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
CEO of Professional Science Editing for Scientists @ prosciediting.com
are already demonstrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are already demonstrated" is correct and usable in written English.
It can be used when referring to something that has been shown or proven to be true or effective in the past. Example: "The results of the experiment are already demonstrated in the previous studies, confirming our hypothesis."
✓ Grammatically correct
Science
News & Media
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
1 human-written examples
There can be no place for revealed doctrine to be expounded as true science unless certain truths are already demonstrated, in the logical order at least, by philosophical reason.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Cities are already demonstrating leadership.
News & Media
Some of the alumni are already demonstrating the risks of Farris's experiment.
News & Media
We have a clear strategy in place and are already demonstrating significant progress".
News & Media
It is not an either/or choice, as other world cities such as Washington DC are already demonstrating.
News & Media
Last year, then foreign minister Bob Carr announce the government would provide $3m over three years to fund existing projects "that are already demonstrating results in protecting the Sumatran rhino".
News & Media
Computers are already demonstrating they can augment — or even replace — human emotional intelligence.
News & Media
In reality, computers are already demonstrating they can augment — or even replace — human emotional intelligence (EQ).
News & Media
Where the founder(s) have built prototypes or are already demonstrating momentum in customer/consumer adoption 5.
News & Media
Companies like Lucid, which is hoping to bring a Tesla Model S competitor to market, are already demonstrating how VR can help cut down on pre-production expense.
News & Media
Platforms such as Twitter and Facebook are already demonstrating the potential to crowdsource public opinion and channel the collective voice of communities.
News & Media
Expert writing Tips
Best practice
When using "are already demonstrated", ensure that the context clearly indicates what has been demonstrated and where the evidence can be found. This adds credibility to your statement.
Common error
Avoid using "are already demonstrated" when an active voice would be more direct and clear. For example, instead of "The benefits are already demonstrated", consider "Studies have already demonstrated the benefits".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are already demonstrated" functions as a passive voice construction, indicating that a particular fact, concept, or result has been previously shown or proven. Ludwig examples show its usage in scientific, news, and business contexts. Ludwig AI confirms its correctness.
Frequent in
Science
28%
News & Media
22%
Formal & Business
18%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "are already demonstrated" is a grammatically sound passive construction used to indicate that something has been previously shown or proven. As Ludwig AI confirms, its usage spans across various contexts, including scientific, news, and formal business settings, though it leans toward neutral to formal registers. When using this phrase, it's crucial to clearly specify what has been demonstrated and ensure your context allows for passive voice. Alternatives like "have already been proven" or "have been established" can offer similar meanings, but consider the active voice where possible for directness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have been previously shown
Emphasizes the prior exhibition or proof of something, replacing "demonstrated" with "shown" and restructuring the sentence.
have already been proven
Replaces "demonstrated" with "proven" highlighting the aspect of something being verified as true.
have been established
Focuses on the establishment of a fact or principle, offering a slightly more formal tone.
have been validated
Highlights the validation aspect, suggesting that something has been confirmed or verified.
have been illustrated before
Replaces demonstrated, but it adds the temporal component of "before", not just the action of showing.
have been evidenced
Uses "evidenced" to emphasize that something has been supported by evidence.
have been confirmed
Indicates that something has been verified or confirmed, providing a sense of certainty.
have been substantiated
Highlights that something has been supported with evidence and proven to be true.
are already substantiated
Uses "substantiated" to mean that something has been supported with evidence. Keeps the passive voice structure.
are already validated
Replaces demonstrated with validated. Keeps the passive voice structure.
FAQs
How can I use "are already demonstrated" in a sentence?
You can use "are already demonstrated" to indicate that something has been previously shown or proven. For example, "The effectiveness of this method "are already demonstrated" in clinical trials".
What are some alternatives to "are already demonstrated"?
Alternatives include phrases like "have already been proven", "have been established", or "have been validated", depending on the nuance you want to convey.
Is it better to use active or passive voice with "demonstrate"?
While "are already demonstrated" (passive) is grammatically correct, using the active voice (e.g., "Researchers have already demonstrated") can often make your writing more direct and engaging.
What's the difference between "are already demonstrated" and "are already known"?
"Are already demonstrated" implies that something has been shown or proven through evidence, while "are already known" simply suggests that something is a recognized fact, whether or not it has been rigorously demonstrated. For instance, the risks "are already demonstrated", while some factors "are already known" but require deeper analysis.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested