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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has not proved
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not proved" is correct and usable in written English.
You can use it when indicating that something has not been demonstrated or established as true or valid. Example: "The theory has not proved to be effective in real-world applications."
✓ Grammatically correct
News & Media
Science
Academia
Encyclopedias
Alternative expressions(20)
has not demonstrated
has not shown
remains unproven
did not prove
has not confirmed
has not established
has not been verified
lacks evidence
did not validate
has not guaranteed
has not provided
has not discovered
has not represented
has not suggested
has not developed
has not perceived
has not moved
has not acknowledged
has not substantiated
has not reported
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
It has not proved easy.
News & Media
That has not proved easy.
News & Media
He has not proved that scientifically.
News & Media
Even that, however, has not proved perfect.
News & Media
"He has not proved himself.
News & Media
That has not proved the case.
News & Media
He has not proved anything yet.
News & Media
It has not proved that easy.
News & Media
The expense has not proved prohibitive.
News & Media
He certainly has not proved his case.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
However, the reality has not proven nearly so simple.
Expert writing Tips
Best practice
When using "has not proved", ensure that the context clearly indicates what has not been proven and why. Providing specific examples or reasons can strengthen your argument.
Common error
Avoid using "has not proved" when the intention is to express doubt or uncertainty rather than a lack of definitive evidence. Instead, consider using phrases like "is questionable" or "remains to be seen" to better convey the intended meaning.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not proved" functions as a negative assertion, indicating a lack of evidence or validation for a particular claim or idea. Ludwig provides numerous examples demonstrating its use in various contexts to express that something has not been successfully demonstrated or verified.
Frequent in
News & Media
64%
Science
19%
Academia
8%
Less common in
Encyclopedias
5%
Formal & Business
3%
Science
1%
Ludwig's WRAP-UP
In summary, the phrase "has not proved" is a grammatically sound and commonly used expression to indicate a lack of evidence or validation. Ludwig AI confirms its usability across various contexts, particularly in news, science, and academic writing. While alternatives like "has not demonstrated" or "remains unproven" exist, understanding the specific nuance you intend to convey is crucial for effective communication. When employing this phrase, ensure clarity regarding what "has not proved" and why, and be mindful of potential misunderstandings related to the scope of proof.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has not demonstrated
Replaces "proved" with "demonstrated", indicating a lack of evidence or proof.
has not shown
Substitutes "proved" with "shown", suggesting that something hasn't been made evident.
has not confirmed
Replaces "proved" with "confirmed", implying that something hasn't been officially verified.
has not established
Substitutes "proved" with "established", indicating that something hasn't been firmly set or proven.
has failed to prove
Changes the structure to emphasize the failure to provide evidence.
has not been verified
Uses the passive voice to highlight that something hasn't been checked for accuracy.
remains unproven
Expresses that something is still not proven, using a different grammatical structure.
lacks evidence
Focuses on the absence of supporting data or facts.
did not validate
Suggests the experiment didn't get the expected result.
could not be substantiated
Highlights the inability to back something up with evidence or facts.
FAQs
How can I use "has not proved" in a sentence?
Use "has not proved" to indicate that something has not been demonstrated or established as true or valid. For example: "The hypothesis "has not proved" to be accurate after further testing."
What can I say instead of "has not proved"?
You can use alternatives like "has not demonstrated", "has not shown", or "remains unproven depending on the context.
Is it correct to say "has not proven" instead of "has not proved"?
Both ""has not proved"" and "has not proven" are grammatically correct and acceptable. "Proved" is more common in British English, while "proven" is more common in American English, but both are widely understood.
What is the difference between "has not proved" and "did not prove"?
"Has not proved" implies a continuous state or a lack of consistent evidence over time, while "did not prove" refers to a specific instance where proof was not established. For instance, "The experiment "did not prove" the hypothesis" refers to a particular attempt, whereas "the experiment "has not proved" the hypothesis" suggests a general lack of supporting evidence across multiple attempts or studies.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested