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 for source
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as for source" is not correct in standard written English.
It seems to be an incomplete expression and lacks clarity without additional context. Example: "As for source, we need to verify the information before proceeding."
⚠ May contain grammatical issues
News & Media
Science
Academia
Alternative expressions(2)
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
3 human-written examples
Besides, Foster is an admirable reader of the poems, and his Life - especially this second volume - will now be one of the authoritative contexts for interpretation as well as for source study.
News & Media
With this number of analytes, the information would be useful for both regulatory actions as well as for source identification using multivariate analysis or other "fingerprinting" methods.
Similar correspondence between shower water and postshower blood CHBr2Cl and CHCl3 concentrations were observed across the five study sites, as well as for source water and postbathing THM concentrations reported for our study and by Backer et al. (2000).
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
As for sources, he says: "You get a little here and a little there.
News & Media
As for "sources" insisting there is some kind of rift with the club's majority owner, Rawlins was dismissive.
News & Media
As for sources of popular support, the conservative political movement is stronger than before among the nation's farmers and in the small towns.
Encyclopedias
As for sourcing, you may choose to work with a set of potters whose design sensitivity fits your taste.
News & Media
"Our core proposition was solid and now it has grown, so that consumers are using us in ways we never dreamed out such as for sourcing personal funds, medicinal treatments, you name it," she adds.
News & Media
He was then able to turn to them as needed for source material in his teaching and writing.
Academia
As for illegal source cases, the IRS has only conducted 32 seizures since the new policy was implemented.
News & Media
As for the sources of their trust, online sources are in clear disadvantage with regard to traditional ones.
News & Media
Expert writing Tips
Best practice
When discussing origins or bases, prefer clearer and more direct phrases like "regarding the source" or "concerning the source" over "as for source" to avoid ambiguity.
Common error
Avoid using "as for source" in formal writing. It often sounds incomplete and less professional than alternatives like "with respect to the source" or "in relation to the source".
Source & Trust
86%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as for source" functions as a prepositional phrase introducing a topic or aspect related to the origin of something. However, according to Ludwig, its use is often considered grammatically questionable without additional context.
Frequent in
News & Media
33%
Science
33%
Academia
33%
Less common in
Encyclopedias
0%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, while the phrase "as for source" appears in various contexts, including news, science, and academia, Ludwig AI considers it grammatically questionable and suggests that it's not a standard expression in written English. With a low frequency and potential for ambiguity, it's advisable to use clearer alternatives such as "regarding the source", "concerning the source", or "with respect to the source", particularly in formal writing. While authoritative sources like The Guardian and Environmental Health Perspectives use the phrase, its infrequent and potentially unclear usage makes careful consideration essential. Employing these alternatives can enhance clarity and professionalism in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
regarding the source
Focuses directly on the source as the topic of concern.
concerning the source
Similar to 'regarding', but can imply a deeper level of inquiry.
with respect to the source
More formal and emphasizes a specific viewpoint or aspect of the source.
in relation to the source
Highlights the connection or relationship the source has with something else.
in terms of the source
Focuses on specific characteristics or qualities of the source.
when it comes to the source
More conversational, introducing the source as the subject of discussion.
considering the source
Emphasizes evaluating or taking the source into account.
about the source
A simple, direct way to refer to the topic of the source.
on the subject of the source
More formal, indicating a specific topic under consideration.
from the perspective of the source
Emphasizes the viewpoint or bias of the source.
FAQs
What are some alternatives to "as for source"?
You can use phrases like "regarding the source", "concerning the source", or "with respect to the source" depending on the specific context.
Is "as for source" grammatically correct?
While sometimes encountered, "as for source" is generally considered grammatically questionable in formal English. It often requires additional context to be clear.
How can I use "regarding the source" in a sentence?
You can use "regarding the source" to introduce information about the origin of something, such as "Regarding the source of the data, it's important to note its limitations."
What's the difference between "as for source" and "regarding the source"?
"As for source" is less direct and can sound incomplete, while "regarding the source" is a clearer and more formal way to introduce a discussion about the origin or basis of something.
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
86%
Authority and reliability
2.8/5
Expert rating
Real-world application tested