Sign In Get Started
Prepositions after verbs

concentrate on, in, along, among or at?

The usual pattern is concentrate on + subject or task. Other prepositions may appear in separate phrases of place or situation, not as fixed combinations with concentrate.

Quick answer

Which preposition is used with concentrate?

Use concentrate on when you mean giving attention to a task, idea, or goal. Concentrate at is uncommon for this meaning. In, along, and among usually introduce place or context rather than the object of concentration.

She needs to concentrate on her exams.
We concentrated on improving customer service.
He found it hard to concentrate in a noisy room.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
concentrate on + task/topic

Giving full attention to something

Use on for the thing receiving attention or mental effort.

Try to concentrate on your breathing.
The team is concentrating on reducing costs.
2
concentrate in + place/field

Showing location or area

In usually refers to a place, environment, or field, not the object of attention.

It is difficult to concentrate in a crowded office.
Most research is concentrated in urban areas.
3
concentrate among + group

Describing distribution within a group

Among is used when something is gathered or found within a group. It is not the normal preposition for mental focus.

The wealth is concentrated among a small number of investors.
4
concentrate at + place

Referring to a location

At can indicate where someone concentrates, but not the object of concentration.

She could not concentrate at work today.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
concentrate on
Please concentrate on the instructions.
Standard pattern for focusing attention on something.
concentrate in
He cannot concentrate in noisy environments.
In introduces the environment where concentration happens.
concentrate along
Development is concentrated along the coast.
Along refers to physical distribution, not mental focus.
concentrate among
Political power is concentrated among senior officials.
Among refers to distribution within a group.
concentrate at
I study best when I concentrate at home.
At refers to location, not the object of attention.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using at for the focus of attention

Use on for the thing you are focusing on.

✕ She concentrated at her homework. ✓ She concentrated on her homework.

Using along for mental focus

Along usually describes physical direction or distribution.

✕ He concentrated along the project. ✓ He concentrated on the project.

Confusing place with object

In can describe the environment, but on introduces the focus.

✕ She concentrated in the report. ✓ She concentrated on the report.

Quick practice

Choose the expression that matches the intended meaning.

1. The students must concentrate ___ the final task.
2. I cannot concentrate ___ a room with loud music.
3. Economic activity is concentrated ___ major cities.

Check your sentence in context

Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

Free to try · No signup required

Frequently asked questions

Is concentrate on the most common pattern?

Yes. Concentrate on is the standard pattern for focusing attention on a subject, activity, or goal.

Can I say concentrate at something?

Not usually. Use concentrate on something. At normally refers to a location, as in concentrate at work.

What does concentrate among mean?

It usually describes something gathered within a group, not mental focus, for example wealth concentrated among a few people.

calculate, by, calculate, in, calculate, from "call for" or "call on"? "campaign for" or "campaign against"? cancel by, due, at, in or for? capitulate to, in, like, by or after? captivate by, for, with, from or in? "capture by" or "capture in"? "care about" or "care for"? carry with, by, in, to or into? carve into, out, in, on or with? cast in, into, for, by or on? "catch in", "catch by" or "catch on"?

Write with confidence in Linguix

Create a free account to check complete texts, apply suggestions, and save your documents.

Create a free account