change to preserve the original /s/ sound. The irregular stem is generally hic-. When followed by i (as in -iste for tú), the c naturally sounds like s.
However, when followed by o (as in -o for él/ella/usted), c would normally sound like k. To maintain the softer s sound, the c changes to z before o, hence hizo. It's a spelling adjustment for consistent pronunciation.
Q: Are these irregular patterns always consistent, or are there exceptions within the groups?
A: Yes, for the verbs that belong to these specific U, I, and J stem groups, the stem changes and the set of accent-free endings are entirely consistent across all persons. The only specific

Irregular Preterite Endings

Person U-Stem (Tener) I-Stem (Hacer) J-Stem (Decir)
Yo
tuve
hice
dije
Tú
tuviste
hiciste
dijiste
Él/Ella
tuvo
hizo
dijo
Nosotros
tuvimos
hicimos
dijimos
Vosotros
tuvisteis
hicisteis
dijisteis
Ellos/Ellas
tuvieron
hicieron
dijeron

Meanings

These verbs describe completed actions in the past where the root of the verb changes unpredictably.

1

U-stems

Verbs like tener, estar, poder that change to a stem ending in 'u'.

“Tuve un perro.”

“Estuvimos en casa.”

2

I-stems

Verbs like hacer, venir, querer that change to a stem ending in 'i'.

“Hice la cena.”

“Viniste tarde.”

3

J-stems

Verbs like decir, traer, conducir that change to a stem ending in 'j'.

“Dije la verdad.”

“Trajeron comida.”

Reference Table

Reference table for Irregular Past Stems (U, I, J Verbs)
Form Structure Example
Affirmative
Stem + Endings
Yo tuve dinero.
Negative
No + Stem + Endings
No tuve dinero.
Question
Verb + Subject?
¿Tuviste dinero?
Short Answer
Sí/No + Verb
Sí, tuve.
J-Stem Plural
Stem + -eron
Ellos dijeron.
I-Stem 3rd Sing
Stem + -o (z)
Él hizo.

Formality Spectrum

Formal
Tuve una reunión.

Tuve una reunión. (Professional)

Neutral
Tuve una reunión.

Tuve una reunión. (Professional)

Informal
Tuve una junta.

Tuve una junta. (Professional)

Slang
Tuve un mitin.

Tuve un mitin. (Professional)

The Irregular Stem Family

Irregular Stems

U-Stems

  • tener to have
  • estar to be

I-Stems

  • hacer to do
  • venir to come

J-Stems

  • decir to say
  • traer to bring
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Examples by Level

1

Ayer tuve clase.

Yesterday I had class.

2

Hice la tarea.

I did the homework.

3

Viniste a mi casa.

You came to my house.

4

Dije la verdad.

I told the truth.

1

Pude terminar el libro.

I was able to finish the book.

2

Estuvimos en el parque.

We were at the park.

3

Ellos trajeron pizza.

They brought pizza.

4

Ella hizo un pastel.

She made a cake.

1

Conduje por tres horas.

I drove for three hours.

2

No supimos qué hacer.

We didn't know what to do.

3

Me dijeron que no.

They told me no.

4

Quisiste ir al cine.

You wanted to go to the movies.

1

Pusieron las reglas claras.

They set the rules clearly.

2

Hizo falta más tiempo.

More time was needed.

3

No pudimos evitarlo.

We couldn't avoid it.

4

Tradujeron el documento.

They translated the document.

1

Produjeron resultados excelentes.

They produced excellent results.

2

Sostuve mi postura firme.

I held my position firm.

3

Detuvieron el proceso legal.

They stopped the legal process.

4

Condujeron la investigación.

They conducted the investigation.

1

Preveyeron los riesgos futuros.

They foresaw the future risks.

2

Atrajeron a muchos inversores.

They attracted many investors.

3

Compusieron una obra maestra.

They composed a masterpiece.

4

Mantuvieron la calma siempre.

They always kept calm.

Easily Confused

Irregular Past Stems (U, I, J Verbs) vs Preterite vs Imperfect

Learners often use the irregular preterite when they should use the imperfect.

Irregular Past Stems (U, I, J Verbs) vs Regular vs Irregular

Adding regular endings to irregular stems.

Irregular Past Stems (U, I, J Verbs) vs Hizo vs Hizo

Spelling of 'hizo' vs 'hiso'.

Common Mistakes

✗

tuvé

✓

tuve

No accent on the first person singular.
✗

hicé

✓

hice

The stem is 'hic-', not 'hicé'.
✗

dijieron

✓

dijeron

J-stems drop the 'i' in the plural.
✗

hico

✓

hizo

Must change 'c' to 'z' for sound.
✗

estuvisteis

✓

estuvisteis

Actually correct, but often confused with 'estuviste'.
✗

trajeron

✓

trajeron

Correct, but often misspelled as 'trajeran'.
✗

supo

✓

supo

Often confused with 'sabe'.
✗

conducieron

✓

condujeron

J-stem rule applies to all -ducir verbs.
✗

quisieron

✓

quisieron

Correct, but often confused with 'querieron'.
✗

vinieron

✓

vinieron

Often confused with 'vineron'.
✗

traducieron

✓

tradujeron

Must use the J-stem for -ducir verbs.
✗

preveyeron

✓

preveyeron

Correct, but often confused with 'preveieron'.
✗

detuvieron

✓

detuvieron

Often confused with 'deteneron'.

Sentence Patterns

Ayer ___ (hacer) mucho frío.

Yo no ___ (tener) tiempo.

Ellos ___ (decir) la verdad.

Nosotros ___ (poder) llegar a tiempo.

Real World Usage

Texting very common

No pude ir.

Social Media common

Hice un viaje increíble.

Job Interview common

Tuve experiencia en ventas.

Travel common

Vinimos de España.

Food Delivery occasional

Trajeron la comida fría.

Business Email common

Le dije que sí.

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⚠️

Zero Accents!

Irregular stems never take accents. If you write 'tuve' with an accent, you're mixing up two different rules. Keep it simple.
🎯

The J-Stem Rule

If your stem has a 'j' (dij-, traj-, conduj-), the plural 'ellos' form is -eron. Think of the 'j' as a vacuum that sucks up the 'i'.
💬

Saber in the Past

In the preterite, 'supe' doesn't just mean 'I knew'. It often means 'I found out' (a specific moment of discovery).

Smart Tips

Immediately think 'tuv-' for the past.

Yo tení... → Yo tuve...

Remember the 'z' in the third person.

Él hico... → Él hizo...

Drop the 'i' in the plural.

Ellos dijieron... → Ellos dijeron...

Group them by U, I, J.

I don't know the stem. → Is it U, I, or J?

Pronunciation

dije -> /di-he/

J-stem sound

The 'j' is a strong, throaty 'h' sound.

Statement

Tuve una reunión. ↘

Falling intonation for facts.

Memorize It

Mnemonic

Remember the 'U-I-J' trio: U-stems are 'tuv-', I-stems are 'hic-', J-stems are 'dij-'.

Visual Association

Imagine a 'U' shaped magnet pulling verbs together, an 'I' shaped needle sewing them, and a 'J' shaped hook catching the endings.

Rhyme

In the past, the stems will change, the endings are weird and sound quite strange.

Story

Yesterday, I HAD (tuve) a dream. I MADE (hice) a plan. I TOLD (dije) my friend. We CAME (vinimos) together to make it real.

Word Web

tuvehicedijepudeestuvevinistetrajeron

Challenge

Write 5 sentences about your last weekend using one verb from each group.

Cultural Notes

The verb 'hacer' is used in many idiomatic expressions.

The 'vosotros' form is used frequently in informal settings.

The 'vos' form changes the conjugation slightly.

These stems come from Latin perfectum forms.

Conversation Starters

“

¿Qué hiciste el fin de semana?

“

¿Pudiste terminar tu trabajo?

“

¿Qué trajeron tus amigos a la fiesta?

“

¿Por qué no viniste ayer?

Journal Prompts

Describe your last birthday.
Write about a time you had to solve a problem.
Tell a story about a misunderstanding.
Reflect on a professional achievement.

Common Mistakes

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

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Test Yourself

Conjugate 'tener' (yo)

Yo ___ dinero.

✓ Correct! ✗ Not quite. Correct answer: tuve
The stem is 'tuv-' and the ending is '-e'.
Choose the correct form of 'hacer' (él) Multiple Choice

Él ___ la tarea.

✓ Correct! ✗ Not quite. Correct answer: hizo
The 'z' is required.
Fix the mistake Error Correction

Find and fix the mistake:

Ellos dijieron la verdad.

✓ Correct! ✗ Not quite. Correct answer: dijeron
J-stems drop the 'i'.
Change to past Sentence Transformation

Yo tengo -> Yo ___

✓ Correct! ✗ Not quite. Correct answer: tuve
Irregular stem.
Match the verb to the stem Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: tuv-
Tener is a U-stem.
Conjugate 'decir' (ellos)

Ellos ___ la verdad.

✓ Correct! ✗ Not quite. Correct answer: dijeron
J-stem rule.
Choose the correct form of 'estar' (nosotros) Multiple Choice

Nosotros ___ en casa.

✓ Correct! ✗ Not quite. Correct answer: estuvimos
U-stem.
Build a sentence Sentence Building

Yo / hacer / pastel

✓ Correct! ✗ Not quite. Correct answer: Yo hice pastel
Correct stem and ending.

Score: /8

Practice Exercises

8 exercises
Conjugate 'tener' (yo)

Yo ___ dinero.

✓ Correct! ✗ Not quite. Correct answer: tuve
The stem is 'tuv-' and the ending is '-e'.
Choose the correct form of 'hacer' (él) Multiple Choice

Él ___ la tarea.

✓ Correct! ✗ Not quite. Correct answer: hizo
The 'z' is required.
Fix the mistake Error Correction

Find and fix the mistake:

Ellos dijieron la verdad.

✓ Correct! ✗ Not quite. Correct answer: dijeron
J-stems drop the 'i'.
Change to past Sentence Transformation

Yo tengo -> Yo ___

✓ Correct! ✗ Not quite. Correct answer: tuve
Irregular stem.
Match the verb to the stem Match Pairs

Tener -> ?

✓ Correct! ✗ Not quite. Correct answer: tuv-
Tener is a U-stem.
Conjugate 'decir' (ellos)

Ellos ___ la verdad.

✓ Correct! ✗ Not quite. Correct answer: dijeron
J-stem rule.
Choose the correct form of 'estar' (nosotros) Multiple Choice

Nosotros ___ en casa.

✓ Correct! ✗ Not quite. Correct answer: estuvimos
U-stem.
Build a sentence Sentence Building

Yo / hacer / pastel

✓ Correct! ✗ Not quite. Correct answer: Yo hice pastel
Correct stem and ending.

Score: /8

Practice Bank

10 exercises
Fill in the blank Fill in the Blank

Nosotros ___ (estar) en el cine.

✓ Correct! ✗ Not quite. Correct answer: estuvimos
Translate to Spanish Translation

I put the book on the table.

✓ Correct! ✗ Not quite. Correct answer: Puse el libro en la mesa.
Reorder the words Sentence Reorder

verdad / ellos / dijeron / la

✓ Correct! ✗ Not quite. Correct answer: Ellos dijeron la verdad.
Which is correct? Multiple Choice

¿___ (poder) tú venir a la fiesta?

✓ Correct! ✗ Not quite. Correct answer: Pudiste
Find the mistake Error Correction

Ellos vinieron tarde.

✓ Correct! ✗ Not quite. Correct answer: Ellos vinieron tarde.
Match the verb to its stem Match Pairs

Match the pairs:

✓ Correct! ✗ Not quite. Correct answer: Tener:tuv-, Saber:sup-, Hacer:hic-
Fill in the blank Fill in the Blank

Yo no ___ (saber) la respuesta.

✓ Correct! ✗ Not quite. Correct answer: supe
Correct form of traer Multiple Choice

Ellas ___ (traer) comida.

✓ Correct! ✗ Not quite. Correct answer: trajeron
Translate to Spanish Translation

What did you (formal) do?

✓ Correct! ✗ Not quite. Correct answer: ¿Qué hizo usted?
Correct the stem Error Correction

Yo poní mi teléfono aquí.

✓ Correct! ✗ Not quite. Correct answer: Yo puse mi teléfono aquí.

Score: /10

FAQ (8)

These verbs are irregular and the endings are fixed. Adding an accent would change the pronunciation.

No, but these are the most common ones.

Usually, if it ends in -ducir or is 'decir'/'traer'.

No, these stems are only for the preterite.

Yes, for the I-stems.

Some do, but the changes are different.

Yes, they are standard Spanish.

Try to memorize them in groups.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

French partial

Passé simple

Spanish uses these daily; French uses them only in literature.

German moderate

Präteritum

German changes the vowel; Spanish changes the entire stem.

Japanese low

Ta-form

Japanese is agglutinative; Spanish is inflectional.

Arabic low

Past tense conjugation

Arabic roots are usually triliteral consonants.

Chinese none

Aspect markers

Chinese uses particles like 'le' for completion.

Spanish high

Pretérito indefinido

N/A

Learning Path

Prerequisites

Previous
The Irregular Preterite (tuv-, hic-, dij-)
Next
Saying it in the Past: 'Decir' (El pretérito de decir)

Learn These First

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