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 concern
Grammar usage guide and real-world examplesUSAGE SUMMARY
'they concern' is correct and usable in written English.
You can use it when you want to indicate that something matters to someone or affects someone in some way. For example, "My parents disapprove of my choice of career path, so these decisions concern them greatly."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(7)
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
They concern, thank God, only material things.
News & Media
They concern the structural weaknesses that bedevil multilateral efforts.
News & Media
They concern the machinery used for co-operation among governments.
News & Media
"They concern the essence of the future accord.
News & Media
Whenever they concern migration numbers, as most do, participation rises.
News & Media
"I take these allegations very seriously," he said "They concern me very greatly.
News & Media
Some emotions are very specific, insofar as they concern a particular person, object, or situation.
Encyclopedias
Like all great fiction they concern life's fundamental generalities - hope, loyalty, duty, compromise and love.
News & Media
They concern a system called Gem Purchasing, a sophisticated version of the technology used by Leeds.
News & Media
"I continue to write songs, but they concern love, the human condition, nature.
News & Media
"I continue to write songs," he said, "but they concern love, the human condition, nature".
News & Media
Expert writing Tips
Best practice
When using "they concern", ensure the pronoun "they" clearly refers to a specific plural noun to avoid ambiguity. For example: "The new regulations concern employee safety."
Common error
Avoid overusing "they concern" when a more specific verb would provide greater clarity. Instead of "These changes concern the budget", consider "These changes affect the budget" or "These changes are related to the budget".
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they concern" functions as a verb phrase indicating relevance or impact. It expresses that a particular subject is connected to or has an effect on something else. As Ludwig AI confirms, it is correct and commonly used in English.
Frequent in
News & Media
48%
Science
40%
Encyclopedias
6%
Less common in
Formal & Business
4%
Reference
1%
Social Media
1%
Ludwig's WRAP-UP
In summary, "they concern" is a grammatically sound and frequently used phrase to denote relevance or impact. Ludwig AI confirms its correctness, and numerous examples show its prevalence across various domains, particularly in news, science, and encyclopedia contexts. When using "they concern", ensure the pronoun has a clear antecedent and consider whether a more specific verb could enhance clarity. Alternatives such as "they relate to" or "they pertain to" may be suitable depending on the intended nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they relate to
This alternative suggests a direct connection or relevance between the subject and the object.
they pertain to
This phrase indicates a specific relevance or connection to a particular subject or matter.
they involve
This suggests that the subject encompasses or includes the object as a component.
they affect
This indicates that the subject has an influence or impact on the object.
they are about
This is a more general way of indicating the topic or subject matter.
they deal with
This implies addressing or handling specific issues or topics.
they regard
This suggests considering or having a specific opinion or feeling about the object.
they allude to
This implies an indirect reference or suggestion about the object.
they touch on
This suggests briefly mentioning or addressing a topic.
they are relevant to
This alternative highlights the pertinence or applicability of the subject to the object.
FAQs
How can I use "they concern" in a sentence?
Use "they concern" to indicate that something is relevant to or affects a group of people or things. For example, "The new safety protocols concern all employees".
What can I say instead of "they concern"?
You can use alternatives such as "they relate to", "they pertain to", or "they involve" depending on the context.
Is it correct to say "it concerns" instead of "they concern"?
Yes, but "it concerns" is used when referring to a singular subject, while "they concern" is used for plural subjects. For example, "The report concerns the budget", versus "The reports concern the budgets".
What's the difference between "they concern" and "they are concerned about"?
"They concern" means something affects or relates to a group, whereas "they are concerned about" means a group is worried or anxious about something. For example, "The new policies concern employee benefits" versus "Employees are concerned about the new policies".
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested