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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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main reason

Grammar usage guide and real-world examples

USAGE SUMMARY

"main reason" is correct and usable in written English.
You can use it when you want to emphasize an important idea or point that explains a situation or an action. For example, "The main reason I decided to go to the store was because I needed more ingredients for dinner."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The main reason?

News & Media

The New York Times

"That's the main reason.

The main reason is space.

News & Media

The Economist

The main reason was clear.

The main reason is cost.

News & Media

The Economist

The main reason is Russia.

News & Media

The New York Times

The main reason is bureaucracy.

News & Media

The Economist

One main reason is uncertainty.

News & Media

The New York Times

Demography is the main reason.

News & Media

The Economist

But the main reason is politics.

News & Media

The New York Times

Not the main reason the Dutch lost.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Use "main reason" to introduce the most important factor in a complex situation, helping your audience focus on what matters most.

Common error

Avoid using "main reason" repeatedly within a short passage. Vary your language by using synonyms like "primary cause", "key factor", or "principal reason" to maintain reader engagement and avoid redundancy.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "main reason" functions as a noun phrase identifying the primary cause or justification for a particular situation or event. As confirmed by Ludwig AI, it is considered grammatically correct and widely used in the English language.

Expression frequency: Very common

Frequent in

News & Media

79%

Academia

13%

Formal & Business

4%

Less common in

Science

2%

Wiki

1%

Reference

1%

Ludwig's WRAP-UP

The phrase "main reason" is a common and grammatically sound way to express the primary cause or justification for something. Ludwig AI confirms its acceptability and widespread use. Analysis of the examples shows that it's most frequently used in news and media, followed by academic writing. When using "main reason", ensure that it directly relates to the situation you are describing and consider using synonyms to avoid redundancy. Remember that while similar, "main reason" carries a stronger emphasis than simply stating "a reason".

FAQs

How can I use "main reason" in a sentence?

You can use "main reason" to highlight the primary cause or justification for something. For example: "The "main reason" for the delay was the unexpected weather conditions".

What are some alternatives to "main reason"?

Alternatives include "primary cause", "key factor", or "principal factor". The best choice depends on the specific context.

Is it redundant to say "the main reason is because"?

While common, "the main reason is because" can be considered slightly redundant. It's often more concise and grammatically sound to say "the "main reason" is" or "the reason is because".

What is the difference between "main reason" and "a reason"?

"Main reason" indicates the most important or primary cause, while "a reason" simply suggests one of potentially many causes. "The "main reason"" implies greater significance than just "a reason".

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: