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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
have demonstrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
"have demonstrated" is a perfectly correct and usable phrase in written English.
You can use this phrase when you want to talk about an action that has been clearly shown or evidenced through a process or event. For example, "The results of the experiment have demonstrated the efficacy of the new drug."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
60 human-written examples
Now you have demonstrated.
News & Media
They have demonstrated that desire.
News & Media
Many Poles and Swedes have demonstrated.
News & Media
Two scarring wars have demonstrated that.
News & Media
And we have demonstrated that fact.
News & Media
Studies have demonstrated exactly that.
Academia
We have demonstrated that:.
Science
"I think we have demonstrated it now.
News & Media
Campaigners have demonstrated on her behalf.
News & Media
They have demonstrated three ways of winning.
News & Media
Other researchers have demonstrated competing approaches.
News & Media
Expert writing Tips
Best practice
To enhance clarity, clearly state what "has been demonstrated". For example, instead of saying "They have demonstrated," specify "They "have demonstrated" a strong commitment to sustainability".
Common error
While grammatically correct, "have demonstrated" can sound overly formal in casual conversation or informal writing. Opt for simpler alternatives like "have shown" or "have proven" to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have demonstrated" functions as a present perfect verb phrase. It's used to indicate an action that started in the past and continues to have relevance in the present. Ludwig AI confirms the phrase's grammatical correctness.
Frequent in
News & Media
47%
Science
35%
Formal & Business
10%
Less common in
Academia
8%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "have demonstrated" is a grammatically sound phrase used to indicate something that has been clearly shown or proven. Ludwig AI confirms its correctness and widespread use. This phrase is particularly common in news, scientific, and formal business contexts, signaling a professional and neutral tone. While highly versatile, it's crucial to consider the level of formality when choosing alternatives for casual conversations. Top authoritative sources like The New York Times and The Guardian frequently employ this phrase, affirming its credibility and widespread acceptance. For optimal usage, ensure clarity by specifying what "has been demonstrated", preventing any ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have shown
Direct synonym, replacing "demonstrated" with a more common and slightly less formal verb.
have proven
Implies a higher degree of certainty than "demonstrated", suggesting conclusive evidence.
have established
Suggests a firm and lasting confirmation of something.
have confirmed
Indicates that something previously uncertain is now known to be true.
have indicated
Implies a less forceful showing, suggesting a trend or possibility rather than a certainty.
have revealed
Emphasizes the uncovering of something previously hidden or unknown.
have validated
Suggests that something has been checked and found to be accurate or justified.
have illustrated
Highlights the use of examples or evidence to clarify or support a point.
have evidenced
A more formal alternative, stressing the provision of proof.
have substantiated
Indicates that something has been supported with sufficient evidence to be considered valid.
FAQs
How can I use "have demonstrated" in a sentence?
Use "have demonstrated" to indicate that something has been clearly shown or proven through evidence. For example, "Studies "have demonstrated" the effectiveness of the new treatment".
What are some alternatives to "have demonstrated"?
Depending on the context, you can use phrases like "have shown", "have proven", or "have established" to convey a similar meaning.
Is "have demonstrated" too formal for everyday conversation?
While grammatically correct, "have demonstrated" can sound somewhat formal in casual settings. In such cases, consider using more relaxed alternatives like "have shown" or "have indicated".
What is the difference between "have demonstrated" and "have suggested"?
"Have demonstrated" implies a clear showing or proof, while "have suggested" indicates a less forceful indication or possibility. Use "have demonstrated" when evidence is strong, and "have suggested" when it is weaker.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested