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
they affirmed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they affirmed that" is correct and usable in written English.
You can use it when you want to indicate that someone has confirmed or stated something as true or valid. Example: "After reviewing the evidence, they affirmed that the findings were accurate and reliable."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(19)
they asserted that
they confirmed that
they declared that
they stated that
they maintained that
they testified that
they acknowledged that
they recognised that
they emphasized that
they indicated that
they reiterated that
they illustrated that
they validated that
they informed that
they verified that
they demonstrated that
they complained that
they explained that
they guaranteed that
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
12 human-written examples
If they affirmed that he still believed climate change to be fake, they would expose him to even more criticism at home and abroad and complicate the lives of those advisers who accept the broad scientific consensus.
News & Media
"There was a meeting of rabbis in Migron the other day, and they affirmed that no prime minister has the right to hand over a piece of the land of Israel".
News & Media
They affirmed that, when using Facebook data, recommendation results are at least equally as accurate as results obtained from user ratings, but they did not address about educational recommendation.
Like Flying Lotus and the Brainfeeder crew, they affirmed that the best environment to create music is within a collective.
News & Media
They affirmed that the body does die, but sought consolation in a disembodied soul that somehow continues.
News & Media
Hearing those words was crushing; they affirmed that something I had worked so hard to reintegrate in my life was slipping through my fingers yet again.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
By saying, "Go green because you'll make more profit," they affirm that profit is the right motive.
News & Media
Yet they affirm that art appreciation can nonetheless show some of what is required in an adequate account of nature appreciation.
Science
"And that's why I think the Tea Party movement is no longer... going to be able to claim the mantle of the founding fathers unless they affirm that morality and religion are indispensible supports of political prosperity," he predicted.
News & Media
"The fact that there is now a statue of Denmark Vesey means they affirm that resistance.
News & Media
As oral historians listen to their narrators, they affirm that their stories matter.
Academia
Expert writing Tips
Best practice
In formal writing, "they affirmed that" can lend a sense of authority, particularly when referencing expert opinions or official statements. Use it to highlight credible confirmation.
Common error
Avoid using "they affirmed that" when the referent of "they" is unclear or ambiguous. Always ensure that the reader can easily identify who is doing the affirming to maintain clarity and credibility.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they affirmed that" functions as a reporting clause, introducing a statement that has been confirmed or declared by a group of people. This phrase typically connects to a subordinate clause that contains the specific information being affirmed. Ludwig shows this usage across diverse fields, from scientific studies to news reporting.
Frequent in
News & Media
41%
Science
39%
Academia
11%
Less common in
Wiki
6%
Encyclopedias
1%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "they affirmed that" serves to introduce a statement that has been declared or confirmed by a group. Grammatically sound and commonly used, Ludwig's analysis indicates that this phrase is most frequently encountered in news, scientific, and academic writing, and its primary function is to lend authority to a claim. Alternatives like "they confirmed that" or "they stated that" offer similar meanings with varying levels of emphasis. Remember to use "they affirmed that" when you want to express endorsement in a clear and credible way.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they asserted that
Replaces "affirmed" with "asserted", implying a strong declaration.
they confirmed that
Substitutes "affirmed" with "confirmed", suggesting verification of something already known.
they declared that
Uses "declared" instead of "affirmed", indicating a formal announcement.
they stated that
Replaces "affirmed" with the more neutral term "stated", implying a simple declaration.
they maintained that
Uses "maintained" instead of "affirmed", suggesting a continued assertion despite possible opposition.
they testified that
Replaces "affirmed" with "testified", implying a declaration under oath or in a formal setting.
they avowed that
Substitutes "affirmed" with "avowed", indicating a solemn or emphatic declaration.
they professed that
Uses "professed" instead of "affirmed", suggesting a public declaration of belief.
they acknowledged that
Replaces "affirmed" with "acknowledged", implying recognition of a fact or situation.
they conceded that
Substitutes "affirmed" with "conceded", suggesting an admission, often reluctant, that something is true.
FAQs
How can I use "they affirmed that" in a sentence?
Use "they affirmed that" to indicate that a group or entity has confirmed the truth or validity of a statement. For example, "The scientists "they affirmed that" the data supported their hypothesis."
What are some alternatives to "they affirmed that"?
You can use alternatives such as "they confirmed that", "they stated that", or "they declared that" depending on the level of formality and emphasis you want to convey.
Is it more appropriate to say "they affirmed that" or "they confirmed that"?
Both phrases are grammatically correct. "They confirmed that" implies verification of something already known, while "they affirmed that" suggests a stronger, more declarative statement. The best choice depends on the specific context.
What is the difference between "they affirmed that" and "they suggested that"?
"They affirmed that" indicates a confirmation or declaration, whereas "they suggested that" indicates a proposal or recommendation. Affirming is a stronger statement than suggesting.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested