Future perfect (in English): structure and examples

He future perfect It is a compound tense that is used to express actions that will have been performed and completed before a specific time in the future. For example: By the year 2026 I will have finished university./ By the year 2026 I will have finished university.

The actions expressed in future perfect they imply placing oneself in a future time and looking back, towards a “past”, which (from the present) has not yet happened. The future perfect is translated as “I will have (done)” or “I will have (done)”. For example: By the end of the month I will have moved./ By the end of the month I will have moved.

The future perfect is usually used in combination with prepositions and adverbs that express a deadline date or time. For example: by the year 2025(by the year 2025),before the end of the month(before the end of the month),by the time I get home(for when I get home).

• It can help you: Future Simple in English

structure of future perfect

He future perfect It is a compound tense, that is, it has auxiliaries to form the positive structure. It is formed with

will + have(as assistant) + past participle.

affirmative structure

Subject	will have	past participate
Yo you I have She Item We They	will have	donate

For example: Yo will have finished this job by tomorrow./ I will have finished this work by tomorrow.

negative structure

Subject	will not (won't) have	past participle
Yo you I have She Item We They	won't have	gone

For example: Yo will not have finished this job by tomorrow. / I won't have finished this work by tomorrow.

Attention:will not can be contracted in won't. For example: Yo won't have finished this job by tomorrow.

interrogative structure

Will	subject	have + past participle
Will	Yo you I have she Item we they	have played?

For example:Will you have finished this job by tomorrow?/ Will you have finished this work by tomorrow?

• See also: Irregular verbs

Attention: There is thefuture perfect continuous, used to emphasize the duration of an action that will have been in progress until a specific time in the future. For example: Next year my father will have been working for the same company for 20 years. / Next year my father will have been working for the same company for 20 years.

other future tenses

There are several tenses that express the future in English. The difference between them is related to the context and what the speaker wants to express:

future tense	Explanation	Example
simple future	It expresses future without another intention or color.	Yo'll sit for the test on August 28.
future continuous	Expresses an action in progress at a future date.	Yo’ll be sitting for the test at 10 a.m. on August 28.
future perfect	Expresses that an action will have been performed by a certain future date.	Yo will have sat for the test by the end of the month.

• It can help you: Sentences with "she will be»

Sentences in future perfect in English

1. Yo will have come back by the time you arrive.
   I'll be back by the time you get there.
2. Alice will have graduated by the time she's twenty five.
   Karen will have graduated by the time she is twenty-five years old.
3. They will have left by tomorrow.
   They will be gone by tomorrow.
4. The cake will have cooled by the time our friends come over.
   The cake will have cooled by the time our friends arrive.
5. detective will have solved the crime by the end of the episode.
   The detective will have solved the crime by the end of the episode.
6. Will you have finished the book by Monday?
   Will you have finished the book by Monday?
7. I have will have understood by then.
   He will have understood by then.
8. In a few years' time he will have forgotten everything that happened today.
   In a few years, he will have forgotten everything that happened today.
9. This time next year you will have visited every important monument in the city.
   By this time next year you will have visited every important monument in the city.
10. With this rain, I will have caught a cold by the time I get home.
    With this rain, I'll have caught a cold by the time I get home.
11. If you come back next Friday, we will have finished the renovation.
    If you come back next Friday, we will have finished the restoration.
12. We will have lived in this house for three years in June.
    In June we will have lived in this house for three years.
13. The cold will have kept the vegetables fresh.
    The cold will have kept the vegetables fresh.
14. The students will have completed all their tests by September 16.
    Students will have completed all of their exams by September 16.
15. We will have come up with a solution by tomorrow.
    We will have thought of a solution by tomorrow.
16. Will you have come back by the time I wake up?
    Will you be back by the time I wake up?
17. They will have built the dam by 2030.
    They will have built the dam by 2030.
18. Sylvia and Mel will have gotten married by the end of the year.
    Sylvia and Mel will be married by the end of the year.
19. The dispute between the company departments will have blown over by the end of the quarter.
    The dispute between company departments will be forgotten by the end of the quarter.
20. They will have looted the town by the end of the day.
    They will have looted the village by the end of the day.
21. Yo will have explained everything before the teacher gets here.
    I will have explained everything before the teacher arrives.
22. Item will have stopped raining by the afternoon.
    It will have stopped raining by afternoon.
23. I have will have planned everything before the trip.
    You will have planned everything before the trip.
24. Next week I will have finished the book.
    Next week I will have finished the book.
25. I have he will have thought of another excuse for the next meeting.
    He will have thought of another excuse for the next meeting.
26. scientists he will have discovered a cure for the disease before the next decade.
    Scientists will have discovered a cure for the disease before the next decade.
27. Next time you see him he will have reconsidered his position.
    The next time you see him he will have reconsidered his position.
28. I will not have forgotten you even in 10 years' time.
    I won't have forgotten you in 10 years.
29. The jewelry will have been stolen by the time the police arrive.
    The jewelry will have been stolen by the time the police arrive.
30. We will have made all the necessary arrangements by the end of the week.
    We will have finished all the necessary preparations by the end of the week.

• See also: Regular verbs

He past participle

He past participle(third column of verbs) is a non-conjugated form that serves to form the perfect tensesin English: the present perfect, he past perfectand the future perfect.

He past participle of the regular verbs is formed by adding the ending –Ed to the infinitive of the verb.

For example: like- liked; work – worked; wash – washed.

The irregular verbs do not follow rules to form the past participle:

Infinitive verb	past participle	tradition
baby	been	state
become	become	turned to
begin	begun	started
blow	blown	blown
bite	bitten	bitten
break	broken	broken
bring	brought	brought, taken with them
buy	bought	bought
catch	caught	seized, taken
choose	chosen	chosen one
eat	eat	I come
cost	cost	side stand
do	donate	made
drink	drunk	drunk
drive	driven	driven
eat	eaten	Eaten
find	found	found
forbidden	forbidden	forbidden
forget	forgotten	forgotten
get	gotten	got
give	given	given
go	gone	gone
have	had	had
hear	heard	ear
hit	hit	struck
hurt	hurt	hurt
keep	kept	kept
know	knew	known, known
learn	learned either learned (regular)	learned
leave	left	left, left, abandoned
lend	slow	borrowed
I know	lost	lost
make	made	made
meet	met	gathered, found
pay	paid	paid
read	read	read
put	put	position
rising	risen	uploaded
run	run	run
say	said	saying
see	seen	seen
send	felt	sent
sit	sat	sitting
steal	stolen	stolen
take	taken	taken
understand	understood	understood
wake up	woken up	woken up
wear	worn	dress, worn
win	won	cattle
write	written	written

Follow with:

• Sentences with "will" and "going to»
• Sentences with "will" and "won't»
• English Past Perfect Sentences
• Sentences in present perfect English

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