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
are concern
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are concern" is not correct in English.
Did you mean "are concerned"? If this is the case, you can use it when expressing worry or interest about a particular issue or situation. Example: "We are concerned about the recent changes in policy and their impact on our community."
⚠ May contain grammatical issues
Science
News & Media
Wiki
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
9 human-written examples
There are concern about the decline in numbers of pupils taking physics, chemistry and biology after the age of 16, and the effects on university study and the shortage of skilled graduates.
News & Media
In this work, we are concern with Fick's diffusion technique because of its generality.
Subsequent entry of heavy metals in the living system can create a chain of physiological, biochemical and genetic changes that are concern from public health viewpoint.
Science
Over the last decade, there has been immense growth in literature that investors go beyond maximizing results and that they are concern with ethical dimensions of their investments.
Science
Privacy campaigners are concern such a move could allow personal data to be passed on to private companies, such as insurance companies.
News & Media
These are concern trolls.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
But others are concerned.
News & Media
Others are concerned too.
News & Media
But there are concerns.
News & Media
Investors are concerned".
News & Media
Green Tories are concerned.
News & Media
Expert writing Tips
Best practice
Always use the correct form of the verb "to be" with "concerned". The correct phrase is "are concerned" when referring to a plural subject or "is concerned" when referring to a singular subject.
Common error
Avoid using "are concern". This phrase is grammatically incorrect. Remember that concern, in this context, requires the past participle form "concerned" after the auxiliary verb "are".
Source & Trust
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are concern" is grammatically incorrect. The correct form is "are concerned", where "concerned" functions as a past participle adjective describing the state of being worried or interested. As Ludwig AI explains, the original phrase violates standard grammar rules.
Frequent in
News & Media
43%
Science
43%
Wiki
14%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "are concern" is a grammatically incorrect construction. The correct phrasing is "are concerned", which uses the past participle "concerned" with the auxiliary verb "are" to indicate a state of worry or interest. As Ludwig AI indicates, the original phrase violates standard grammar rules, so it's important to use the correct form in both written and spoken communication.
While examples of "are concern" can be found, they are infrequent and likely represent errors. Therefore, it's best to avoid this phrasing. Alternative phrases such as "express concern" or "have concerns" can also be used depending on the desired nuance. Using the right form will ensure clarity and credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are concerned
Corrects the grammatical error by using the past participle "concerned" with the auxiliary verb "are", indicating a state of worry or interest.
feel concern
Emphasizes the internal emotion or sentiment of worry or care.
express concern
Focuses on the action of voicing or showing worry, rather than the state of being concerned.
show concern
Highlights the outward display of worry or care through actions or words.
have concerns
Shifts to expressing multiple worries or issues of importance.
worry about
Replaces "concern" with the direct verb "worry", specifying a subject of worry.
are anxious about
Substitutes "concern" with "anxious", indicating a stronger feeling of unease or worry.
are troubled by
Replaces "concern" with "troubled", highlighting the feeling of being disturbed or bothered.
are apprehensive about
Uses "apprehensive" to convey a sense of unease or fear about a future event or situation.
are solicitous about
Indicates a caring and attentive concern for someone's well-being.
FAQs
What is the correct way to say "are concern"?
The grammatically correct way to express concern is to say "are concerned". The word "concern" needs to be in its past participle form when used with the auxiliary verb "are" to indicate a state of being worried or interested.
What does it mean to be "concerned"?
To be "are concerned" means to feel worried, troubled, or anxious about something. It can also mean to be interested in or to care about something or someone.
What are some alternative ways to express worry besides saying "are concerned"?
You can use alternatives like "are worried", "are anxious", or "have concerns" depending on the context.
How can I use the phrase "are concerned" in a sentence?
Here's an example: "We are concerned about the potential impact of the new policy on small businesses."
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
84%
Authority and reliability
1.8/5
Expert rating
Real-world application tested