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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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has demonstrated that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'has demonstrated that' is correct and can be used in written English.
You can use it to express that there is evidence that something is true, or that something has been proven. For example: "Recent research has demonstrated that climate change is having a significant impact on our planet."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

As recent history has demonstrated, that approach is short-sighted.

News & Media

Huffington Post

Nobody has demonstrated that kind of excitement with the JC Penney brand.

News & Media

Huffington Post

I think he has demonstrated that attitude to you.

Mr. McMaster has demonstrated that it can be done.

But the crisis has demonstrated that something is missing.

News & Media

The Guardian

"He certainly has demonstrated that he can, under most circumstances.

Mr. Bush has demonstrated that he takes the presidency seriously.

News & Media

The New York Times

Iran has demonstrated that it is a responsible nation.

It has demonstrated that it's a doable proposition.

News & Media

The New York Times

Obama has demonstrated that he has something there.

News & Media

The New York Times

He has demonstrated that talk of American decline is hooey.

News & Media

The New York Times
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Expert writing Tips

Best practice

Use "has demonstrated that" to introduce a statement supported by evidence or proof. It effectively signals that what follows is not just an opinion, but a fact supported by verifiable information.

Common error

Avoid using "has demonstrated that" when the evidence is weak or circumstantial. Reserve it for situations where the proof is solid and the demonstration is clear, ensuring you don't overstate the certainty of your claims.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has demonstrated that" functions as an evidential marker. It introduces a clause that presents information as factual based on prior evidence or proof. As Ludwig AI confirms, this phrase is correct and widely used to express certainty.

Expression frequency: Very common

Frequent in

News & Media

57%

Science

28%

Formal & Business

7%

Less common in

Academia

2%

Encyclopedias

1%

Wiki

5%

Ludwig's WRAP-UP

In summary, "has demonstrated that" is a grammatically sound and frequently used phrase for indicating that something has been proven or evidenced. As Ludwig AI states, it's a correct and effective way to convey that there's support for a statement. Predominantly found in news, scientific, and formal business contexts, this phrase asserts that there is concrete evidence backing the presented information. To maintain credibility, ensure its use aligns with strong evidence and avoid overstating claims. Alternative phrases such as "has proven that" or "has shown that" can offer variety while preserving the intent. Remember to adapt your choice based on the specific nuances you wish to convey.

FAQs

How to use "has demonstrated that" in a sentence?

Use "has demonstrated that" to introduce a fact or conclusion that is supported by evidence. For example, "Research "has demonstrated that" regular exercise improves mental health".

What can I say instead of "has demonstrated that"?

You can use alternatives like "has proven that", "has shown that", or "has established that" depending on the context.

Which is correct, "has demonstrated that" or "demonstrates that"?

"Has demonstrated that" indicates that something has already been proven or shown, whereas "demonstrates that" suggests an ongoing or current demonstration. The choice depends on whether you're referring to past evidence or a present action.

What's the difference between "has demonstrated that" and "suggests that"?

"Has demonstrated that" implies a higher degree of certainty based on solid evidence. "Suggests that" implies a possibility or indication, but without the same level of proof. Consider to rephrase with alternatives like "the evidence suggests that" if you want to lower the certainty of the phrase.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: