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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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will have existed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "will have existed" is correct and usable in written English.
It is typically used to indicate that something will be in existence at a specific point in the future, often in the context of future perfect tense. Example: "By the end of the century, many species will have existed for millions of years."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Next month, Facebook will have existed for ten years.

News & Media

The New Yorker

E-mail address GO SIGN UP Share Tweet Next month, Facebook will have existed for ten years.

News & Media

The New Yorker

In other words, we're probably living neither during the first two and a half per cent nor during the last two and a half per cent of all the time that human beings will have existed.

News & Media

The New Yorker

A classier kind of Copycat Copycat apps, or copy capps, if you will, have existed for generations.

News & Media

Huffington Post

If the cumulative effect of selection forces is quite small and negative on a particular CNV allele, then the CNV allele will have existed for a while but not in the long term (Innan and Kondrashov 2010).

The very large size of the trial population meant that it would have been impractical to collect and analyse detailed (and largely qualitative) information on variations in assessment practices; by the same token it is likely that within the trial there was a range of assessment models, some of which will have existed outside the sites as well.

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

Since the death of his parents when he was 9, Will has existed in a state of arrested development that a more hardheaded film might identify as extreme post-traumatic stress.

News & Media

The New York Times

If Thursday fails, her husband -- for an extremely complicated set of reasons -- will never have existed.

Ms Minto said: "Many of these issues will always have existed, but with better understanding of the problems and ChildLine now offering online chats, which can be easier than picking up the phone, more young people are seeking help".

Whatever good will might have existed, however, was put into some doubt over the Afiuni affair.

News & Media

Huffington Post

Though Romana reveals that the equipment will bring him back after two minutes, the Doctor asserts that it is enough time for Scaroth to stop the explosion of the Jagaroth ship, itself the source of the spark of energy that created the beginnings of life on Earth; should Scaroth prevent the explosion, every native living being on the planet will never have existed.

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Expert writing Tips

Best practice

Use "will have existed" to describe events or entities that will be in a state of completion or existence at a specific point in the future. For example, "By 2050, many technologies we use today will have existed for decades".

Common error

Avoid using "will have existed" when the simple future or future continuous tenses are more appropriate. "Will exist" describes a future state, while "will be existing" describes an ongoing state in the future. "Will have existed" should be reserved for actions completed before a future time.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "will have existed" functions as a verb phrase in the future perfect tense. It indicates that an action or state of being will be completed before a specific point in the future. As Ludwig AI explains, this usage aligns with established grammatical rules.

Expression frequency: Uncommon

Frequent in

News & Media

50%

Science

41%

Wiki

9%

Less common in

Encyclopedias

0%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "will have existed" is a grammatically sound verb phrase in the future perfect tense, used to express that something will be in existence or completed before a specific time in the future. As Ludwig AI confirms, this phrase is correct and applicable in written English. It appears most frequently in news and media, and scientific contexts. While interchangeable with phrases like "will have been around" or "will have been in existence", it's crucial to use it correctly to avoid tense confusion. To this point, it is important to consider the examples and the overall context when employing "will have existed" in your writing.

FAQs

How to use "will have existed" in a sentence?

Use "will have existed" to describe something that will be in existence before a specific point in the future. For example: "By the time humans colonize Mars, the International Space Station "will have existed" for over a century."

What can I say instead of "will have existed"?

You can use alternatives such as "will have been around", "will have been in existence", or "will have been present" depending on the specific context and nuance you want to convey.

What is the difference between "will exist" and "will have existed"?

"Will exist" refers to something that will be in existence at some point in the future. "Will have existed", on the other hand, refers to something that will already be in existence before a specified time in the future. The latter emphasizes completion or duration before that future point.

Is "will have been existed" grammatically correct?

No, "will have been existed" is grammatically incorrect. The correct future perfect form is ""will have existed"". The auxiliary verb "be" is unnecessary and creates a redundant construction.

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Source & Trust

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Expert rating

Real-world application tested

Most frequent sentences: