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Formation and usage of the Future Perfect Continuous tense.
The Future Perfect Continuous describes an activity that will have been continuing for a period of time before a specified point in the future.
It looks forward to a future reference point and emphasizes the duration or ongoing nature of an activity up to that point.
By next month, I will have been studying English for three years.
К следующему месяцу я буду изучать английский уже три года.
Duration up to a future point.
By the time you arrive, we will have been waiting for two hours.
К тому времени как ты приедешь, мы будем ждать уже два часа.
Activity continuing until a future event.
In July, she will have been working at the company for five years.
В июле она будет работать в компании уже пять лет.
Expected duration.
The Future Perfect Continuous is formed with will have been followed by the present participle of the main verb.
The basic structure is subject + will have been + verb-ing. For example, I will have been working and They will have been travelling.
I will have been working.
Я буду работать (в течение некоторого времени).
will have been + verb-ing.
They will have been travelling.
Они будут путешествовать (в течение некоторого времени).
will have been + verb-ing.
She will have been studying.
Она будет учиться (в течение некоторого времени).
will have been + verb-ing.
Affirmative sentences use will have been followed by the -ing form of the main verb.
For example, By June, she will have been working here for ten years.
By June, she will have been working here for ten years.
К июню она будет работать здесь уже десять лет.
Affirmative with will have been + -ing.
By the end of the year, he will have been living in London for eight years.
К концу года он будет жить в Лондоне уже восемь лет.
Affirmative.
By Friday, we will have been travelling for a week.
К пятнице мы будем путешествовать уже неделю.
Affirmative.
Form negative Future Perfect Continuous sentences by placing not after will.
For example, By midnight, they will not have been travelling for very long.
By midnight, they will not have been travelling for very long.
К полуночи они не будут путешествовать очень долго.
Negative: will not have been + -ing.
She will not have been working here for a full year by then.
К тому времени она не будет работать здесь полный год.
Negative.
We won't have been waiting long when the bus arrives.
Мы не будем ждать долго, когда приедет автобус.
Negative with won't.
Form Future Perfect Continuous questions by placing will before the subject.
For example, Will you have been working there for five years by then?
Will you have been working there for five years by then?
К тому времени ты будешь работать там уже пять лет?
Yes/no question.
How long will she have been living here by next year?
Как долго она будет жить здесь к следующему году?
How long question.
Will they have been travelling for a month by the end of the trip?
К концу поездки они будут путешествовать уже месяц?
Question.
Short answers to Future Perfect Continuous questions normally use will or will not.
For example, Yes, I will. No, she will not.
Will you have been working long? — Yes, I will.
Ты будешь долго работать? — Да.
Short answer.
Will she have been studying all day? — No, she won't.
Она будет учиться весь день? — Нет.
Negative short answer.
Will they have been waiting long? — Yes, they will.
Они будут долго ждать? — Да.
Short answer.
Use the Future Perfect Continuous to emphasize how long an activity will have continued by a future reference point.
For example, By next month, I will have been studying English for three years.
By next month, I will have been studying English for three years.
К следующему месяцу я буду изучать английский уже три года.
Emphasizes duration before a future point.
By the end of the week, she will have been working on the project for two months.
К концу недели она будет работать над проектом уже два месяца.
Duration.
By 2030, they will have been developing the software for five years.
К 2030 году они будут разрабатывать программное обеспечение уже пять лет.
Duration.
Use for to express the length of an activity and since to identify its starting point.
For example, By December, she will have been living here for five years. By then, he will have been working there since 2021.
By December, she will have been living here for five years.
К декабрю она будет жить здесь уже пять лет.
for + period.
By then, he will have been working there since 2021.
К тому времени он будет работать там с 2021 года.
since + starting point.
By next summer, they will have been traveling for six months.
К следующему лету они будут путешествовать уже шесть месяцев.
for + duration.
Use How long with the Future Perfect Continuous to ask about the duration of an activity up to a future point.
For example, How long will you have been working here by next year?
How long will you have been working here by next year?
Как долго ты будешь работать здесь к следующему году?
Question about duration.
How long will she have been studying English by the time she graduates?
Как долго она будет изучать английский к моменту окончания учёбы?
How long question.
How long will they have been living in this city by next month?
Как долго они будут жить в этом городе к следующему месяцу?
Duration question.
The tense describes an activity that begins before a future reference point and continues up to or around that point.
For example, By the time you arrive, we will have been waiting for an hour.
By the time you arrive, we will have been waiting for an hour.
К тому времени как ты приедешь, мы будем ждать уже час.
Activity continuing until a point.
By the time the concert starts, she will have been practicing for months.
К началу концерта она будет репетировать уже несколько месяцев.
Ongoing activity before future event.
When the guests arrive, I will have been cooking all afternoon.
Когда гости придут, я буду готовить весь день.
Background duration.
The Future Perfect Continuous can explain a future situation by describing an activity that will have been continuing before it.
For example, By the evening, he will be tired because he will have been working all day.
By the evening, he will be tired because he will have been working all day.
К вечеру он устанет, потому что будет работать весь день.
Cause: continuous work; result: tiredness.
She will be hungry because she will have been dieting for a week.
Она будет голодна, потому что будет сидеть на диете уже неделю.
Cause and result.
The roads will be wet because it will have been raining.
Дороги будут мокрыми, потому что будет идти дождь (в течение некоторого времени).
Earlier activity causing future state.
The tense can emphasize the expected duration of a future activity.
For example, In July, the company will have been operating for twenty years.
In July, the company will have been operating for twenty years.
В июле компания будет работать уже двадцать лет.
Expected duration.
By next week, she will have been training for the marathon for five months.
К следующей неделе она будет тренироваться для марафона уже пять месяцев.
Expected duration.
By the end of the year, they will have been working on the project for three years.
К концу года они будут работать над проектом уже три года.
Duration.
The Future Perfect Continuous can describe repeated or ongoing activity occurring over a period leading up to a future point.
For example, By the end of the campaign, they will have been visiting schools across the country for months.
By the end of the campaign, they will have been visiting schools across the country for months.
К концу кампании они будут посещать школы по всей стране уже несколько месяцев.
Repeated activity over a period.
By July, she will have been giving presentations every week for a year.
К июлю она будет проводить презентации каждую неделю уже год.
Repeated.
By the end of the season, he will have been playing for the team for six months.
К концу сезона он будет играть за команду уже шесть месяцев.
Repeated activity.
The Future Perfect Continuous can emphasize a temporary activity that will have continued for some time by a future date.
For example, By August, I will have been working remotely for six months.
By August, I will have been working remotely for six months.
К августу я буду работать удалённо уже шесть месяцев.
Temporary activity with duration.
By the time the project ends, she will have been staying in a hotel for a month.
К моменту окончания проекта она будет жить в отеле уже месяц.
Temporary situation.
By next month, they will have been using a temporary office for half a year.
К следующему месяцу они будут пользоваться временным офисом уже полгода.
Temporary activity.
The Future Perfect usually emphasizes completion, quantity, or result, while the Future Perfect Continuous emphasizes duration or ongoing activity.
Compare By June, I will have written the book with By June, I will have been writing the book for a year.
By June, I will have written the book.
К июню я напишу книгу.
Future Perfect: completion.
By June, I will have been writing the book for a year.
К июню я буду писать книгу уже год.
Future Perfect Continuous: duration.
By Friday, they will have completed the project.
К пятнице они завершат проект.
Completion.
By Friday, they will have been working on the project for three months.
К пятнице они будут работать над проектом уже три месяца.
Duration.
The Future Continuous describes an activity in progress at a future time, while the Future Perfect Continuous emphasizes how long the activity will have been continuing by that time.
Compare At six I will be working with At six I will have been working for three hours.
At six I will be working.
В шесть я буду работать.
Future Continuous: activity in progress at that time.
At six I will have been working for three hours.
В шесть я буду работать уже три часа.
Future Perfect Continuous: duration up to that time.
When you arrive, she will be cooking.
Когда ты приедешь, она будет готовить.
Future Continuous: in progress.
When you arrive, she will have been cooking for two hours.
Когда ты приедешь, она будет готовить уже два часа.
Future Perfect Continuous: duration.
The Present Perfect Continuous connects a past activity with the present, while the Future Perfect Continuous projects the duration of an activity forward to a future point.
Compare I have been working here for five years with By next year, I will have been working here for six years.
I have been working here for five years.
Я работаю здесь уже пять лет.
Present Perfect Continuous: up to now.
By next year, I will have been working here for six years.
К следующему году я буду работать здесь уже шесть лет.
Future Perfect Continuous: up to future point.
She has been studying English for two years.
Она изучает английский уже два года.
Present Perfect Continuous.
By the end of the year, she will have been studying English for three years.
К концу года она будет изучать английский уже три года.
Future Perfect Continuous.
The Past Perfect Continuous looks back from a past reference point, while the Future Perfect Continuous looks forward to a future reference point.
Compare By the time she arrived, I had been waiting for an hour with By the time she arrives, I will have been waiting for an hour.
By the time she arrived, I had been waiting for an hour.
К тому времени как она пришла, я ждал уже час.
Past Perfect Continuous: looking back from past point.
By the time she arrives, I will have been waiting for an hour.
К тому времени как она придёт, я буду ждать уже час.
Future Perfect Continuous: looking forward to future point.
They had been living there for ten years before they moved.
Они жили там десять лет, прежде чем переехали.
Past Perfect Continuous.
By next month, they will have been living there for ten years.
К следующему месяцу они будут жить там уже десять лет.
Future Perfect Continuous.
Stative verbs are not normally used in the Future Perfect Continuous when they describe states rather than dynamic activities.
For example, use will have known rather than will have been knowing.
By next year, I will have known her for ten years.
К следующему году я буду знать её уже десять лет.
Stative: use Future Perfect, not continuous.
By then, she will have believed in the project for a long time.
К тому времени она будет верить в проект уже долгое время.
Stative verb "believe" used in Future Perfect.
By the end of the year, they will have owned the house for twenty years.
К концу года они будут владеть домом уже двадцать лет.
Stative "own" not continuous.
Some verbs may appear in either the Future Perfect or Future Perfect Continuous depending on whether the focus is on a result or an ongoing activity.
For example, By next year, I will have lived here for ten years and By next year, I will have been living here for ten years can both be appropriate.
By next year, I will have lived here for ten years.
К следующему году я буду жить здесь уже десять лет.
Future Perfect: state/result.
By next year, I will have been living here for ten years.
К следующему году я буду жить здесь уже десять лет.
Future Perfect Continuous: also possible, emphasises ongoing.
By the end of the week, she will have worked here for a year.
К концу недели она будет работать здесь уже год.
Future Perfect.
By the end of the week, she will have been working here for a year.
К концу недели она будет работать здесь уже год.
Continuous possible.
By and by the time commonly introduce the future reference point used with the Future Perfect Continuous.
For example, By the time you arrive, we will have been waiting for two hours.
By the time you arrive, we will have been waiting for two hours.
К тому времени как ты приедешь, мы будем ждать уже два часа.
By the time clause.
By next month, she will have been working here for a year.
К следующему месяцу она будет работать здесь уже год.
By + future point.
By the end of the day, they will have been travelling for twelve hours.
К концу дня они будут путешествовать уже двенадцать часов.
By the end of.
The Future Perfect Continuous commonly occurs with expressions that specify a future reference point or duration.
Common expressions include by then, by next year, for three years, since 2022, and by the time.
By then, I will have been working here for five years.
К тому времени я буду работать здесь уже пять лет.
By then.
By next year, she will have been studying English for a decade.
К следующему году она будет изучать английский уже десять лет.
By next year.
By the time we meet, they will have been living in Paris for a year.
К моменту нашей встречи они будут жить в Париже уже год.
By the time.
The Future Perfect Continuous is relatively specialized and is more common when duration is important in formal, technical, or explanatory contexts.
In everyday speech, simpler future forms are often preferred when the duration is not central to the meaning.
By the conclusion of the study, the researchers will have been collecting data for three years.
К завершению исследования учёные будут собирать данные уже три года.
Formal/academic context.
By next quarter, the department will have been operating under the new policy for six months.
К следующему кварталу отдел будет работать по новой политике уже шесть месяцев.
Formal usage.
In daily conversation, this tense is rare because simpler forms are preferred.
В повседневной речи это время встречается редко, так как предпочитаются более простые формы.
Usage note.
Choose the Future Perfect when completion or result is central and the Future Perfect Continuous when duration or ongoing activity is central.
Compare By Friday, she will have completed the project with By Friday, she will have been working on the project for three months.
By Friday, she will have completed the project.
К пятнице она завершит проект.
Completion important: Future Perfect.
By Friday, she will have been working on the project for three months.
К пятнице она будет работать над проектом уже три месяца.
Duration important: Future Perfect Continuous.
By next year, they will have saved enough money.
К следующему году они накопят достаточно денег.
Result.
By next year, they will have been saving money for five years.
К следующему году они будут копить деньги уже пять лет.
Duration.
Use will have been followed by the correct -ing form and a meaningful future reference point.
Common mistakes include omitting been, using the past participle instead of the -ing form, confusing duration with completion, and using the continuous form with stative verbs.
By June, I will have working here for five years.
К июню я буду работать здесь пять лет.
Incorrect: missing "been"; should be "will have been working".
By then, she will have been worked here for a year.
К тому времени она будет работать здесь год.
Incorrect: use -ing form "working", not past participle.
By Friday, I will have been finishing the project.
К пятнице я закончу проект.
Incorrect: for completion use Future Perfect simple "will have finished", not continuous.
By next year, we will have been knowing each other for ten years.
К следующему году мы будем знать друг друга десять лет.
Incorrect: stative "know" should use "will have known".
By July, they will have been travelling since two years.
К июлю они будут путешествовать уже два года.
Incorrect: use "for two years" or "since 2021", not "since two years".