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concerned with vs concerned by

Both phrases are correct, but are used in different contexts. 'Concerned with' is used to indicate the subject or topic that's causing worry or interest, while 'concerned by' is used to show the source of the worry or interest.

Explained by Miss E.
Editor at TextRanch

Last updated: August 11, 2024

concerned with

This phrase is correct and commonly used in English.

Use 'concerned with' to indicate the subject or topic that is causing worry or interest. It is often used to describe someone's feelings or focus on a particular matter.

Examples:

She is concerned with the environmental impact of the project.
The teacher is concerned with the students' progress.
The company is concerned with customer satisfaction.

Show examples from the web [+]

5 days ago ... Examples of concerned with in a Sentence. Recent Examples on the Web That Rings of Power actor opens up about the big finale reveal Bombadil ...
Major Federal legislation concerned with child protection, child welfare, and adoption. Washington, DC: U.S. Department of Health and Human Services, Children's ...
May 26, 2021 ... Chart shows those most concerned with climate change place high importance on protecting planet for future. On the question of the economic ...
Jul 12, 2020 ... It keeps failing to detect the internet speed. Here what happened to me and I am concerned with my exam tomorrow as I feel the same thing will ...
Apr 22, 2024 ... Deeply concerned with the skillset quality of recent graduates (across all tiers of colleges). After screening hundreds of profiles, ...

Alternatives:

interested in
focused on
worried about

concerned by

This phrase is correct and commonly used in English.

Use 'concerned by' to show the source of the worry or interest. It is often used to indicate what is causing the concern or anxiety.

Examples:

He was concerned by the lack of progress in the project.
The parents were concerned by their child's behavior.
She was concerned by the news of the accident.

Show examples from the web [+]

"concerned with" means "relating to", "involved with": This report is concerned with technical details. "concerned by" (or "concerned about") means "worried by", ...
Interested and involved: sent a memorandum to those concerned. 2. Anxious; troubled: the concerned parents of youthful offenders. American Heritage® ...
v. con·cerned, con·cern·ing, con·cerns. v.tr. 1. To have to do with or relate to: an article that concerns the plight of homeless people. 2. To be of interest or ...
3 days ago ... 'Extremely concerned' by escalating West Bank violence, UN rights chief urges restraint. The West Bank barrier, along with checkpoints, ...

Alternatives:

worried about
disturbed by
troubled by

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