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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
as has been explained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as has been explained" is correct and usable in written English.
You can use it when you want to refer to something that has already been previously mentioned or explained. For example: "We need to follow the safety regulations, as has been explained in the meeting earlier today."
✓ Grammatically correct
Science
News & Media
Academia
Encyclopedias
Alternative expressions(17)
as previously stated
as mentioned before
as noted earlier
as discussed above
as shown before
as detailed previously
as demonstrated earlier
as has been disclosed
as has been characterized
as has been suggested
as has been confirmed
as has been implemented
as has been illustrated
as has been acknowledged
as has been indicated
as has been demonstrated
as has been alleged
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
30 human-written examples
As has been explained previously, there is currently no inequality between total REE supply and total REE demand.
The schools use ineffective methods, as has been explained by many authors going back to Rudolf Flesch.
Academia
As has been explained by Lamiell (2003) and others, inter-individual analyses cannot substitute for the study of intra-individual personality dynamics and dispositions.
Science
As has been explained ad nauseam, the threat of defense cuts is supposed to give the Republicans an incentive to play fair with the Democrats in the negotiations.
News & Media
As has been explained ad nauseum, the threat of defense cuts is supposed to give the Republicans an incentive to play fair with the Democrats in the negotiations.
News & Media
And in addition to that, as has been explained by the minister for defence, we are viewing without prejudice our position on the joint comprehensive plan of action, also known as the Iran nuclear deal, Mr Speaker.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
As had been explained to me by several distraught obstetricians, he had severe defects that were incompatible with life, the worst being anencephaly, an absence of a portion of the brain and skull.
News & Media
As have been explained, the local patterns (LP) can be any histogram descriptor based on a local operator such as LBP and its different extensions.
As had been explained to the participants, those who did not respond after a reminder were considered to agree with the text.
Science
Although these discoveries are often presented as having been explained by the atomic or molecular hypothesis, skepticism about the status of atomism persisted throughout the 19th century.
Science
As have been explained in the Introduction section, another perspective to explain behaviour pattern of animals in a patchy environment is area restricted search (ARS) [19][20].
Science
Expert writing Tips
Best practice
Use "as has been explained" to smoothly transition between related points, ensuring clarity and coherence in your writing. This signals to your reader that you're building upon previously established information.
Common error
While "as has been explained" is grammatically sound, excessive use of passive constructions can make your writing sound verbose and less engaging. Balance its use with active voice to maintain a dynamic and clear tone.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as has been explained" functions as an adverbial phrase, modifying a clause by indicating that the information presented has been previously clarified. Ludwig provides several examples across different contexts showing its diverse applications.
Frequent in
Science
33.3%
News & Media
25%
Academia
16.7%
Less common in
Encyclopedias
8.3%
Formal & Business
8.3%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "as has been explained" is a grammatically correct and relatively common way to refer back to previously clarified information. It is often found in scientific and news contexts, indicating its utility in formal and informative writing. Ludwig AI validates its correctness and provides examples that demonstrate its diverse applications, while also suggesting alternative phrases for varied writing styles. When using this phrase, remember to maintain a balance with active voice to avoid passive voice overuse.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as discussed above
Specifically refers to a prior discussion within the current context, using "discussed" to indicate a conversational exchange.
as already clarified
Replaces "explained" with "clarified", focusing on the act of making something clear and understandable.
as mentioned before
Uses "mentioned" instead of "explained", suggesting a brief reference rather than an in-depth discussion.
it was previously explained
Shifts from an active to a passive voice, emphasizing the action of explaining rather than the speaker.
as noted earlier
Emphasizes the temporal aspect of the previous explanation, using "noted" to highlight its occurrence in the past.
as previously stated
Replaces "explained" with "stated", implying a formal declaration rather than a detailed explanation.
as shown before
Replaces "explained" with "shown", implying a visual or evidential presentation.
as detailed previously
Highlights the comprehensive nature of the earlier explanation, using "detailed" to emphasize its thoroughness.
as demonstrated earlier
Emphasizes the evidence or proof provided in the earlier explanation, using "demonstrated" to highlight its empirical support.
it's already been covered
Uses more informal language, implying a sense of completeness and familiarity with the topic.
FAQs
How can I use "as has been explained" in a sentence?
You can use "as has been explained" to refer back to information that you've already provided, for instance: "The procedure must be followed precisely, as has been explained earlier".
What are some alternatives to "as has been explained"?
You can use alternatives like "as previously stated", "as mentioned before", or "as noted earlier" depending on the context.
Is it better to use "as has been explained" or "as was explained"?
Both "as has been explained" and "as was explained" are grammatically correct, but "as has been explained" implies a more recent or ongoing relevance, whereas "as was explained" suggests something explained in the past, which may or may not still be relevant.
When is it appropriate to use "as has been explained" in formal writing?
It is appropriate to use "as has been explained" in formal writing when you need to refer back to a point that has already been thoroughly clarified. Avoid using it excessively to maintain conciseness and readability.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested