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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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main subject

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "main subject" is correct and usable in written English.
You can use it when you want to refer to the topic or idea being discussed in a sentence, paragraph, or text. For example: "The main subject of this essay is the effect of climate change on sea levels."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We're its main subject.

Now its main subject is terrorist financing.

News & Media

The Economist

Weiss's main subject is remoteness.

Then he addressed his main subject.

News & Media

The New Yorker

Mr. Viola's main subject is life's biggest theme, life itself.

"The stories we tell is my main subject.

Miliband turns to the main subject of his speech, Europe.

News & Media

The Guardian

The main subject is expected to be, broadly, Hollywood.

News & Media

The New York Times

The fantastical show's main subject may be itself.

News & Media

The New York Times

Creative processes, though, are not the main subject here.

News & Media

The Guardian

But his main subject was their mutual future.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Use "main subject" to clearly identify the central topic of a discussion, analysis, or creative work, ensuring clarity and focus for your audience.

Common error

Avoid repeating "main subject" excessively within a short span. Vary your language by using synonyms like "principal topic", "central theme", or "primary focus" 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

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "main subject" functions primarily as a noun phrase, acting as the subject or object of a sentence. It identifies the central topic or theme under consideration, aligning with Ludwig's analysis of its grammatical correctness and widespread usage.

Expression frequency: Very common

Frequent in

News & Media

46%

Science

25%

Academia

12%

Less common in

Encyclopedias

3%

Wiki

3%

Formal & Business

1%

Ludwig's WRAP-UP

In summary, the phrase "main subject" is a grammatically sound and frequently used term that serves to identify the core topic under discussion. Ludwig AI affirms its correctness and wide applicability across diverse contexts, from academic research to news reporting. While "main subject" is suitable for various registers, it's wise to diversify your vocabulary by employing synonyms like "principal topic" or "central theme" to avoid redundancy. Employ "main subject" strategically to ensure clarity and focus in your writing while adhering to best practices.

FAQs

How can I effectively introduce the "main subject" in a paragraph?

Begin with a clear topic sentence that explicitly states the "main subject". Follow with supporting details and examples that elaborate on this central idea.

What are some synonyms for "main subject" that I can use to avoid repetition?

You can use phrases like "principal topic", "central theme", "primary focus", or "key issue" to refer to the central topic without repeating "main subject".

Is it appropriate to use "main subject" in formal writing?

Yes, "main subject" is suitable for formal writing. It's a clear and direct way to indicate the primary topic being addressed. However, consider context and audience when choosing the most appropriate term.

How does "main subject" differ from "secondary subject"?

"Main subject" refers to the primary focus or topic, while "secondary subject" refers to a related but less important topic. The "main subject" receives the most attention and development.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: