B1 Future & Conditional 17 min read Medium

Spanish Irregular Future & Conditional: One Stem, Two Tenses

Master 12 irregular stems once and you can use them for both future and conditional tenses perfectly.

Grammar Rule in 30 Seconds

Twelve common verbs change their stem for both Future and Conditional, but keep the same endings for both.

  • Drop the infinitive ending (-er/-ir) and replace it with the irregular stem (e.g., 'tendr-').
  • Add the standard future/conditional endings to that new stem.
  • The stem is identical for both the Future and Conditional tenses.
Irregular Stem + Future/Conditional Ending = Conjugated Verb

Overview

Spanish verbs exhibit a notable symmetry in their simple future (futuro simple) and simple conditional (condicional simple) tenses. For a specific group of high-frequency verbs, these two tenses share the exact same irregular stem. This shared characteristic significantly streamlines the learning process at the B1 level; mastering one irregular stem provides the foundation for conjugating two distinct tenses.

These irregularities are not arbitrary. They predominantly stem from phonetic evolution over centuries, where common verbs underwent sound changes for ease of pronunciation, resulting in more fluid consonant clusters. This means a verb like tener (to have), with its irregular future stem tendr- (e.g., tendré – I will have), uses precisely the same tendr- stem for the conditional tense (e.g., tendría – I would have).

This grammatical efficiency highlights how usage frequency often dictates morphological simplification in Spanish, making these forms integral for expressing future plans, hypothetical scenarios, and polite requests.

Conjugation Table

Verb (Infinitive) Irregular Stem Subject Futuro Simple (Endings: -é, -ás, -á, -emos, -éis, -án) Condicional Simple (Endings: -ía, -ías, -ía, -íamos, -íais, -ían)
:---------------- :------------- :-------------- :------------------------------------------------------ :----------------------------------------------------------------
hacer har- yo haré haría
harás harías
él/ella/usted hará haría
nosotros/as haremos haríamos
vosotros/as haréis haríais
ellos/ellas/ustedes harán harían
poder podr- yo podré podría
podrás podrías
él/ella/usted podrá podría
nosotros/as podremos podríamos
vosotros/as podréis podríais
ellos/ellas/ustedes podrán podrían
tener tendr- yo tendré tendría
tendrás tendrías
él/ella/usted tendrá tendría
nosotros/as tendremos tendríamos
vosotros/as tendréis tendríais
ellos/ellas/ustedes tendrán tendrían

How This Grammar Works

For the vast majority of Spanish verbs, forming the simple future and conditional is straightforward: you attach specific endings directly to the infinitive form of the verb. For instance, hablar (to speak) becomes hablaré (I will speak) and hablaría (I would speak). The core mechanism for regular verbs is infinitive + ending.
However, a limited set of highly frequent verbs deviates from this pattern. These are the irregular verbs for the future and conditional tenses. For them, the full infinitive is replaced by a modified, irregular stem.
Crucially, once this irregular stem is established, the subsequent endings for both the simple future and simple conditional remain absolutely regular and consistent across all verbs, whether regular or irregular. The endings themselves are immutable.
Consider the future endings: , -ás, , -emos, -éis, -án. And the conditional endings: -ía, -ías, -ía, -íamos, -íais, -ían. Note the mandatory accent marks on all these endings, which indicate stress and are vital for correct spelling and pronunciation.
These endings did not arise randomly; historically, both the future and conditional endings developed from appended forms of the verb haber (to have). The future endings evolved from the present indicative of haber (e.g., Latin cantare habeo > cantaré), and the conditional endings from the imperfect indicative of haber (e.g., cantare habebam > cantaría). When these forms of haber were added to an infinitive, certain phonetic environments caused the infinitive to morph, creating the irregular stems we learn today.
These seemingly arbitrary changes are thus products of natural linguistic sound changes, not mere exceptions.

Formation Pattern

1
Learning the irregular stems is simplified by grouping them into three phonetically related categories. These categories offer insight into why the stems change, rather than simply memorizing them as isolated exceptions. The most effective approach is to memorize the full infinitive and then substitute it with its specific irregular stem before adding the regular endings.
2
1. The "E-Drop" Group: These verbs drop the unstressed vowel -e- from their infinitive ending. This phonetic reduction often occurs to simplify a vowel-consonant cluster, making pronunciation smoother. For querer, the r sound is strengthened by doubling it (rr) to maintain its quality before the vowel of the ending. The general rule here is infinitive - 'e' + regular ending.
3
caber (to fit) → cabr- (e.g., Yo cabré en el ascensor. – I will fit in the elevator.)
4
haber (to have / there to be) → habr- (e.g., Mañana habrá luna llena. – Tomorrow there will be a full moon.)
5
poder (to be able to) → podr- (e.g., ¿Podrías ayudarme? – Could you help me?)
6
querer (to want) → querr- (e.g., Ellos querrán ir al concierto. – They will want to go to the concert.)
7
saber (to know) → sabr- (e.g., Sabré la respuesta pronto. – I will know the answer soon.)
8
2. The "D-Stems" (Epenthetic 'd') Group: This group involves the insertion of an epenthetic d (a sound inserted for phonetic reasons) into the stem. This typically happens when an infinitive ends in -ner or -ler. The sequence of n or l followed directly by the r of the future/conditional ending could be phonetically challenging. The inserted d eases this transition, creating a more harmonious consonant cluster like ndr or ldr. The general rule here is infinitive - 'e/i' + 'd' + regular ending.
9
poner (to put) → pondr- (e.g., Pondremos la mesa para la cena. – We will set the table for dinner.)
10
salir (to leave) → saldr- (e.g., Saldré temprano mañana. – I will leave early tomorrow.)
11
tener (to have) → tendr- (e.g., Tendría que estudiar más. – I would have to study more.)
12
valer (to be worth) → valdr- (e.g., ¿Cuánto valdría esta antigüedad? – How much would this antique be worth?)
13
venir (to come) → vendr- (e.g., Ellos vendrán a la fiesta. – They will come to the party.)
14
3. The "Total Rebels" Group: These two verbs exhibit more radical stem changes that do not fit neatly into the other phonetic categories. Their irregularities are products of deeper historical sound shifts and contractions in Vulgar Latin and Old Spanish, leading to highly compressed forms.
15
decir (to say/tell) → dir- (e.g., Te diré la verdad. – I will tell you the truth.)
16
hacer (to do/make) → har- (e.g., No haría eso. – I would not do that.)
17
| Irregular Verb | Irregular Stem |
18
| :------------- | :------------- |
19
| caber | cabr- |
20
| haber | habr- |
21
| poder | podr- |
22
| querer | querr- |
23
| saber | sabr- |
24
| poner | pondr- |
25
| salir | saldr- |
26
| tener | tendr- |
27
| valer | valdr- |
28
| venir | vendr- |
29
| decir | dir- |
30
| hacer | har- |

When To Use It

The simple future and conditional tenses, especially with their irregular forms, are indispensable for expressing a wide range of ideas, from concrete predictions to subtle hypotheses and polite communication. Mastering their application is key to sounding natural and fluent in Spanish.
Simple Future (Futuro Simple):
  • Definite Future Actions, Plans, and Predictions: Use the future to express actions that will occur or predictions about future events. It conveys a degree of certainty or intention. Mañana haré un informe completo. (Tomorrow I will make a complete report.) Él vendrá a la reunión el viernes. (He will come to the meeting on Friday.)
  • Promises and Obligations: The future tense is commonly used to make commitments or indicate a future obligation. Te diré lo que sé. (I will tell you what I know.) Nosotros tendremos que trabajar extra. (We will have to work extra.)
  • Probability or Conjecture in the Present: This is a crucial and often overlooked use. The future tense can express what probably is or might be true in the present moment, similar to "I wonder if..." or "must be" in English. ¿Qué hora será? (I wonder what time it is? / What time could it be?) Ellos estarán en casa ahora. (They are probably at home now.)
  • Commands or Instructions (Formal/Strong): While less common than the imperative, the future tense can convey a strong command, especially in written instructions or formal settings. No saldrás de esta sala hasta que termines. (You will not leave this room until you finish.)
Simple Conditional (Condicional Simple):
  • Hypothetical Situations and Unreal Conditions: The conditional is fundamental for expressing what would happen under specific (often unreal or contrary-to-fact) circumstances. It typically appears in the main clause of si (if) constructions following the pattern si + imperfect subjunctive, conditional. Si tuviera más dinero, me compraría una casa. (If I had more money, I would buy myself a house.) Si pudiera, te ayudaría. (If I could, I would help you.)
  • Polite Requests and Suggestions: Using the conditional softens a request, making it more polite and less direct than the present tense or imperative. ¿Podría pasarme la sal, por favor? (Could you pass me the salt, please?) Me gustaría un café con leche. (I would like a coffee with milk.)
  • Advice or Recommendations: The conditional is ideal for offering advice or suggesting what someone should or ought to do. Yo en tu lugar, no lo haría. (If I were you, I wouldn't do it.) Deberías estudiar más. (You should study more.)
  • Future in the Past (Reported Speech): This tense describes an action that would happen in the future from the perspective of a past moment. It's common in reported speech. Dijo que vendría a visitarnos. (He said he would come to visit us.) Pensamos que saldríamos pronto. (We thought we would leave soon.)
  • Probability or Conjecture in the Past: Similar to the future for present probability, the conditional expresses what probably was or might have been true in the past. ¿Quién sería el autor de esa carta? (I wonder who the author of that letter was? / Who could have been the author?) Ellos estarían cansados después del largo viaje. (They were probably tired after the long journey.)

Common Mistakes

Learners often encounter specific pitfalls when navigating the irregular future and conditional tenses. Recognizing these common errors and understanding their underlying causes can significantly accelerate mastery.
  • Over-regularization: This is perhaps the most prevalent mistake. Learners mistakenly attempt to apply regular endings directly to the infinitive of an irregular verb. Forgetting the stem change and saying ponerré instead of pondré or haceré instead of haré is a clear indicator. Your brain naturally seeks patterns, and forcing regularity onto an irregular system is a common, yet incorrect, learning strategy here.
  • Incorrect Stem Application: Sometimes, learners recall a stem change but apply it incorrectly, perhaps mixing rules between categories. For example, trying to insert a d into poder to form podedré instead of the correct podré, or forgetting the double rr in querer (queré instead of querré). Each irregular verb has a specific stem that must be adhered to.
  • Mispronunciation of querr-: The double rr in querré and querría requires a trilled r sound, which is phonetically distinct from a single r. A single r sound (quería) typically refers to the imperfect tense of querer (I wanted/used to want), which significantly changes the meaning. Differentiating between quería (wanted) and querría (would want) is crucial for accurate communication and demonstrates phonetic control.
  • Forgetting Accent Marks: All simple future endings (é, ás, á, emos, éis, án) and all conditional endings (ía, ías, ía, íamos, íais, ían) carry mandatory accent marks. Omitting these marks is a common spelling error that, while not always hindering comprehension, is grammatically incorrect and visually jarring in written Spanish. The accents indicate where the stress falls, which is crucial for correct pronunciation.
  • Confusion in Si Clauses: A frequent error is using the simple future in hypothetical si clauses where the imperfect subjunctive is required, or the conditional in the si clause itself. For instance, Si haré esto, iré contigo is incorrect; the correct form is Si hiciera esto, iría contigo (If I did this, I would go with you). The structure si + imperfect subjunctive + conditional is fixed for hypothetical scenarios.
  • Misuse of Probability: While the future tense expresses present probability (¿Dónde estará? – Where might he be?), the conditional expresses past probability (¿Dónde estaría? – Where might he have been?). Confusing these two leads to temporal inaccuracies in your statements.

Contrast With Similar Patterns

Understanding how the irregular future and conditional differentiate from other similar grammatical structures prevents common ambiguities and enhances precision in your Spanish.

Futuro Simple vs. Ir a + infinitivo (Informal Future):
The futuro simple (e.g., haré, tendrá) often conveys a more formal tone, a stronger prediction, an obligation, or a probability. It is commonly used in writing, formal speeches, and for less immediate future actions. El presidente anunciará nuevas medidas. (The president will announce new measures.)
Ir a + infinitivo (e.g., voy a hacer, vas a tener) is more common in everyday, colloquial speech. It typically denotes immediate or near-future plans, intentions, or events perceived as certain. Voy a hacer la cena ahora mismo. (I'm going to make dinner right now.) While both express future actions, ir a + infinitivo generally feels more spontaneous and conversational.
Condicional Simple vs. Pretérito Imperfecto de Subjuntivo:
The condicional simple expresses what would happen (the consequence). It is often the main clause verb in hypothetical si clauses. Si tuviera tiempo, iría al cine. (If I had time, I would go to the cinema.)
The pretérito imperfecto de subjuntivo is used in the si clause itself to set up the hypothetical condition. Si estuviera aquí, todo sería diferente. (If he were here, everything would be different.) They work hand-in-hand to form complex hypothetical statements.
Condicional Simple vs. Pretérito Imperfecto for Politeness:
Both can express politeness, but the condicional simple (e.g., Querría un café) is generally considered slightly more formal or tentative, expressing a desire. Me gustaría saber su opinión. (I would like to know your opinion.)
The pretérito imperfecto (e.g., Quería un café) can also be polite, but it often implies a desire that was already present or a less tentative request. Quería preguntarte algo. (I wanted to ask you something.) The conditional often conveys a more hypothetical or less direct approach.
Future of Probability (Present) vs. Conditional of Probability (Past):
Futuro de probabilidad uses the simple future to speculate about a present situation: ¿Quién será esa persona? (Who might that person be? / I wonder who that person is?).
Condicional de probabilidad uses the simple conditional to speculate about a past situation: ¿Quién sería esa persona ayer? (Who might that person have been yesterday? / I wonder who that person was yesterday?). The choice depends entirely on the temporal focus of your speculation.

Real Conversations

Observing the irregular future and conditional in authentic contexts reveals their versatility and natural integration into daily Spanish communication, from casual texts to more formal interactions.

- Texting/Instant Messaging: In informal written communication, these tenses convey rapid plans, predictions, or polite inquiries.

- Amigo: ¿Vendrás a la fiesta esta noche? (Friend: Will you come to the party tonight?)

- Tú: Sí, creo que sí. Saldré del trabajo temprano. (You: Yes, I think so. I'll leave work early.)

- Amigo: ¡Genial! Te esperaré. (Friend: Great! I'll wait for you.)

- Social Media Comments/Captions: On platforms like Instagram or X (Twitter), the conditional is frequently used for hypothetical scenarios or expressing desires.

- Caption: "Si pudiera viajar ahora mismo, iría a Japón." (If I could travel right now, I would go to Japan.)

- Comment: "Yo también lo haría sin pensarlo." (I would do it too, without thinking.)

- Everyday Spoken Interaction: These tenses appear naturally in conversations ranging from making polite requests in a shop to discussing future possibilities with friends.

- En una cafetería: "¿Podría traerme un vaso de agua, por favor?" (In a cafe: Could you bring me a glass of water, please?)

- Hablando de un problema: "Si tuviera más información, te diría qué hacer." (Talking about a problem: If I had more information, I would tell you what to do.)

- Reporting Past Events/Future in the Past: Essential for narratives and relaying what was said or thought.

- Mi hermano dijo que haría la compra el lunes. (My brother said he would do the shopping on Monday.)

- Pensábamos que no cabríamos todos en el coche, pero sí. (We thought we wouldn't all fit in the car, but we did.)

- Speculation/Probability: Spanish speakers use these tenses fluidly for guesswork about both present and past events.

- "¿Dónde estarán mis llaves?" (buscándolas) "Estarán en la mesa." (Where could my keys be? (looking for them) They're probably on the table.)

- "Ayer no vino Pedro, ¿por qué sería?" (Pedro didn't come yesterday, why might that have been?)

Progressive Practice

1

Consistent and varied practice is essential for internalizing the irregular future and conditional. Focus on these methods to build both recognition and productive skills.

2

- Stem Recognition Drills: Create flashcards or use online quizzes that present an irregular infinitive. Your task is to immediately recall its irregular stem (e.g., tenertendr-, hacerhar-). Practice until recall is automatic.

3

- Conjugation Practice: Once stems are solid, practice conjugating the full irregular verbs in both future and conditional across all persons. Write them out, say them aloud, and use conjugation tables as reference until you can do so quickly and accurately. Pay close attention to the accent marks, which are non-negotiable.

4

- Contextual Sentence Creation: For each irregular verb and its various uses (prediction, politeness, hypothesis, probability), construct your own unique sentences. This forces you to engage with the meaning and application, not just the form. For poder, practice sentences like ¿Podría abrir la ventana? (polite request) and Si pudiera, lo haría. (hypothetical).

5

- "If I Were You" Scenarios: Practice giving advice using the conditional by completing sentences such as Yo que tú, iría / no lo haría... (If I were you, I would go / I wouldn't do it...). This reinforces the conditional for recommendations.

6

- Listen Actively: Pay critical attention to how native speakers use these tenses in films, podcasts, music, and conversations. Try to identify the irregular stems and the context of their use. Specifically note the probability uses, as these can be subtle.

7

- Reported Speech Exercises: Practice converting direct speech into reported speech, which frequently requires the future in the past. For example, change Él dijo: "Vendré mañana" to Él dijo que vendría mañana.

Quick FAQ

  • Are there other irregular verbs for these tenses? No, the 12 verbs listed (caber, haber, poder, querer, saber, poner, salir, tener, valer, venir, decir, hacer) are the only ones with irregular stems in the simple future and conditional. All other verbs are regular.
  • Do accent marks always matter? Yes, absolutely. The accent marks on the endings (-é, -ás, -á, -emos, -éis, -án and -ía, -ías, -ía, -íamos, -íais, -ían) are mandatory. They indicate where the stress falls, and their omission is considered a grammatical error.
  • Can I always use ir a + infinitivo instead of the futuro simple? While ir a + infinitivo is very common in spoken Spanish for near-future plans, the futuro simple often carries nuances of formality, obligation, strong prediction, or present probability that ir a does not. Choose based on the context and desired tone.
  • Is vosotros common? The vosotros/as forms are standard in Spain but are generally not used in Latin America, where ustedes serves for both formal and informal plural you. If you are learning for Latin American contexts, focus on ustedes forms.
  • What's the easiest way to memorize these? Grouping them by their phonetic change (E-drop, D-stems, Total Rebels) helps. Consistent practice with conjugation tables, sentence creation, and active listening will solidify your memory more effectively than rote memorization alone.

Irregular Future/Conditional Stems

Infinitive Stem Example (Future) Example (Conditional)
Tener
tendr-
tendré
tendría
Poner
pondr-
pondré
pondría
Salir
saldr-
saldré
saldría
Venir
vendr-
vendré
vendría
Valer
valdr-
valdré
valdría
Decir
dir-
diré
diría
Hacer
har-
haré
haría
Poder
podr-
podré
podría
Querer
querr-
querré
querría
Saber
sabr-
sabré
sabría

Meanings

This rule covers verbs that do not use the full infinitive as a base for future and conditional conjugations.

1

Future Tense

Expressing actions that will happen.

“Saldré a las ocho.”

“Tendrás mucho éxito.”

2

Conditional Tense

Expressing hypothetical actions or polite requests.

“Saldría si pudiera.”

“Tendrías que estudiar más.”

Reference Table

Reference table for Spanish Irregular Future & Conditional: One Stem, Two Tenses
Form Structure Example
Affirmative
Stem + Ending
Tendré tiempo.
Negative
No + Stem + Ending
No tendré tiempo.
Question
¿ + Stem + Ending + ...?
¿Tendrás tiempo?
Short Answer
Sí/No + Verb
Sí, tendré.
Compound Verb
Prefix + Stem + Ending
Mantendré mi palabra.
Conditional
Stem + -ía
Tendría tiempo.

Formality Spectrum

Formal
Tendré el informe listo.

Tendré el informe listo. (Work)

Neutral
Tendré el informe listo.

Tendré el informe listo. (Work)

Informal
Tendré el informe listo.

Tendré el informe listo. (Work)

Slang
Tendré el reporte listo.

Tendré el reporte listo. (Work)

The Irregular Stem Hub

Irregular Stem

Future

  • tendré I will have

Conditional

  • tendría I would have

Examples by Level

1

Tendré dinero.

I will have money.

2

Haré la tarea.

I will do the homework.

3

Vendré pronto.

I will come soon.

4

Saldré hoy.

I will go out today.

1

¿Podrías ayudarme?

Could you help me?

2

Diré la verdad.

I will tell the truth.

3

Pondré la mesa.

I will set the table.

4

Querría ir contigo.

I would like to go with you.

1

Sabré la respuesta mañana.

I will know the answer tomorrow.

2

Valdría la pena intentarlo.

It would be worth trying.

3

Mantendremos el contacto.

We will keep in touch.

4

Desharé el nudo.

I will undo the knot.

1

Vendrían si tuvieran tiempo.

They would come if they had time.

2

Habrá mucha gente allí.

There will be many people there.

3

Tendrías que haberlo dicho.

You should have said it.

4

Saldrían ganando.

They would come out winning.

1

Diría que es un error.

I would say it is a mistake.

2

No sabría qué decirte.

I wouldn't know what to tell you.

3

Pondrían en riesgo todo.

They would put everything at risk.

4

Querrán saber la verdad.

They will want to know the truth.

1

Valdrían millones hoy.

They would be worth millions today.

2

Habría sido mejor así.

It would have been better that way.

3

Mantendría mi palabra.

I would keep my word.

4

Vendrán a buscarnos.

They will come to look for us.

Easily Confused

Spanish Irregular Future & Conditional: One Stem, Two Tenses vs Future vs. 'Ir a + Infinitive'

Learners often use the future tense for immediate plans, which sounds too formal.

Spanish Irregular Future & Conditional: One Stem, Two Tenses vs Conditional vs. Imperfect

Learners mix up the endings.

Spanish Irregular Future & Conditional: One Stem, Two Tenses vs Future vs. Present

Learners use present tense for future events.

Common Mistakes

teneré

tendré

Don't use the full infinitive.

haceré

haré

Stem changes to 'har-'.

deciré

diré

Stem changes to 'dir-'.

poneré

pondré

Stem changes to 'pondr-'.

queriré

querré

Double 'r' is required.

saberé

sabré

Stem is 'sabr-'.

veniré

vendré

Stem is 'vendr-'.

mantenería

mantendría

Compound verbs follow the base verb.

valeré

valdré

Stem is 'valdr-'.

podréía

podría

Stem is 'podr-'.

deshacería

desharía

Compound of 'hacer'.

repondré

repondré

Correct, but check spelling.

contraeré

contendré

Confusing similar verbs.

Sentence Patterns

Yo ___ (tener) tiempo mañana.

Si pudiera, yo ___ (hacer) eso.

Ellos ___ (venir) a la fiesta.

Nosotros ___ (saber) la verdad pronto.

Real World Usage

Texting constant

Vendré a las 5.

Job Interview common

Tendría mucho gusto en trabajar aquí.

Travel common

¿Podría reservar una mesa?

Social Media very common

¡Haré un video mañana!

Food Delivery occasional

Tendré el pedido listo.

Academic Writing common

Se dirá que es un avance.

💡

Group them

Group the 12 verbs by sound: 'dr' verbs (tener, poner, salir, venir, valer) and 'r' verbs (hacer, querer).
⚠️

Watch the prefix

If a verb has a prefix like 'mantener', the irregular stem 'tendr-' is still used.
🎯

Use the conditional

Use the conditional for polite requests to sound more native.
💬

Regional variation

In some areas, the future tense is rarely used in speech, replaced by 'ir a'.

Smart Tips

Check if it's one of the 12 irregulars before adding the ending.

Yo teneré. Yo tendré.

Always use the conditional form of 'poder' or 'querer'.

Quiero un café. Querría un café.

Use the future tense for certainty, not just 'ir a'.

Voy a estar allí. Estaré allí.

If you don't know the irregular stem, use 'ir a' + infinitive.

Yo sabré. Voy a saber.

Pronunciation

ten-dr-eh

Consonant clusters

The 'dr' sound in 'tendr-' requires a crisp 'd' followed by a rolled 'r'.

Conditional request

¿Podrías...?

Rising intonation at the end to sound polite.

Memorize It

Mnemonic

Remember the 'D-R-N' rule: Many irregulars add a 'd' (tendr, pondr, saldr, vendr, valdr) or an 'r' (querr, har).

Visual Association

Imagine a 'T-Rex' (Tener) with a 'D' (tendr) on its chest, holding a calendar (Future) and a question mark (Conditional).

Rhyme

For future and conditional, the stem is the same, just add the ending and win the game!

Story

I will have (tendré) a party. I would have (tendría) invited you, but I had to do (haré) the work. I will say (diré) that I am sorry.

Word Web

tendr-pondr-saldr-vendr-dir-har-podr-querr-

Challenge

Write down the 10 most common irregular stems and conjugate them for 'yo' in both tenses in under 2 minutes.

Cultural Notes

The conditional is often used to express modesty or soften a request.

Future tense is often replaced by 'ir a + infinitive' in casual speech.

The 'vos' form affects the future tense endings slightly (e.g., 'tendrás' vs 'tendrás').

These irregular stems evolved from the Latin infinitive + the verb 'habere' (to have).

Conversation Starters

¿Qué harás este fin de semana?

¿Podrías vivir en otro país?

¿Qué dirías si ganaras la lotería?

¿Vendrás a la fiesta mañana?

Journal Prompts

Describe your plans for next year using at least 5 irregular future verbs.
If you were a millionaire, what would you do? Use conditional irregulars.
Write a letter to your future self.
Reflect on a past decision and what you would do differently.

Common Mistakes

Incorrect

Correct


Incorrect

Correct


Incorrect

Correct


Incorrect

Correct

Test Yourself

Conjugate 'tener' in future.

Yo ___ (tener) dinero.

✓ Correct! ✗ Not quite. Correct answer: tendré
Irregular stem is tendr-.
Select the correct conditional. Multiple Choice

Si pudiera, yo ___ (hacer) eso.

✓ Correct! ✗ Not quite. Correct answer: haría
Stem is har-.
Fix the error. Error Correction

Find and fix the mistake:

Yo deciré la verdad.

✓ Correct! ✗ Not quite. Correct answer: diré
Stem is dir-.
Change to conditional. Sentence Transformation

Yo vendré.

✓ Correct! ✗ Not quite. Correct answer: vendría
Same stem, different ending.
Conjugate 'salir' in future. Conjugation Drill

Ellos ___.

✓ Correct! ✗ Not quite. Correct answer: saldrán
Stem is saldr-.
Match infinitive to stem. Match Pairs

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

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

Yo / poder / ir.

✓ Correct! ✗ Not quite. Correct answer: Podré ir.
Correct future.
Is this true? True False Rule

The stem is the same for future and conditional.

