Beth
As a verb, if something concerns you, it worries you.
Climate change is an issue that concerns many people.
It concerns me that my grandad hasn’t returned my call.
Concern can be used in the same way but as a noun, to mean the feeling of worry. This often sounds more formal.
Concern for the missing woman is growing.
Traffic in the city is a concern for many residents.
Concern as a verb can also be used to mean that something is important or relevant to someone.
What we talked about doesn’t concern you. It was a private conversation.
Finally, we can use the verb concern when explaining what a book, film or TV programme is about. It’s quite formal when used this way.
The book concerns two lovers who live in different countries.
We hope the word concern is no longer concerning you!
Concern
Concern, as a verb, means to worry.
- The amount of junk food you eat concerns me.
Concern can be used as a noun in the same way, though it is quite formal.
- There is concern about the amount of sugar children consume.
As a verb, concern can mean not important or relevant to someone.
- This problem doesn’t concern you. Keep out of it please.
Concern is used formally to explain what films, TV series and books are about.
- The film concerns pirates looking for treasure.