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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
of which exist
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "of which exist" is not correct in English.
It seems to be a misconstruction; the correct form would typically be "of which exists" or "that exist" depending on the context. Example: "There are several species of which exist only in this region."
⚠ May contain grammatical issues
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(4)
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
Harvard Facebook members belong to more than ten thousand, many of which exist only online.
News & Media
There is strong evidence of this in the chains of Chinese supermarkets, the likes of which exist nowhere else in the country.
News & Media
It's like they're living in six dimensions, at least two of which exist solely for the benefit of the people standing around watching and listening to them.
News & Media
There is the Independent Women's Football League, and the Women's Football Alliance, and the unfortunate Lingerie Football League, all of which exist on various levels of semi-professionalism.
News & Media
Moreover, they seek this supply from up to five bio refineries, located across Australia and New Zealand, none of which exist currently.
News & Media
Target Field has a batting cage, a pitcher's mound and a sprint track near the dugout and has a weight room, none of which exist at the Metrodome.
News & Media
And from the beginning it has been Open Source software, many of which exist, like Backbone, as viable, standalone, shared software libraries.
News & Media
The plates are a kaleidoscopic, mismatched collection, and the restaurant's card advertises locations not only in New York and Paris but also in Mombasa and Hanoi -- none of which exist.
News & Media
This act is one of the new breed of acts, vast swathes of which exist only in the hypothetic, to be enacted by secondary legislation behind the scenes, with no or minimal parliamentary scrutiny.
News & Media
Traditionally, supplì were found in friggitoria – Roman frying shops, places of boiling oil and crisp batter – or with street vendors, neither of which exist in the same way any more.
News & Media
Instead, it covers a wide range of often unrelated conditions, all of which are also seen in people who are not mentally ill, and all of which exist on a continuum from the comparatively mild to the very severe.
News & Media
Expert writing Tips
Best practice
When using relative clauses to describe existence, consider simpler alternatives like "that exist" for improved clarity and grammatical correctness. While "of which exist" is common, it's often perceived as awkward.
Common error
Avoid using "of which exist" when "of which exists" is grammatically required with singular nouns. Always ensure the verb agrees with the noun it modifies.
Source & Trust
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of which exist" functions as a relative clause, modifying a noun or pronoun by specifying which items within a group are in existence. However, according to Ludwig AI, this phrasing can be considered grammatically incorrect.
Frequent in
News & Media
42%
Science
37%
Wiki
12%
Less common in
Encyclopedias
5%
Formal & Business
3%
Social Media
1%
Ludwig's WRAP-UP
The phrase "of which exist" is a relative clause construction used to specify existence within a group. Despite its frequent usage across various sources, including News & Media and Scientific publications, Ludwig AI indicates it as grammatically questionable and suggests using "that exist" as a more correct alternative. The phrase is most commonly found in News & Media contexts, serving to provide additional details. Writers should be cautious and consider more grammatically straightforward options for improved clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that exist
This is a more grammatically standard way to express the same concept, directly indicating existence.
which are in existence
This alternative emphasizes the state of existing, adding a layer of formality.
that are present
This phrase focuses on the presence of something within a given context.
that can be found
This highlights the possibility of discovering or locating something within a group.
which are available
This emphasizes the availability of something within a set.
that occur
This alternative focuses on the incidence or happening of something.
that subsist
This word choice focuses on the maintenance of something within a given context.
that survive
This suggests that something is persisting or remaining.
which are living
This alternative emphasizes that something is not only existing but is also alive.
which are real
This alternative emphasizes the actual existence rather than hypothetical or theoretical.
FAQs
How can I use "of which exist" in a sentence?
While "of which exist" is commonly found, it's often better to use alternatives such as "that exist" for better grammatical correctness and clarity. For example: "There are many problems, that exist, only in big cities."
What's a more grammatically sound alternative to "of which exist"?
Consider using "that exist", "which exist", or restructuring the sentence for better clarity. For example, instead of "several options, of which exist only a few", try "only a few options exist".
Is "of which exist" always incorrect?
Ludwig AI considers that the phrase "of which exist" is not correct in English. Even though it is commonly used, the better approach is to use 'that exist' or 'which exist' instead.
Which is more precise: "of which exist" or "that exist"?
While both can convey a similar meaning, "that exist" generally provides a more direct and grammatically straightforward way to express existence. So, the better approach is to use 'that exist' instead.
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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
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested