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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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plays a key role

Grammar usage guide and real-world examples

USAGE SUMMARY

"plays a key role" is correct and usable in written English.
You can use it to refer to something that is crucial or essential to a particular process, goal, or task. For example: "The human resources team plays a key role in resolving employee disputes."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"Everybody plays a key role.

The refrigerator plays a key role.

News & Media

The New York Times

It plays a key role in causing the disease.

In some work, sound plays a key role.

Queensland plays a key role in every federal election.

News & Media

The Guardian

Energy plays a key role in chemical processes.

In all this, credit plays a key role.

News & Media

The Economist

Canada plays a key role for Salesforce in its business.

News & Media

TechCrunch

Usually time delay plays a key role in many systems.

Reservoir fluid composition plays a key role in properties' calculations.

Convexity plays a key role in optimization theory.

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Expert writing Tips

Best practice

When using "plays a key role", ensure that the context clearly identifies what is being influenced or affected. Providing specific details strengthens the statement's impact.

Common error

Avoid using "plays a key role" when the element's contribution is minor or secondary. Overusing the phrase dilutes its impact and can make your writing sound hyperbolic.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "plays a key role" functions as a predicate in a sentence, emphasizing the significance or importance of a subject. It indicates that the subject has a crucial influence or effect on a particular process, outcome, or situation. According to Ludwig AI, the expression is valid.

Expression frequency: Very common

Frequent in

Science

49%

News & Media

36%

Encyclopedias

2%

Less common in

Formal & Business

1%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "plays a key role" is a common and grammatically correct way to emphasize the importance of something. Ludwig AI confirms its validity. It's widely used in various contexts, especially in scientific and news-related content, to highlight essential elements. While versatile, it's important to use it judiciously to avoid diluting its impact. Synonyms like "is "instrumental"" or "is "crucial in"" can add nuance depending on the context. Using this phrase effectively enhances clarity and strengthens the emphasis on the subject's significance.

FAQs

How can I use "plays a key role" in a sentence?

Use "plays a key role" to emphasize the importance of something in achieving a specific outcome. For example, "Teamwork "plays a key role" in project success."

What's a more formal way to say "plays a key role"?

In formal writing, you can use alternatives like "is "instrumental"", "is "essential for"", or "is "critical to"" to convey a similar meaning with a more sophisticated tone.

What are some synonyms for "plays a key role"?

Synonyms include "is a "major factor"", "is "vital for"", and "is "fundamental to"". The best choice depends on the specific nuance you want to convey.

Is it okay to use "plays a key role" in academic writing?

Yes, "plays a key role" is appropriate for academic writing. It's a clear and concise way to highlight the importance of a particular element or factor. Be sure to provide evidence to support your claim.

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Source & Trust

83%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: