Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

has not demonstrated

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "has not demonstrated" is correct and usable in written English.
It can be used when indicating that someone or something has failed to show or prove a particular quality, ability, or result. Example: "The candidate has not demonstrated the necessary skills for the position during the interview process."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Dayne, so far, has not demonstrated that kind of desire.

"Trump has not demonstrated that temperament or strength of character.

News & Media

The Guardian

Hamed has not demonstrated much maturity in the ring.

The Brooklyn arena has not demonstrated its full earnings potential.

News & Media

The New York Times

Mr Bush has not demonstrated the same urgency.

News & Media

The Guardian

And Avastin has not demonstrated any of that".

But so far it has not demonstrated the tight military or political coordination of NATO.

News & Media

The New York Times

Two years later, the channel has not demonstrated sufficient strength to change those critics' opinions.

News & Media

The New York Times

"Without her, the movement has not demonstrated the ability to take on a strategic struggle".

News & Media

The New York Times

The investigation has not demonstrated exactly when or where the donor tissues were infected, he said.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

I explained in some detail why I believe that Professor John McGinnischolarshipholarship Whelan draws upon--has not demonstrated that it does.

News & Media

Huffington Post

Expert writing Tips

Best practice

When using "has not demonstrated", ensure that the subject has had the opportunity or expectation to show the quality, skill, or result in question. For example, 'The new employee has not demonstrated an ability to meet deadlines despite repeated warnings.'

Common error

Avoid using "has not demonstrated" in unnecessarily passive constructions. Instead of saying 'It has not been demonstrated by the research team that…', opt for a more direct statement like 'The research team has not demonstrated that…'

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has not demonstrated" functions as a verb phrase indicating a lack of proof or evidence for a claim, ability, or characteristic. Ludwig examples show its use across various subjects, reinforcing this lack of demonstration.

Expression frequency: Very common

Frequent in

News & Media

54%

Science

30%

Formal & Business

10%

Less common in

Academia

3%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

In summary, the phrase "has not demonstrated" is a versatile and grammatically correct verb phrase used to indicate a lack of proof or visible evidence. As Ludwig AI confirms, its usage is widespread across diverse contexts, including news, science, and formal business settings. While alternatives like "has not shown" or "has not proven" exist, "has not demonstrated" maintains a neutral tone suitable for various registers. When employing this phrase, ensure that the subject has had a reasonable opportunity to display the quality in question and avoid overly passive constructions for clarity.

FAQs

What does "has not demonstrated" mean?

The phrase "has not demonstrated" means that someone or something has failed to show, prove, or provide evidence of a particular quality, ability, or result. It indicates a lack of visible or tangible proof.

What can I say instead of "has not demonstrated"?

You can use alternatives like "has not shown", "has not proven", or "has failed to demonstrate", depending on the context.

How to use "has not demonstrated" in a sentence?

You can use "has not demonstrated" in a sentence to express a lack of proof or evidence. For example, 'The company has not demonstrated any improvements in customer service' or 'The study has not demonstrated a clear link between diet and disease'.

Which is correct, "has not demonstrated" or "did not demonstrate"?

Both "has not demonstrated" and "did not demonstrate" are correct, but they have slightly different meanings. "Has not demonstrated" implies a continuing lack of evidence up to the present, while "did not demonstrate" refers to a specific instance in the past.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: