C1 · Avanzado Capítulo 18

The Future Subjunctive: Planning for Possibilities

2 Reglas totales
20 ejemplos
4 min

Chapter in 30 Seconds

Master the art of planning for uncertain future events with the Portuguese Future Subjunctive.

  • Form the tense using the third-person plural past tense stem.
  • Apply the tense after temporal conjunctions like 'quando'.
  • Express conditional future scenarios using 'se' effectively.
Unlock the future: plan with confidence and nuance.

Lo que aprenderás

Hey there, language explorer! Ready to take a significant leap and elevate your Portuguese to a truly advanced level? In this chapter, we're diving deep into the Futuro do Subjuntivo (Future Subjunctive), a crucial C1 milestone that will unlock sophisticated communication. You're going to learn how to discuss and plan for future scenarios that aren't yet certain, making your conversations natural, precise, and genuinely advanced. **What will you learn?** You'll master six golden rules. First, you'll discover how to form this tense using the they form of the past, a key shortcut to perfect future conditions and plans. Then, you'll understand precisely when to use it after words like se (if) and quando (when) to establish a clear condition for a future event. This is where you'll grasp the subtle nuances that distinguish good Portuguese from great Portuguese, allowing you to sound truly native. **Why does it matter?** Imagine planning with friends and saying, "If it rains tomorrow, we'll go to the museum,

or discussing work projects,
When this report is finished, we can start on the next one." In these situations, using the Future Subjunctive correctly is essential to convey your meaning accurately and avoid ambiguity. This lesson empowers you to be precise and sophisticated in real-life conversations, whether you're navigating daily chats or professional discussions. It allows you to perfectly link a future event to a future condition. **How do the rules connect?** The rules in this chapter fit together like pieces of a puzzle, building a complete picture. You'll start with the foundational verb forms, then learn how to seamlessly integrate them with temporal and conditional conjunctions like se and quando. You'll see how this structure elegantly bridges the gap between a future condition and its eventual fulfillment, allowing for sophisticated cause-and-effect statements. **What will you be able to do?** By the end of this chapter, you'll confidently discuss future plans, hypothetical situations, and conditions with a level of nuance that sets advanced speakers apart. You'll move beyond simple statements, expressing the complexities of time and contingency with grace and accuracy. Your conversations will flow more smoothly, and you'll navigate all future ifs and whens with absolute mastery!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Construct accurate conditional sentences for future events.

Guía del capítulo

Overview

Overview

Welcome to the fascinating world of the Portuguese Future Subjunctive! This tense is your key to unlocking nuanced expression when discussing hypothetical situations, future conditions, and possibilities. Unlike the more straightforward future indicative, which deals with certainties, the future subjunctive dives into the realm of what if and when this happens. It's an essential tool for C1 learners aiming for fluency and a deeper understanding of Portuguese grammar.
Mastering this tense will allow you to engage in more sophisticated conversations, express complex plans, and navigate uncertain futures with confidence. Think of it as your personal planning and possibility engine in Portuguese.
This chapter will demystify the formation and usage of the future subjunctive. We'll explore how it elegantly combines with conditional clauses, particularly those introduced by se (if) and quando (when). By understanding its role in expressing future events that are contingent on other actions or circumstances, you'll be able to construct more accurate and natural-sounding sentences.
Get ready to elevate your Portuguese by embracing the power of planning for possibilities!

How This Grammar Works

The Portuguese Future Subjunctive (Futuro do Subjuntivo) is primarily used in subordinate clauses that express conditions or time-related events that are uncertain or hypothetical in the future. It's most commonly found after conjunctions like se (if) and quando (when). The formation typically involves taking the third-person plural of the preterite perfect indicative (e.g., eles falaram, eles comeram, eles partiram), removing the -am ending, and adding the appropriate future subjunctive endings: «-r» for eu, -res for tu, «-r» for ele/ela/você, -rmos for «nós,» -rem for
eles/elas/vocês.
For example, from falaram, we get eu falar, tu falares, ele falar, nós falarmos, eles falarem.
The key function of the future subjunctive is to express a future event whose occurrence depends on another condition being met. For instance,
Se eu tiver tempo, irei à festa
(If I have time, I will go to the party). Here, tiver (from ter - to have) is in the future subjunctive, indicating that going to the party is conditional on having time.
Similarly,
Quando ele chegar, avisaremos você
(When he arrives, we will let you know). Chegar (to arrive) is in the future subjunctive because the act of notifying someone is dependent on his arrival, which is a future, uncertain event. This tense is crucial for expressing cause and effect, plans, and predictions that are not yet guaranteed.

Common Mistakes

  1. 1Wrong:
    Se eu vou amanhã, você vem?
Correct:
Se eu for amanhã, você vem?
*Explanation:* The conjunction se (if) introduces a hypothetical or conditional future event, which requires the future subjunctive (for from ir - to go). The future indicative (vou) implies a certainty of going, which contradicts the conditional nature introduced by se.
  1. 1Wrong:
    Quando você vai terminar o trabalho, me diga.
Correct:
Quando você terminar o trabalho, me diga.
*Explanation:* The conjunction quando (when), when referring to a future event that hasn't happened yet, triggers the future subjunctive. Vai terminar is the future indicative. Terminar is the correct future subjunctive form, indicating that the action of telling will happen *after* the work is finished, a future, contingent event.

Real Conversations

A

A

Se chover amanhã, o piquenique será cancelado. (If it rains tomorrow, the picnic will be cancelled.)
B

B

Entendido. E se o tempo melhorar, nós ainda podemos ir? (Understood. And if the weather improves, can we still go?)
A

A

Quando você terminar o relatório, me envie por e-mail, por favor. (When you finish the report, send it to me by email, please.)
B

B

Claro, assim que eu conseguir revisar tudo. (Of course, as soon as I manage to review everything.)

Quick FAQ

Q

Can the future subjunctive be used with depois que (after)?

Yes, depois que often triggers the future subjunctive when referring to a future event that will happen after another future event. For example,

Depois que eu comer, vou estudar.
(After I eat, I will study.)

Q

Is the future subjunctive always used with se and quando?

Not always. Se can also be followed by the imperfect subjunctive for past hypothetical situations (e.g.,

Se eu fosse rico...
). Quando can be followed by the present indicative when referring to habitual or certain future events (e.g.,
Quando ele vem, sempre traz flores
). The future subjunctive is specifically for uncertain or conditional future events.

Cultural Context

Native speakers frequently use the future subjunctive to express cautious planning and to convey a sense of preparedness for various future scenarios. It adds a layer of politeness and consideration when making requests or discussing potential outcomes, demonstrating a thoughtful approach to future interactions and events.

Ejemplos clave (4)

1

Se você quiser, podemos pedir pizza.

Si quieres, podemos pedir pizza.

Futuro del Subjuntivo: Se & Quando (Condiciones futuras)
2

Quando eu tiver meu diploma, vou mudar de país.

Cuando tenga mi título, me mudaré de país.

Futuro del Subjuntivo: Se & Quando (Condiciones futuras)
3

Se você tiver tempo, me liga amanhã.

Si tienes tiempo, llámame mañana.

Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)
4

Se o Uber chegar logo, não vamos nos atrasar.

Si el Uber llega pronto, no nos retrasaremos.

Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)

Consejos y trucos (2)

🎯

El atajo de los regulares

Si el verbo es regular, no te rompas la cabeza. El Futuro del Subjuntivo es igual al infinitivo. Solo añade las terminaciones para nosotros o ellos:
Se nós comermos agora, não teremos fome depois.
frontend.learn_grammar.from_rule: Futuro del Subjuntivo: Se & Quando (Condiciones futuras)
🎯

El truco de 'Ellos hablaron'

Para cualquier verbo, conjúgalo primero en la tercera persona plural del pasado (Pretérito Perfeito). Quita el final '-am' y ¡listo!, ya tienes tu base del futuro del subjuntivo:
Se você fizer o jantar, eu lavo a louça.
frontend.learn_grammar.from_rule: Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)

Vocabulario clave (5)

conforme as/according to enquanto while hipótese hypothesis decisão decision imprevisto unforeseen event

Real-World Preview

briefcase

Project Planning

Review Summary

  • Conjunction (se/quando) + Future Subjunctive
  • Se + Futuro Subjuntivo + Futuro do Indicativo

Errores comunes

In conditional clauses for the future, the present indicative is incorrect. Use the future subjunctive.

Wrong: Se você faz isso, eu vou ajudar.
Correcto: Se você fizer isso, eu ajudarei.

Temporal clauses referring to the future require the subjunctive.

Wrong: Quando eu chego em casa, vou dormir.
Correcto: Quando eu chegar em casa, dormirei.

Confusing the past tense form with the future subjunctive form.

Wrong: Se eles viram, eu aviso.
Correcto: Se eles vierem, eu avisarei.

Next Steps

You've tackled a major milestone! Keep practicing these structures in your daily life to make them second nature.

Write 5 sentences about your next vacation plans using 'se' and 'quando'.

Práctica rápida (6)

¿Cuál oración es correcta?

Elige la frase gramaticalmente correcta para una posibilidad futura:

✓ Correct! ✗ Not quite. Correct answer: Se você quiser vir, me avise.
'Quiser' es la forma irregular correcta del futuro del subjuntivo para 'querer'.

frontend.learn_grammar.from_rule: Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)

Rellena el espacio con la forma correcta de 'ter' (tener).

Quando eu ___ dinheiro, vou comprar um carro.

✓ Correct! ✗ Not quite. Correct answer: tiver
Usamos el Futuro del Subjuntivo porque es una condición futura introducida por 'quando'. La forma viene de 'tiveram' -> 'tiver'.

frontend.learn_grammar.from_rule: Futuro del Subjuntivo: Se & Quando (Condiciones futuras)

Encuentra el error en la frase.

Find and fix the mistake:

Assim que nós chegamos em casa, vamos jantar.

✓ Correct! ✗ Not quite. Correct answer: Assim que nós chegarmos em casa, vamos jantar.
Después de 'Assim que' refiriéndose al futuro, necesitamos el Futuro del Subjuntivo. Para 'nós', la terminación es '-mos', por lo que 'chegar' se vuelve 'chegarmos'.

frontend.learn_grammar.from_rule: Futuro del Subjuntivo: Se & Quando (Condiciones futuras)

Encuentra y corrige el error

Find and fix the mistake:

Se o Uber vem agora, nós chegamos a tempo.

✓ Correct! ✗ Not quite. Correct answer: Se o Uber vier agora, nós chegamos a tempo.
El verbo 'vir' (venir) se convierte en 'vier' en el futuro del subjuntivo.

frontend.learn_grammar.from_rule: Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)

Elige la oración gramaticalmente correcta.

¿Qué frase usa correctamente el verbo 'ver'?

✓ Correct! ✗ Not quite. Correct answer: Se você vir o Pedro, avise-me.
El Futuro del Subjuntivo de 'ver' es 'vir', basado en el pretérito 'viram'. Usar 'ver' es un error muy común.

frontend.learn_grammar.from_rule: Futuro del Subjuntivo: Se & Quando (Condiciones futuras)

Completa el espacio con la forma correcta de 'ter'

Se eu ___ dinheiro no mês que vem, vou comprar um celular novo.

✓ Correct! ✗ Not quite. Correct answer: tiver
Usamos el futuro del subjuntivo 'tiver' para una condición futura posible después de 'se'.

frontend.learn_grammar.from_rule: Planes Futuros: El uso de 'Si' (Futuro do Subjuntivo)

Score: /6

Preguntas frecuentes (4)

Expresa acciones futuras que son posibles pero no seguras. Conecta una condición (Si/Cuando pase X) con un resultado:
Se você vier, eu vou.
El portugués es más preciso. Como aún no has llegado, necesitas un tiempo futuro: Quando eu chegar.
El portugués distingue entre hechos actuales y posibilidades futuras. Usar el presente se eu tenho suena como una condición permanente, no algo específico del futuro.
Para verbos regulares, sí, son idénticos. Pero para irregulares como 'ter' (tiver vs ter), son diferentes. El contexto de 'se' te dirá cuál es.