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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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The reason is

Grammar usage guide and real-world examples

USAGE SUMMARY

'The reason is' is correct and can be used in written English.
It is typically used as a way to introduce the explanation behind one's opinion, thoughts, or actions. For example, "The reason I chose this paint color is because it matches the curtains in the room."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"The reason is legislation".

News & Media

The New York Times

The reason is youth.

News & Media

The New York Times

The reason is money.

The reason is people.

The reason is strategic.

The reason is simple.

News & Media

The New York Times

The reason is clear.

News & Media

The New Yorker

The reason is uncertain.

The reason is touchdowns.

News & Media

The New Yorker

The reason is twofold.

News & Media

The Economist

The reason is plain.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

When using "The reason is", follow it with a complete sentence that provides a full explanation rather than just a word or phrase.

Common error

Avoid using "The reason is" followed by a vague or incomplete explanation. Ensure the subsequent sentence provides sufficient detail to understand the reason fully.

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 "The reason is" serves as a causal connector, introducing an explanation or justification for a statement. As Ludwig AI identifies, it introduces the cause or explanation for something, aiming to provide clarity. Examples show its use in diverse contexts, from legal justifications to everyday explanations.

Expression frequency: Very common

Frequent in

News & Media

47%

Science

32%

Formal & Business

8%

Less common in

Encyclopedias

5%

Wiki

4%

Reference

4%

Ludwig's WRAP-UP

In summary, "The reason is" functions as a causal connector, clearly introducing an explanation or justification. As Ludwig AI confirms, it is grammatically correct and widely used. Its neutral register makes it appropriate for various contexts, particularly in news and media, as well as scientific writing. When using this phrase, ensure the explanation provided is complete and clear. Consider alternatives like "the cause is" or "the explanation is" to vary your writing style. The phrase appears frequently in authoritative sources, indicating its acceptance in formal and informal contexts alike.

FAQs

How can I use "The reason is" in a sentence?

"The reason is" introduces an explanation. For example, "The reason is because the event was cancelled." Alternatively, you can also write "The event was cancelled because..."

What are some alternatives to "The reason is"?

Alternatives include phrases like "the cause is", "the explanation is", or "this is because", depending on the context and desired level of formality.

Is it grammatically correct to start a sentence with "The reason is"?

Yes, starting a sentence with "The reason is" is grammatically correct. It's a common way to introduce an explanation or justification.

Can "The reason is" be used in formal writing?

Yes, "The reason is" can be used in formal writing, but consider alternatives like "the rationale is" or "the basis is" for a more sophisticated tone.

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: