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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has been extant
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has been extant" is correct and usable in written English.
It can be used to indicate that something has existed or been present for a certain period of time. Example: "The manuscript has been extant since the 15th century, providing valuable insights into the history of the region."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
has been existing
has been present
has existed
has been around
has been in existence
has prevailed
has remained
has survived
has endured
has been presented
has been cheap
has been abusive
has been perky
has been rife
has been untouched
has been good
has been powerless
has been terrific
has been proactive
has been exponential
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
5 human-written examples
But consider the lesser uni-table, which has been extant for 35 years and is also known as doop.
News & Media
The NRFL project has been extant for two years, with Rugby Law having hosted talent combines in Minnesota and Los Angeles as it looks to create a professional league.
News & Media
And even "new" trucks use ancient technology that has been extant in pickups for at least 60 years.
News & Media
Legitimate use of arsenic compounds as drugs has been extant since the advent of salvarsan in 1909.
Science
Efforts to establish the rate of mutation of these isolates or genome analysis of a more temporally and spatially diverse collection of isolates from this region might help estimate the amount of time M. ulcerans has been extant in West Africa.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Archaeobotanical studies confirm that some of those plants were available and used by humans in the past while others would have been extant at least in forest refugia, even during glacial periods.
Science
The 25 leaves now lost must have been extant when that note was written.
Wiki
Analysis of eukaryotic proteomes has shown that all but a small proportion of the eukaryotic protein repertoire is formed from protein domains which have been extant since the origin of eukaryotes [ 67].
Science
The original manuscript has been lost; extant copies were made during Emmett's retirement, starting in the 1890s.
Wiki
Endogamy has been common among extant and historical aristocracies, religious groups, ethnic groups, and social classes.
Encyclopedias
While the importance of EMA to corporate sustainability has been increasingly acknowledged, extant literature has drawn little attention on assessing and understanding EMA application and its effectiveness on the quality of carbon emission management and disclosure.
Expert writing Tips
Best practice
Use "has been extant" when you want to convey that something has existed for a considerable time, especially when emphasizing its persistence or historical significance. It adds a formal and somewhat sophisticated tone to your writing.
Common error
Avoid using "has been extant" in casual conversations or informal writing. Opt for simpler alternatives like "has existed" or "has been around" to maintain a natural and approachable tone.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has been extant" functions as a stative verb phrase, indicating that something has existed or been in a particular state for a period. Ludwig confirms its correctness and usability in written English.
Frequent in
Science
60%
News & Media
20%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "has been extant" is a grammatically correct and usable expression in English, indicating that something has existed for a certain period. According to Ludwig, it is most appropriate for formal and scientific contexts, where it conveys a sense of longevity and historical significance. While simpler alternatives like "has existed" or "has been around" may be preferable in informal settings, "has been extant" adds a sophisticated tone when used correctly. The phrase is frequently found in scientific and news media sources.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has existed
Replaces "extant" with a more common synonym, focusing on the fact of existence.
has been in existence
Emphasizes the state of existing over a period.
has been present
Highlights the presence or availability of something.
has prevailed
Implies continued existence despite challenges or changes.
has remained
Focuses on the continuation of a state or condition.
has survived
Suggests existence through a difficult period or event.
has endured
Implies lasting existence over a significant amount of time.
has been around
An informal way of saying something has existed for a while.
has been the case
Indicates that a situation or fact has been true for some time.
has held true
Indicates that something has remained valid or accurate.
FAQs
What does "has been extant" mean?
The phrase "has been extant" means that something has existed or been in existence for a particular period. It's often used in formal writing to indicate longevity or historical presence.
How can I use "has been extant" in a sentence?
You can use "has been extant" to describe the duration of something's existence, such as "This tradition "has been extant" for centuries".
Are there simpler alternatives to "has been extant"?
Yes, alternatives include "has existed", "has been present", or "has been around" depending on the context.
Is "has been extant" appropriate for all types of writing?
While grammatically correct, "has been extant" is more suited for formal or academic writing. In informal contexts, using simpler phrases like "has existed" or "has been around" is preferable.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested