had been concentrated

USAGE SUMMARY

The phrase "had been concentrated" is correct and usable in written English.
It can be used to describe a state or action that occurred in the past, indicating that something was focused or gathered in a specific way before another past event. Example: "The resources had been concentrated in the main office before the merger took place."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

44 human-written examples

After purified enzymes had been concentrated using ultrafiltration, homodimeric enzyme concentrations were determined by measuring the absorbance of flavin adenine dinucleotide (FAD) at 460 nm using an extinction coefficient of 11.3 mM–1 cm–1 and a stoichiometric ratio of 2 mol of FAD/mol of dimeric enzyme.

Biochemistry

In the past, economic power had been "concentrated in the hands of too few men".

The Guardian - Business

Previously its management's efforts had been concentrated mainly on paring costs and improving margins.

The Economist

She also said that federal enforcement had been concentrated at the border.

The New York Times

Until the last 20 years or so, damage had been concentrated in the metropolitan New York area.

Cornell University

Some 160 liters of material, the scientist said, had been concentrated into the liter held in the RMR-1029 flask.

The New York Times - Science

Human-verified similar examples from authoritative sources

Similar Expressions

16 human-written examples

When I met with Leonard, he had been concentrating on this sound.

The New Yorker

"The other was sort of a meek person who had been concentrating more on her family.

The New York Times

He also said that he had been concentrating more on his weight than on his skills.

The New York Times - Sports

I had been concentrating on getting up and over rocks, climbing upwards.

Huffington Post

"I had been concentrating my work on national and international issues.

Huffington Post

Expert writing Tips

Best practice

Use "had been concentrated" to clearly indicate that a process of focusing or gathering occurred before another event in the past. For example, "The effort had been concentrated on the initial phase before the budget cuts were announced."

Common error

Avoid using "had been concentrated" when a simpler past tense ("was concentrated") or present perfect tense ("has been concentrated") is more appropriate. "Was concentrated" works if describing a state in the past, while "has been concentrated" implies a state that continues to the present.

Linguistic Context

The phrase "had been concentrated" functions as a verb phrase in the past perfect passive voice. It describes an action that was completed before another point in the past. Ludwig AI confirms this with examples showcasing its use in describing historical processes and past states.

Expression frequency: Common

Frequent in

News & Media

34%

Science

33%

Academia

25%

Less common in

Encyclopedias

4%

Wiki

2%

Formal & Business

2%

Ludwig's WRAP-UP

The phrase "had been concentrated" serves as a verb phrase in the past perfect passive voice, indicating an action that concluded before another past event. Ludwig AI analysis reveals its common usage across diverse contexts, including news, science, and academia. Grammatically correct and versatile, its frequency emphasizes its importance in expressing past actions and states. By grasping its usage, writers can ensure accuracy and clarity in conveying past events and their relationships.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

had been focused

Emphasis is shifted to the act of focusing rather than gathering.

had been centralized

Implies a central point of accumulation or control.

had been clustered

Suggests a grouping together, often in close proximity.

had been gathered

Highlights the act of bringing things together.

had been localized

Indicates confinement to a specific area or region.

had been assembled

Suggests a more structured or organized collection.

had been consolidated

Implies strengthening by combining elements.

had been accumulated

Focuses on the gradual increase or buildup of something.

had been collected

Similar to gathered, but can imply a more formal or deliberate action.

had been deposited

Suggests placing or leaving something in a specific location.

FAQs

How to use "had been concentrated" in a sentence?

Use "had been concentrated" to describe a past action where something was focused or gathered in a specific way before another past event. For example, "The resources "had been concentrated" in the main office before the merger took place."

What can I say instead of "had been concentrated"?

You can use alternatives like "had been focused", "had been centralized", or "had been clustered" depending on the context.

Which is correct, "had been concentrated" or "was concentrated"?

"Had been concentrated" indicates an action completed before another point in the past, while "was concentrated" simply describes a state in the past. Choose based on the timeline you're conveying.

What's the difference between "had been concentrated" and "has been concentrated"?

"Had been concentrated" refers to a past action completed before another past event. "Has been concentrated" indicates an action that started in the past and continues to have relevance in the present.