✓ Correct! ✗ Not quite. Correct answer: True
Yes, that's the main rule.

Score: /8

Practice Exercises

8 exercises
Conjugate 'tener' in future.

Yo ___ (tener) dinero.

✓ Correct! ✗ Not quite. Correct answer: tendré
Irregular stem is tendr-.
Select the correct conditional. Multiple Choice

Si pudiera, yo ___ (hacer) eso.

✓ Correct! ✗ Not quite. Correct answer: haría
Stem is har-.
Fix the error. Error Correction

Find and fix the mistake:

Yo deciré la verdad.

✓ Correct! ✗ Not quite. Correct answer: diré
Stem is dir-.
Change to conditional. Sentence Transformation

Yo vendré.

✓ Correct! ✗ Not quite. Correct answer: vendría
Same stem, different ending.
Conjugate 'salir' in future. Conjugation Drill

Ellos ___.

✓ Correct! ✗ Not quite. Correct answer: saldrán
Stem is saldr-.
Match infinitive to stem. Match Pairs

Tener -> ?

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

Yo / poder / ir.

✓ Correct! ✗ Not quite. Correct answer: Podré ir.
Correct future.
Is this true? True False Rule

The stem is the same for future and conditional.

✓ Correct! ✗ Not quite. Correct answer: True
Yes, that's the main rule.

Score: /8

Practice Bank

10 exercises
Fill in the blank with the conditional form of 'poder'. Fill in the Blank

¿Nos ___ (poder) ayudar con la mudanza?

✓ Correct! ✗ Not quite. Correct answer: podrías
Correct the stem error. Error Correction

No sabería qué hacer en esa situación.

✓ Correct! ✗ Not quite. Correct answer: No sabría qué hacer en esa situación.
Put the words in the correct order. Sentence Reorder

le / Mañana / verdad / la / diré / yo

✓ Correct! ✗ Not quite. Correct answer: Mañana yo le diré la verdad
Translate 'They will leave at 5 PM'. Translation

They will leave at 5 PM.

✓ Correct! ✗ Not quite. Correct answer: Saldrán a las cinco.
Choose the correct conditional form. Multiple Choice

Si fueras mi amigo, me ___ (decir) el secreto.

✓ Correct! ✗ Not quite. Correct answer: dirías
Match the verb with its irregular stem. Match Pairs

Match the infinitive to its future/conditional stem:

✓ Correct! ✗ Not quite. Correct answer: Poner:pondr-
Complete the sentence with the future of 'venir'. Fill in the Blank

Ellos ___ (venir) a la fiesta el sábado.

✓ Correct! ✗ Not quite. Correct answer: vendrán
Fix the mistake. Error Correction

No caberá todo en el coche.

✓ Correct! ✗ Not quite. Correct answer: No cabrá todo en el coche.
Identify the correct usage of probability. Multiple Choice

¿Dónde está Juan? No sé, ___ (estar) en su casa.

✓ Correct! ✗ Not quite. Correct answer: estará
Translate 'We would want to go'. Translation

We would want to go.

✓ Correct! ✗ Not quite. Correct answer: Querríamos ir.

Score: /10

FAQ (8)

These are the most common verbs that have evolved irregular stems over centuries.

Yes, 'mantener' follows 'tener'.

No, these stems are only for future and conditional.

It is neutral and standard.

It's a phonetic requirement to maintain the sound.

Yes, but 'ir a' is more common for future.

Try to use 'ir a' or 'querer' as a backup.

The endings are the same as regular verbs!

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

French high

Futur simple

French stems are often more phonetically reduced.

German low

Futur I

German does not change the verb stem.

Japanese none

Non-past tense

Japanese has no future tense conjugation.

Arabic low

Future prefix

Arabic uses prefixes, not stem changes.

Chinese none

Future markers

Chinese verbs never conjugate.

English low

Will/Would

English does not conjugate the main verb.

Learning Path

Prerequisites

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