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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
they have mentioned
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of sentence "they have mentioned" is correct and can be used in written English.
You can use it when referring to something that someone has previously mentioned or discussed in a conversation or written document. For example, "They have mentioned that the deadline for the assignment is next Monday."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(17)
they have stated
they have indicated
they have noted
they suggested
they have communicated
they have inserted
they have noticed
they have questioned
they have recognised
they have disclosed
they have demonstrated
they have suggested
they have met
they have explained
they have envisioned
they have involved
they have implemented
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
14 human-written examples
When the media have not completely ignored Kucinich, they have mentioned his size.
News & Media
"They have mentioned the number, which was correct, but they have not provided the details of the specific tickets.
News & Media
"They have mentioned duress, and some people are saying they got caught up in the heat of the moment.
News & Media
He added that as he has visited with voters, they have mentioned concerns about taxes, but not terrorism.
News & Media
Certainly they have mentioned him so often on the campaign trail in recent weeks that he sometimes sounds like Mr. Bush's running mate.
News & Media
To get through this, I try to have several suggestions ready for them, usually foods they have mentioned wanting to eat or at least cuisines they have requested for takeout.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
They've mentioned it.
News & Media
They had mentioned before that she existed, but for the first time they told me more.
News & Media
The advisers also were asked if they had mentioned the problem to their clients.
News & Media
"Literally every TV game they've mentioned it, so it was nothing new.
News & Media
The report on Sunday evening was the first time they had mentioned the campaign against the Kokang.
News & Media
Expert writing Tips
Best practice
Use "they have mentioned" to refer back to previously stated information, creating coherence and building upon existing points in your writing.
Common error
Avoid using "they had mentioned" when the act of mentioning is still relevant or has ongoing implications; "they have mentioned" implies a more recent or continuous relevance.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they have mentioned" functions as a reporting clause, indicating that a group has previously made a statement or brought up a topic. As Ludwig AI confirms, this phrase is grammatically correct and suitable for use in written English.
Frequent in
News & Media
35%
Science
35%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "they have mentioned" is a versatile and grammatically sound phrase used to reference prior communication. As Ludwig AI clarifies, the phrase is acceptable for written English. It's commonly found in news, scientific articles, and general writing, signaling that a group has previously stated or brought up a specific point. Be mindful of tense consistency and ensure clarity regarding who "they" refers to. Consider alternatives such as "they have stated" or "they have indicated" based on the desired level of formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they have stated
Replaces "mentioned" with "stated", implying a more formal or explicit declaration.
they have indicated
Substitutes "mentioned" with "indicated", suggesting a less direct form of communication.
they have noted
Uses "noted" instead of "mentioned", often implying an observation or recording of information.
they have remarked
Replaces "mentioned" with "remarked", indicating a casual or brief comment.
they have pointed out
Emphasizes the act of drawing attention to a specific detail or fact.
they have brought up
Implies introducing a topic or subject into a conversation or discussion.
they have touched on
Suggests a brief or superficial discussion of a topic.
they have alluded to
Indicates an indirect reference or suggestion.
they have referred to
Uses "referred" instead of "mentioned", highlighting a direct connection to something else.
they have communicated
Replaces "mentioned" with a broader term, implying a transmission of information.
FAQs
How can I use "they have mentioned" in a sentence?
"They have mentioned" is used to refer to something that a group of people has previously brought up or stated. For example, "They have mentioned concerns about the new policy".
What are some alternatives to "they have mentioned"?
Alternatives include phrases like "they have stated", "they have indicated", or "they have noted", depending on the level of formality and directness you want to convey.
Is it correct to say "they had mentioned" instead of "they have mentioned"?
While "they had mentioned" is grammatically correct, it implies that the mentioning occurred in the more distant past and may no longer be relevant. "They have mentioned" suggests recentness or ongoing relevance.
What's the difference between "they have mentioned" and "they suggested"?
"They have mentioned" simply indicates that something was brought up, while "they suggested" implies a proposal or recommendation. The choice depends on whether you want to emphasize the act of mentioning or the content of what was said.
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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
4.1/5
Expert rating
Real-world application tested