Used and loved by millions
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
As has been recognised
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "As has been recognised" is correct and usable in written English.
It can be used to refer to something that has been acknowledged or accepted by others, often in a formal context. Example: "As has been recognised in previous studies, climate change poses a significant threat to biodiversity."
✓ Grammatically correct
News & Media
Science
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
6 human-written examples
Reducing this is tough, as has been recognised by the government.
News & Media
The letter added: "This acknowledges the national importance attached to offering programmes such as these, as has been recognised throughout".
News & Media
"Although of little consolation to Ms Astbury's family, we can assure them we have done everything we can to put those things right which went so very wrong in 2007 and that the standard of care now provided at the hospital has improved considerably over the last few years as has been recognised by many independent organisations and individuals".
News & Media
An alternative way in which hypoxia-selective cytotoxins could be exploited in an anti-metastatic strategy is based on the assumption that early stage metastases will contain hypoxic cell foci, as has been recognised for a number of years (Stanley et al, 1977).
Science
As has been recognised in the 1990s already [ 60], prolongation of retention is in part related to the induction of vacuoles in proximal tubular cells [ 40, 58].
Finally, as has been recognised for a long time, the rate at which characters can become fixed in populations is inversely correlated to the size of those populations [ 44].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Therefore, working with men as well as women has been recognised as key to successfully challenging and transforming gender roles and norms (Barker 2014; Barker et al. 2010; Eves 2005).
The water oxidation reaction stands as the grand challenge for molecular chemists as water has been recognised as the source of protons and electrons to be used in the synthesis of solar fuels.
In spite of this, the latest update caused much wailing and gnashing of teeth as "twerk" has been recognised as a new word worthy of inclusion.
News & Media
This was especially disappointing for the team as Trulli has been recognised throughout his career as one of the fastest drivers in the world over a single lap.
News & Media
"I will give forgiveness if asked," says one, "as long as the damage has been recognised.
News & Media
Expert writing Tips
Best practice
Use "As has been recognised" to introduce information that has been previously acknowledged or established, lending credibility to your statement. This phrase works particularly well in academic and formal writing.
Common error
Avoid using "As has been recognised" in casual conversation or informal writing. Simpler phrases like "As we know" or "It's known that" may be more appropriate.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "As has been recognised" functions as an introductory clause. Ludwig AI confirms that it introduces information that has already been acknowledged, lending authority to the subsequent statement, as seen in the provided examples from diverse sources.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "As has been recognised" is a grammatically sound introductory clause used to reference previously acknowledged information. Ludwig AI indicates that the phrase is most commonly found in formal and scientific contexts, though it appears in news media as well. While effective in lending authority to a statement, it should be avoided in casual or informal settings. Alternatives like "as has been acknowledged" or "it is widely known that" may be appropriate depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
It has been recognised
Removes "as" for a slightly less formal tone, while maintaining the core meaning.
It is recognised that
Emphasizes the fact that is recognised.
As has been acknowledged
Replaces "recognised" with "acknowledged", emphasizing admission or awareness of something.
As has been noted
Substitutes "recognised" with "noted", focusing on the act of observing or mentioning something.
As has been established
Replaces "recognised" with "established", highlighting that something has been firmly proven or accepted.
As is widely known
Uses a more general phrase indicating widespread awareness instead of formal recognition.
It is widely recognised that
Reformulates the sentence to emphasize the general acceptance of a fact or idea.
It is a recognised fact that
Changes the structure to highlight that something is a generally accepted fact.
As is generally understood
Replaces "recognised" with "generally understood", focusing on common understanding.
As has become clear
Shifts the emphasis to the clarity or obviousness of something.
FAQs
How can I use "As has been recognised" in a sentence?
You can use "As has been recognised" to introduce a statement that has already been acknowledged or established, for example: "As has been recognised, climate change poses significant environmental challenges".
What are some alternatives to "As has been recognised"?
Alternatives include "as has been acknowledged", "as has been noted", or "it is widely known that", depending on the specific nuance you want to convey.
Is there a difference between "As has been recognised" and "It has been recognised"?
While similar, "As has been recognised" often implies a more direct reference to previous acknowledgements, whereas "It has been recognised" is a more general statement. Also, "As" can often be omitted.
In what contexts is "As has been recognised" most appropriate?
"As has been recognised" is suitable for formal writing, academic papers, and professional reports where referencing established knowledge is important. Consider alternatives in less formal settings.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested