Futuro Perfecto en Inglés: Will Have Done (Future Perfect)
will have doneGrammar Rule in 30 Seconds
The Future Perfect describes an action that will be finished before a specific point in the future.
- Use 'will have' + the past participle (e.g., 'will have eaten').
- It always looks back from a future point to a completed action.
- Commonly used with 'by' or 'by the time' (e.g., 'by tomorrow').
Overview
will have done, es una herramienta esencial para hablar de acciones que estarán terminadas antes de un punto específico en el futuro. Si eres hablante nativo de español, esto te resultará muy familiar, ya que es el equivalente directo a nuestro futuro compuesto (ej. habré terminado).will, el auxiliar have se mantiene invariable para todos los sujetos. ¡Es una gran ventaja!Para el viernes, habré enviado el reporte. En inglés dirías:
By Friday, I will have sent the report.I will send), que solo indica una acción futura, el futuro perfecto añade esa capa de finalización que nos permite medir el progreso antes de que llegue un evento determinado.retrospección desde un punto futuro. Es como si pudieras teletransportarte al futuro, mirar hacia atrás y ver qué cosas ya se habrán realizado. En español, este concepto lo manejamos con el futuro perfecto del modo indicativo.
will (que marca la futuridad) y el aspecto perfecto have + participio (que marca la terminación).will have (invariable) |-ed / irregular |Action completed before a future time |yo habré comido, tú habrás comido,
él habrá comido. En inglés, el auxiliar have nunca cambia a has, incluso si el sujeto es he, she o it.will es un verbo modal y, por regla gramatical, el verbo que lo sigue debe estar siempre en su forma base. Así que olvídate de las conjugaciones complejas; aquí solo necesitas aprenderte el participio del verbo principal. Por ejemplo, si quieres decir que para las 8:00 PM ya habrás terminado de ver tu serie en Netflix, dirías: By 8 PM, I will have finished watching my show.Sujeto + will + have + Participio Pasado.- Sujeto: La persona o cosa que realiza la acción.
- will: El marcador de futuro.
- have: El auxiliar que indica la perspectiva de finalización.
- Participio Pasado: La forma del verbo que termina en -ed (para regulares) o la forma irregular (ej.
eaten,written,gone).
will have | finished | I will have finished |will have | finished | She will have finished |not después de will (will not have o la contracción won't have). Para preguntar, mueve el will al principio: Will you have finished?. ¡Ojo!will have eated, recuerda que el participio de eat es eaten. Es un error común, pero con práctica se vuelve automático.- 1Plazos y fechas límite: Cuando quieres enfatizar que algo estará listo para un momento dado. Ejemplo:
By the time you arrive, I will have cooked dinner. (Para cuando llegues, ya habré cocinado la cena). - 2Secuencia de eventos: Cuando una acción debe terminar antes de que empiece otra en el futuro. Ejemplo:
They will have left the office before the boss arrives. (Ellos se habrán ido de la oficina antes de que llegue el jefe). - 3Duración acumulada: Para hablar de cuánto tiempo habrás estado haciendo algo. Ejemplo:
In June, I will have lived in London for two years. (En junio, habré vivido en Londres por dos años).
By the end of this call, we will have decided the strategy. Esto comunica seguridad y eficiencia.- 1Uso de
hasen lugar dehave: Por nuestra costumbre de conjugar (él habrá,ella habrá), muchos estudiantes dicenHe will has finished. ¡Error fatal! En inglés, después dewill, el auxiliar siempre eshave. La regla es inamovible. - 2Confundir el Future Perfect con el Future Simple: A veces usamos el futuro simple cuando queremos enfatizar la finalización. Decir
I will finish my homework by 5:00es aceptable, peroI will have finished my homework by 5:00es mucho más natural porque enfatiza el estado detarea completadaal llegar las 5:00. - 3Falsos amigos en la estructura: A veces intentamos traducir literalmente estructuras del español que no existen. Por ejemplo, intentar usar un presente en inglés para algo que ya estará terminado (
By tomorrow, I finish
) es incorrecto. El inglés requiere elwill havepara marcar esa perspectiva futura.
will do | Predicción o decisión espontánea |will be doing | Acción en progreso en el futuro |will have done | Acción completada antes de un punto futuro |I will be eating at 8:00, significa que a las 8:00 estarás en medio de la comida. Si dices I will have eaten at 8:00, significa que a las 8:00 ya habrás terminado de comer. ¡La diferencia es enorme!- 1¿Puedo usar contracciones? Sí, es muy común.
I'll have finished,You'll have finished. En negativo,won't havees la forma estándar. - 2¿Es obligatorio usar
by? No es obligatorio, pero es la preposición más común para establecer el punto de referencia (ej.By Monday,By next year). - 3¿Qué pasa con los verbos irregulares? Debes memorizar la tercera columna de la lista de verbos. No hay atajos, pero recuerda que el
will havenunca cambia, lo que te ahorra mucho trabajo comparado con el español.
Conjugating 'To Finish' in Future Perfect
| Subject | Auxiliary | Perfective | Past Participle |
|---|---|---|---|
|
I
|
will
|
have
|
finished
|
|
You
|
will
|
have
|
finished
|
|
He/She/It
|
will
|
have
|
finished
|
|
We
|
will
|
have
|
finished
|
|
They
|
will
|
have
|
finished
|
Contractions in the Future Perfect
| Full Form | Contraction | Negative Contraction |
|---|---|---|
|
I will have
|
I'll have
|
I won't have
|
|
You will have
|
You'll have
|
You won't have
|
|
He will have
|
He'll have
|
He won't have
|
|
She will have
|
She'll have
|
She won't have
|
|
It will have
|
It'll have
|
It won't have
|
|
We will have
|
We'll have
|
We won't have
|
|
They will have
|
They'll have
|
They won't have
|
Meanings
Used to express an action that will be completed between now and a specific point in the future.
Future Completion
An action that is finished before another action or time in the future.
“I will have finished the report by 5 PM.”
“They will have arrived before the party starts.”
Duration in the Future
To show how long an action has been happening at a specific point in the future (usually with stative verbs).
“By next Monday, I will have been in this job for ten years.”
“They will have been married for fifty years this June.”
Logical Assumption (Past)
To express a strong belief or certainty that something happened in the past (similar to 'must have').
“You will have heard the news already, I assume.”
“He will have forgotten about the meeting by now.”
Reference Table
| Tipo | Estructura | Ejemplo | Característica Clave |
|---|---|---|---|
|
Afirmativa
|
Sujeto + will have + Participio Pasado
|
I will have finished
|
Acción completada para el futuro
|
|
Negativa
|
Sujeto + will not have + Participio Pasado
|
She won't have arrived
|
Acción no completada para el futuro
|
|
Pregunta
|
Will + Sujeto + have + Participio Pasado?
|
Will they have eaten?
|
Pregunta sobre la finalización futura
|
|
Contracción (Afirmativa)
|
Sujeto + 'll have + Participio Pasado
|
You'll have studied
|
Inglés informal, hablado
|
|
Contracción (Negativa)
|
Sujeto + won't have + Participio Pasado
|
We won't have left
|
Negativa informal, hablada
|
Espectro de formalidad
The committee will have finalized the proposal by Friday. (Workplace productivity)
I will have finished the report by the end of the day. (Workplace productivity)
I'll have it done by tonight. (Workplace productivity)
I'll have it knocked out by 5. (Workplace productivity)
Futuro Perfecto: Un Vistazo Rápido
Estructura
- will + have + Participio Pasado Siempre 'have', nunca 'has' después de 'will'
- Contracciones 'I'll have', 'won't have'
Usos Clave
- Fecha Límite Futura By 2025, I will have graduated.
- Antes de Evento Futuro When you arrive, I will have cooked.
Marcadores de Tiempo
- by By next week, by 7 PM
- before Before he leaves
- when When she calls
Errores Comunes
- Usar 'has' Incorrecto: She will has done.
- Participio incorrecto Incorrecto: I will have write.
Tiempos Futuros: ¿Cuándo Usar Cuál?
¿Es el Futuro Perfecto Adecuado para Ti?
¿Estás hablando de una acción que ocurre en el futuro?
¿Esta acción estará *completada* para un momento específico o antes de otro evento en el futuro?
¿La acción estará *en progreso* en un momento futuro específico?
Futuro Perfecto en Contexto
Planificación y Plazos
- • By Friday, I will have finished.
- • The report will have been submitted.
Predicciones y Expectativas
- • He will have heard the news.
- • She'll have seen my story.
Secuencia de Eventos
- • When you arrive, I will have cooked.
- • Before sunrise, preparations will have been completed.
Duración hasta un Punto Futuro
- • By December, I will have worked here for a year.
- • We'll have lived here for five years.
Ejemplos por nivel
By 6:00, I will have finished.
By 6:00, I will have finished.
I will have eaten by then.
I will have eaten by then.
Will you have finished your homework?
Will you have finished your homework?
She will have gone to bed.
She will have gone to bed.
By next week, we will have moved house.
By next week, we will have moved house.
I won't have finished the book by tomorrow.
I won't have finished the book by tomorrow.
Will they have arrived by dinner time?
Will they have arrived by dinner time?
By noon, he will have cleaned the car.
By noon, he will have cleaned the car.
By the time you read this, I will have left.
By the time you read this, I will have left.
In two years, I will have completed my degree.
In two years, I will have completed my degree.
They will have built the new bridge by 2025.
They will have built the new bridge by 2025.
Will you have saved enough money by summer?
Will you have saved enough money by summer?
By next month, I will have been with the company for five years.
By next month, I will have been with the company for five years.
The movie will have started by the time we get to the cinema.
The movie will have started by the time we get to the cinema.
Won't you have finished your exams by the end of June?
Won't you have finished your exams by the end of June?
By the time she retires, she will have taught thousands of students.
By the time she retires, she will have taught thousands of students.
You will have noticed that the market has shifted recently.
You will have noticed that the market has shifted recently.
By the end of the decade, technology will have transformed our lives.
By the end of the decade, technology will have transformed our lives.
The package will have been delivered by now, surely.
The package will have been delivered by now, surely.
By the time the government acts, the damage will have been done.
By the time the government acts, the damage will have been done.
Doubtless, he will have anticipated our every move.
Doubtless, he will have anticipated our every move.
By the turn of the century, these traditions will have all but vanished.
By the turn of the century, these traditions will have all but vanished.
The architect will have intended for the light to hit the altar at noon.
The architect will have intended for the light to hit the altar at noon.
Should you arrive late, the ceremony will have already concluded.
Should you arrive late, the ceremony will have already concluded.
Fácil de confundir
Learners use 'will be doing' when they mean the action is finished.
Both use 'have + V3', but one is for the past and one is for the future.
Simple future doesn't emphasize the 'before' relationship.
Errores comunes
By 5:00 I will finish.
By 5:00 I will have finished.
I will have finish.
I will have finished.
He will has finished.
He will have finished.
I will have went.
I will have gone.
By the time he will arrive, I will have finished.
By the time he arrives, I will have finished.
I will have been finished.
I will have finished.
Will have you finished?
Will you have finished?
I will have finished since two hours.
I will have finished in two hours.
I will have finished until 5 PM.
I will have finished by 5 PM.
By next year I will have had a car.
By next year I will have bought a car.
They will have arrived by yesterday.
They will have arrived by now.
Patrones de oraciones
By the time ___, I will have ___.
In ___ years' time, she will have ___.
Will you have ___ by ___?
The ___ will have been ___ by ___.
Real World Usage
By this time next year, I will have completed my certification.
We will have migrated all data by the end of the weekend.
We'll have reached the border by sunrise.
This study will have demonstrated the link between the two variables.
I'll have finished my shower in 10 mins, then I can talk.
The company will have doubled its revenue by 2030.
Busca frases con 'by'
The Future Perfect loves deadlines!
No confundas 'have' y 'has'
Domina los verbos irregulares
Master irregular verbs!Uso informal de contracciones
Using them will make your English sound more natural.
Piensa hacia atrás desde el futuro
Imagine yourself at a future point, looking back.
Smart Tips
Use the Future Perfect to describe your expected graduation or certification dates to sound professional.
Check if you are using a stative verb like 'be' or 'live'. If so, Future Perfect is likely needed.
If you forget the V3, use a synonym that is regular. Instead of 'written', use 'completed'.
Always tap your watch. 'By the time' is a trigger for the Future Perfect in the other half of the sentence.
Pronunciación
The 'Will Have' Reduction
In natural speech, 'will have' is often reduced to 'wull-uv' or even 'wuv'.
Contraction Stress
When using 'I'll have', the stress is usually on the past participle, not the auxiliary.
Rising-Falling for Statements
By tomorrow, I will have finished ↘
Conveys certainty and completion.
Memorízalo
Mnemotecnia
Remember 'W.H.P.' — Will Have Participle. It's the 'What Has Passed' in the future.
Asociación visual
Imagine a finish line in the future. You are standing past the finish line, looking back at the race you just completed. That 'looking back' is the Future Perfect.
Rhyme
By the time the clock strikes ten, I will have put away my pen.
Story
Imagine a robot named 'Will-Have'. Will-Have only talks about things he finishes. 'By tomorrow, I will have cleaned the planet,' he says. He always looks at his watch and then at a completed task.
Word Web
Desafío
Write down three things you will have accomplished by the end of this year using 'I will have...'
Notas culturales
British speakers use the Future Perfect more frequently as a modal of deduction (e.g., 'You will have seen the news').
Highly common in 'corporate speak' to emphasize accountability and deadlines.
Often shortened significantly in casual speech, sometimes omitting 'have' entirely in very broad accents (though not grammatically correct).
The Future Perfect in English developed from the combination of the modal 'will' (originally meaning 'to want') and the perfect aspect 'have + participle'.
Inicios de conversación
What will you have accomplished by the time you are 50?
By the end of this month, what will you have learned in English?
If you travel to Japan next year, what cities will you have visited by the end of your trip?
By the time the next election happens, what will have changed in your country?
Temas para diario
Errores comunes
Test Yourself
By Saturday morning, I ___ all my packing for the trip.
Find and fix the mistake:
She will has graduated by next June.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Score: /3
Ejercicios de practica
8 exercisesBy next month, I ___ (finish) my English course.
Which sentence is grammatically correct?
Find and fix the mistake:
By the time you will get here, I will have cooked dinner.
I am going to finish the report before 5 PM.
Match 'I will be working' and 'I will have worked'.
A: Can we meet at 7 PM? B: No, I ___ (not/finish) my gym session by then.
You can use 'has' in the Future Perfect if the subject is 'he' or 'she'.
have / they / by / arrived / will / noon / ?
Score: /8
Practice Bank
12 exercisesWhen you arrive, I ___ the whole apartment.
By her 30th birthday, she ___ around the world.
We won't has finished the project by next Monday.
By the end of the year, I will save enough for a new car.
Choose the correct sentence:
Choose the correct sentence:
Translate into English: 'Para el próximo mes, habré leído tres libros.'
Translate into English: 'Cuando llegue ella, la cena estará lista.' (Focus on completion by arrival)
Arrange these words into a sentence:
Arrange these words into a sentence:
Match the phrases:
Match the questions:
Score: /12
Preguntas frecuentes (8)
In casual speech, yes, but it changes the meaning. `I will finish` means you start finishing at that time. `I will have finished` means it is already done.
This is a rule for all future time clauses (when, before, after, by the time). We use the present tense to refer to the future in these specific clauses.
Not always. It can be the Future Perfect of the verb 'to be' (e.g., `I will have been here for an hour`). It is only passive if followed by another past participle.
It is moderately common. You'll use it most when talking about work deadlines, travel arrivals, or life milestones.
`By` is for a deadline (one point in time). `Until` is for a duration (an action that continues up to a point). You use `by` with Future Perfect.
Yes, but it is very formal and mostly used in British English with 'I' or 'We'. `I shall have finished` is correct but rare.
Most verbs are regular and end in `-ed`. For irregulars, you must memorize the third column of the verb table (e.g., go-went-`gone`).
Yes, in reported speech or conditional sentences (e.g., `He said he would have finished`). This is the 'Future in the Past'.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Futuro Compuesto (Habré cantado)
Spanish uses it more frequently for probability in the present/past.
Futur Antérieur (J'aurai fini)
French requires 'être' for certain verbs of motion, whereas English always uses 'have'.
Futur II (Ich werde abgeschlossen haben)
German speakers usually replace it with the 'Perfekt' (Present Perfect) for simplicity.
〜てしまっているだろう (~te shimatte iru darou)
Japanese relies on context and aspect rather than a dedicated future perfect tense.
سيكون قد (Sa-yakunu qad...)
The particle 'qad' is essential to signal the completion aspect.
已经...了 (Yǐjīng...le)
Meaning is entirely derived from time words (e.g., 'Tomorrow I already finish').
Learning Path
Prerequisites
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