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
he concerns
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'he concerns' is not correct and not usable in written English.
Instead, you could use the phrase 'he is concerned' to indicate that someone is worried or preoccupied about something. For example, 'He is concerned about the impact of climate change on future generations.'.
⚠ May contain grammatical issues
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
Now he concerns himself with consolidating the UK's place in the global fashion market.
News & Media
He concerns himself with church conditions in a region, gathering and channeling all relevant information to and from the Holy See.
Encyclopedias
But before he concerns himself with the prospects and long shots there, he will reach out to a much larger long shot.
News & Media
Amoral and unyielding, he concerns himself with the affairs of gods and men only to the extent that they interrupt his playboy lifestyle.
News & Media
He concerns himself with politics in the Aristotelian sense: the study of how people best govern their societies and their souls.
News & Media
It is his antidote, you can't help feeling, to the elaborate intricacies with which he concerns himself in his day job.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
Is he concerned?
News & Media
Isn't he concerned about theft?
News & Media
What was he concerned about?
News & Media
Is he concerned in terrorism?
News & Media
Is he concerned about appearing Islamophobic?
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "he concerns". Instead, use grammatically correct alternatives like "he is concerned about", "he is responsible for", or "he deals with" depending on the intended meaning.
Common error
A common mistake is using "concerns" as a verb without the auxiliary verb "is" or another appropriate form. Always ensure the verb "concern" is conjugated correctly within the sentence structure. For example, instead of "He concerns himself with", it should be "He is concerned with" or "He concerns himself with".
Source & Trust
79%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he concerns" functions incorrectly as it lacks proper grammatical structure. Typically, "concern" requires an auxiliary verb (e.g., "is", "was") to function correctly. As Ludwig AI points out, the proper use of "concern" requires such supporting verbs to express worry or relation.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "he concerns" is grammatically incorrect and should be avoided in formal writing. According to Ludwig AI, the correct usage requires an auxiliary verb such as "is", transforming it into phrases like "he is concerned". Depending on the context, alternatives such as "he is responsible for" or "he deals with" may be more appropriate. Remember to always ensure correct verb conjugation to maintain grammatical accuracy and clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he is concerned about
This is the most direct and grammatically correct way to express worry or preoccupation.
he worries about
Focuses on the act of worrying, implying anxiety.
he is responsible for
Indicates a duty or obligation.
he deals with
Suggests involvement or management of a situation or task.
he takes care of
Implies providing attention or assistance.
he is in charge of
Highlights a position of authority or control.
he is involved in
Shows participation or engagement.
he occupies himself with
Highlights the manner of spending time.
he devotes himself to
Suggests dedication and commitment.
he pays attention to
Highlights the act of giving focus to something.
FAQs
What is the correct way to use the verb "concern" in a sentence?
The verb "concern" typically requires an auxiliary verb like "is", "was", or "has been" to form grammatically correct sentences. For example, "he is concerned", "he was concerned", or "he has concerns".
What can I say instead of "he concerns"?
You can use alternatives like "he is concerned about", "he worries about", or "he is responsible for" depending on the context.
Is "he concerns himself" grammatically correct?
While "he concerns himself" is grammatically valid, it sounds awkward and is not in common usage. The more natural phrasing would be something such as "he involves himself" or "he occupies himself" or, if expressing worry, "he is concerned about himself".
What's the difference between "he concerns" and "he is concerned"?
"He concerns" is grammatically incorrect. The correct form is "he is concerned", which means he is worried or interested in something.
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
79%
Authority and reliability
2.2/5
Expert rating
Real-world application tested