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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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reason is that

Grammar usage guide and real-world examples

USAGE SUMMARY

"reason is that" is a correct and usable phrase in written English.
You can use this phrase to introduce a statement or explanation that follows. For example, "The reason is that I don't have the necessary qualifications for the job."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

One reason is that political risk abounds.

News & Media

The Economist

One reason is that cuts aggravate recession.

News & Media

The Economist

One reason is that sex is shocking.

News & Media

The Guardian

One reason is that Labour has changed tack.

News & Media

The Economist

The reason is that pockets of Spain are extremely competitive.

News & Media

The New York Times

One reason is that Cups take place rather irregularly.

The reason is that financial institution stocks are performing dismally.

News & Media

The New York Times

The second reason is that Mercosur is drifting.

News & Media

The Economist

One reason is that technology has made home-education easier.

News & Media

The Economist

Part of the reason is that bicycling is so ubiquitous.

News & Media

The New York Times

Another big reason is that Pinterest is visual.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "reason is that" to clearly introduce an explanation, ensuring the connection between the statement and its justification is evident.

Common error

Avoid using "reason is that" in very simple sentences where a direct "because" or "since" would be more concise and effective. For example, instead of "The reason is that I was tired", say "I was tired because..."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "reason is that" functions as a causal connector, explicitly linking a statement with its justification. This introductory phrase sets the stage for an explanation. Ludwig's examples show this phrase is consistently used to introduce explanations across varied contexts.

Expression frequency: Very common

Frequent in

News & Media

68%

Science

14%

Formal & Business

6%

Less common in

Wiki

3%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

In summary, the phrase "reason is that" serves as a common and grammatically sound method for introducing explanations. Ludwig AI confirms its correctness and provides numerous examples showcasing its use across various fields, particularly in news, science, and business. While versatile, it is best used to clearly and effectively connect a statement with its underlying cause or justification. Consider more concise options like "because" for simpler sentences to avoid unnecessary wordiness.

FAQs

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

Use "reason is that" to introduce an explanation or justification following a statement. For instance, "The project was delayed. The "reason is that" we encountered unexpected technical difficulties."

What are some alternatives to "reason is that"?

Alternatives include phrases like "the explanation is that", "the cause is that", or simply using "because". The best choice depends on the specific context and desired level of formality.

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

While grammatically correct, starting a sentence directly with "reason is that" can sometimes sound awkward. It's often better to introduce the topic or situation first, then follow with the "reason is that" clause.

What's the difference between "reason is that" and "because"?

"Because" is a more direct and concise way to express cause and effect. "Reason is that" is generally used to introduce a more detailed or formal explanation. Using "because" is often more suitable for simple sentences, while "reason is that" can provide clarity in complex situations.

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Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: