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
sources confirmed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'sources confirmed that' is a perfectly acceptable and usable phrase in written English.
It is used to introduce a statement that is backed up by other reliable sources. For example, "Sources confirmed that the company had seen a dramatic increase in profits in the last quarter."
✓ Grammatically correct
News & Media
Alternative expressions(20)
the word is that
it was revealed
it was advanced
it was hypothesized
it was put forward
the story leaked
reports indicated
it was remarked
it was seemed
according to sources
it was incorporated
authorities corroborated that
evidence suggests that
it is proposed
it has been ascertained that
it was updated
it was suggested
it was encouraged
it was contemplated
it was implied
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
60 human-written examples
Two sources confirmed that the account belonged to Mered.
News & Media
However, Downing Street sources confirmed that American officials had suggested Mr Portillo as a possible candidate.
News & Media
And he reported that his sources confirmed that Barghouti was right.
News & Media
Whitehall sources confirmed that the lord chancellor was acting out of consideration for his older colleagues.
News & Media
Irish police sources confirmed that he had been interviewed about his passport.
News & Media
Tory sources confirmed that the plans would go further than the aborted snooper's charter.
News & Media
However sources confirmed that the water pistol was replacing the gun.
News & Media
Sources confirmed that traces of polonium 210 had been found at the address.
News & Media
These sources confirmed that the committee was investigating C.I.A. covert operations in Greece.
News & Media
Conservative sources confirmed that that the Taplins emailed David Cameron after contacting the Fees Office.
News & Media
Labour Party sources confirmed that Miliband was going to Ibiza to "get away from it all".
News & Media
Expert writing Tips
Best practice
When using "sources confirmed that", ensure your sources are credible and reliable, as this phrase implies a level of verification and accuracy. Citing specific types of sources (e.g. "police sources" or "government officials") adds more credibility.
Common error
Avoid overusing "sources confirmed that" without providing any context or detail about who these sources are or why they are reliable. Oversaturation can make the information seem less credible.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sources confirmed that" functions as an introductory phrase to indicate that information has been verified by individuals or entities, whose identities are often kept confidential. This is supported by Ludwig which indicates a high confidence in the phrase's validity.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "sources confirmed that" is a highly prevalent phrase, particularly within news and media, used to introduce information that has been verified by unnamed but supposedly reliable sources. Ludwig confirms its grammatical correctness and wide usage. When writing, remember to ensure the underlying sources are credible, avoid overusing the phrase to maintain audience trust, and consider alternatives for different levels of formality or directness. The phrase serves primarily to lend authority to a statement, assuring readers that the information is based on more than speculation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it was confirmed by sources that
This alternative inverts the sentence structure slightly, placing "it was confirmed" at the beginning for emphasis.
insiders verified that
Replaces "sources" with "insiders", suggesting the confirmation comes from individuals within a particular group or organization.
authorities corroborated that
Uses "authorities" to specify that the confirmation originates from official or governmental bodies.
reports indicated that
Shifts the focus to "reports" as the source of confirmation, implying a written or documented verification.
it has been ascertained that
Employs more formal language, replacing "confirmed" with "ascertained" to indicate a formal determination.
evidence suggests that
Uses "evidence suggests" which shows a degree of certainty that is lower than actual confirmation.
according to sources
This alternative is less direct but still attributes the information to unnamed sources.
people familiar with the matter stated
Specifies the sources as "people familiar with the matter", implying insider knowledge.
the word is that
Uses an informal tone to indicate the information is circulating but not officially confirmed.
knowledgeable parties revealed
Uses "knowledgeable parties" to indicate that the confirmation comes from well informed sources.
FAQs
How can I make "sources confirmed that" sound more formal?
For a more formal tone, consider using phrases like "it has been ascertained that" or "authorities corroborated that", which convey a stronger sense of official verification.
What are some less direct alternatives to "sources confirmed that"?
If you want to be less direct, try phrases like "reports indicated that" or "evidence suggests that", which imply a degree of uncertainty or reliance on indirect information.
In what contexts is it best to use "sources confirmed that"?
This phrase is particularly useful in news reporting, investigative journalism, and academic writing when you need to convey that information has been verified by individuals with knowledge or authority, but their identities must remain protected.
Is "sources confirm that" grammatically correct?
While "sources confirm that" is grammatically correct, "sources confirmed that" is often preferred because it implies that the confirmation happened in the past and is now a settled fact. Using "confirm" suggests the confirmation is happening in the present, which may not always be the case.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested