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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a key subject

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a key subject" is correct and usable in written English.
It can be used to refer to an important or central topic in a discussion, analysis, or study. Example: "In our research, we identified climate change as a key subject that requires immediate attention."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

33 human-written examples

This paper is a further study of "Unconventional Hydrocarbon Potential Analysis and Future Strategic Zone Selection in Global Main Areas"—a key subject under the National Oil and Gas program.

It gets them talking around a key subject and it's versatile, fun and cheap".

News & Media

The Guardian

Since such matters are a key subject of the poem, the provision of informative notes is essential.

News & Media

The New Yorker

Thus the evaluation of average aquifer recharge from precipitation, and its uncertainty, becomes a key subject in determining suitable countrywide water policies.

A major problem is the low number of girls at school who study physics, a key subject for careers in engineering and construction.

Down-hole operating condition diagnosis based on dynamometer card is a key subject for sucker rod pumping in oil extraction engineering.

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Human-verified similar examples from authoritative sources

Similar Expressions

27 human-written examples

(1) A few key subject areas and descriptive terms.

He went on to Bryanston school, Dorset, and Bristol University, where, although his key subject at A-level had been classics, he took a degree in philosophy and economics.

News & Media

The Guardian

If you leave a space after each key subject,you can write it out a few times and you will remember them.

GHSP intends to advance implementation science across a wide range of key subject areas with broad remediable impact on health.

Or another school can post apparently impressive outcomes but only because of unsustainable cramming in a few key subjects in the final year to the exclusion of everything else.

News & Media

The Guardian
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Expert writing Tips

Best practice

Use "a key subject" to introduce the most important area of focus. This helps set expectations and directs the reader's attention.

Common error

Avoid starting multiple sentences or paragraphs with "a key subject". Vary your language by using synonyms or rephrasing to maintain reader engagement.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a key subject" functions as a noun phrase, specifically identifying an important topic or area of focus. Ludwig's examples show its usage across diverse fields to highlight essential themes.

Expression frequency: Common

Frequent in

Science

40%

News & Media

37%

Formal & Business

13%

Less common in

Academia

4%

Wiki

4%

Encyclopedias

2%

Ludwig's WRAP-UP

The phrase "a key subject" is a common and grammatically correct way to refer to an important topic or area of focus. Ludwig examples demonstrate its frequent use across scientific, news, and business contexts. It serves to highlight the significance of a particular issue, directing attention to what is most crucial. While versatile, be mindful of overuse. Consider using alternatives like "an essential topic" or "a crucial matter" for variety. Ludwig AI confirms its acceptability and broad applicability.

FAQs

How can I use "a key subject" in a sentence?

Use "a key subject" to introduce a central topic or issue. For example, "Data privacy is "a key subject" in the current debate about technology."

What are some alternatives to "a key subject"?

You can use alternatives like "an essential topic", "a crucial matter", or "a primary focus" depending on the context.

Is it better to say "key subject" or "important subject"?

"Key subject" often implies a topic that is not only important but also fundamental or essential to a particular discussion or field. "Important subject" is a broader term. The best choice depends on the specific nuance you want to convey.

What makes a topic qualify as "a key subject"?

A topic qualifies as "a key subject" when it is central to understanding a larger issue, when it significantly influences outcomes, or when it is essential for making informed decisions. It's often a recurring theme that demands careful consideration.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: