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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
an example of which are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an example of which are" is not correct in standard written English.
It should be "an example of which is" when referring to a singular noun. Example: "There are several fruits in the basket, an example of which is the apple."
⚠ May contain grammatical issues
Science
Encyclopedias
News & Media
Alternative expressions(19)
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
3 human-written examples
The node profiles are used to detect anomalies in behavior, an example of which are PUE attacks.
Real connections (an example of which are causal connections) are inductively established correlations by virtue of which one observable item may indicate another.
Science
The therapeutic properties of medicinal plants are generally attributed to plant secondary metabolites, an example of which are sesquiterpene lactones (SL), which are present almost exclusively in plant species belonging to the family Asteraceae[ 5, 6].
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
We begin with the numbers, an example of which is shown below: A hypothetical snippet.
News & Media
A considerable wealth of bronze and gold is present, an example of which is the great Clare gold hoard.
Encyclopedias
"Crucify" is not a serviceable synonym for "make an example of," which is what Armendariz, who subsequently apologized and resigned, apparently meant by it.
News & Media
Elsewhere the piece speculates that humans and Neanderthals share a common ancestor (an example of which was possibly found in Europe) from roughly 400,000 years ago.
News & Media
Case in point is the seamless Speedo swimsuit worn by the United States Olympic swimmers, an example of which is in the show.
News & Media
Overseas, the Lighthouse collaborates with global partners and operates its own programs, an example of which is one that establishes centers to train professionals in regions without vision rehabilitation resources.
News & Media
In his attempts to lampoon his predecessors, Lucian describes a flight to the moon, interplanetary warfare, and alien life forms, an example of which being a crossbreed of women and grape vines who intoxicate and thus ensnare their victims.
Encyclopedias
Some museums are served by independent conservation laboratories, an example of which is the Canadian Conservation Institute, in Ottawa, which uses a fleet of mobile laboratories to attend to museum collections in many parts of the country.
Encyclopedias
Expert writing Tips
Best practice
Always ensure subject-verb agreement. When providing an example, use "an example of which is" if the subject is singular.
Common error
Avoid using "an example of which are" when referring to a single example. The correct form is "an example of which is."
Source & Trust
85%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an example of which are" attempts to function as a relative clause introducing an example. However, Ludwig AI indicates that it is grammatically incorrect due to subject-verb disagreement. The correct form would be "an example of which is."
Frequent in
Science
33%
Encyclopedias
33%
News & Media
33%
Less common in
Wiki
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "an example of which are" is grammatically incorrect and should be avoided in formal writing. Ludwig AI confirms this, suggesting that "an example of which is" should be used instead when referring to a singular noun. While the phrase attempts to provide illustrative examples, its incorrect grammar undermines its effectiveness. Consider using alternatives such as "for example" or "such as" to maintain clarity and grammatical accuracy. Despite its appearance in various sources, including science and news outlets, it's best to adhere to correct subject-verb agreement for improved writing quality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for example
This is a more direct and common way to introduce an example.
such as
This alternative is simpler and widely accepted for listing examples.
like
This is a less formal way of giving an example.
one example is
This explicitly states that an example will follow.
an instance of which is
This is a more formal version but maintains grammatical correctness.
a case in point is
Highlights a specific instance that supports a broader claim.
to illustrate
Introduces an example that clarifies a point.
as an illustration
Functions similarly to "to illustrate" but adds a slightly more formal tone.
consider
Invites the audience to think about a specific example.
take for instance
Introduces an example in a slightly more conversational manner.
FAQs
How to correct "an example of which are" in a sentence?
The correct form is "an example of which is" when referring to a singular noun. Alternatively, use "examples of which are" for plural nouns.
What can I say instead of "an example of which are"?
You can use alternatives like "such as", "for example", or "one example is" depending on the context.
Which is correct, "an example of which is" or "an example of which are"?
"An example of which is" is correct for singular examples. "An example of which are" is grammatically incorrect; use "examples of which are" instead for plural examples.
What's the difference between "an example of which is" and "examples of which are"?
"An example of which is" refers to a single instance, while "examples of which are" refers to multiple instances. Choose the phrase that matches the number of examples you're providing.
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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
85%
Authority and reliability
2.2/5
Expert rating
Real-world application tested