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
the existing classes
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the existing classes" is correct and usable in written English.
You can use it when referring to classes that are currently in place or available, often in an educational or organizational context. Example: "The existing classes in the curriculum need to be updated to reflect the latest industry standards."
✓ Grammatically correct
Science
News & Media
Wiki
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
12 human-written examples
The results of these trials, announced at the conference, suggest the drug works—at least in patients who otherwise face death because their infections have become resistant to the existing classes of drug.
News & Media
Only one substantive change was required to the existing classes in order to extend the system.
Science
This relative lack of understanding hampers the development and tuning of new streaming policies, and could limit the entire research community to the existing classes of policies.
It is shown that these new resilient SAO functions properly include all the existing classes of resilient SAO functions as a subclass.
Science
We show how classifying a new decision problem into one of the existing classes provides assistance in designing the DSS for the new problem.
Science
The trains will have a maximum speed of and a faster acceleration than the existing classes.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
David Colquhoun, research professor of pharmacology, University College London The existing class divide between who gets to higher education and who doesn't will get wider.
News & Media
The parallels are many: explicit criticism of the monarchy as a pillar of the existing class system; the toughest hard rock as the most effective method of making your point; lyrics that are a blast of eloquent rage from the standpoint of an outsider – in each case a young man of Irish extraction.
News & Media
Higher education has been made more accessible, but in a way that doesn't fundamentally disturb the existing class order – the twisted logic is that postgraduate degrees have to be regulated, otherwise too many people will have them and they will become devalued.
News & Media
Except for voting rights, the Class C shares will have the same rights as the existing Class A and Class B shares.
News & Media
The authors of article [8] generalized the existing class of immediately-decodable network coding schemes to take into account the deadline constraints.
Expert writing Tips
Best practice
When discussing revisions or supplements to existing systems or structures, use "the existing classes" to clearly indicate the already-present categories before introducing modifications or additions.
Common error
Avoid using "the existing classes" when the context already implies that you're referring to current or present categories. Redundancy can clutter your writing; ensure the adjective 'existing' adds value by specifying a contrast with new or proposed classes.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the existing classes" functions as a noun phrase, where "existing" acts as an adjective modifying the noun "classes". As supported by Ludwig, this phrase is used to specify categories that are currently in place or in use.
Frequent in
Science
44%
News & Media
34%
Wiki
10%
Less common in
Formal & Business
8%
Encyclopedias
2%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "the existing classes" is a grammatically sound and frequently employed noun phrase used to refer to categories that are currently in place. Ludwig confirms its correctness and versatility across various contexts. It's commonly found in science, news, and wiki sources, making it suitable for both formal and informal communication. When writing, ensure that 'existing' adds value by contrasting with new or proposed classes to avoid redundancy. Alternatives like "the current classes" or "the available classes" can be used depending on the specific context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the current classes
Replaces 'existing' with 'current', focusing on the present state.
the established classes
Substitutes 'existing' with 'established', emphasizing the already founded nature.
the present classes
Uses 'present' instead of 'existing', highlighting the classes that are now available.
the available classes
Focuses on the classes that can be accessed or utilized.
the prevailing classes
Replaces 'existing' with 'prevailing', stressing the classes that are widespread or dominant.
the instituted classes
Emphasizes the formal establishment of the classes.
the recognized classes
Highlights classes that are acknowledged or officially accepted.
the traditional classes
Refers to classes that have been in place for a long time.
the conventional classes
Implies classes that follow established norms or practices.
the standard classes
Indicates classes that are considered typical or representative.
FAQs
How can I use "the existing classes" in a sentence?
Use "the existing classes" to refer to categories that are currently in place or available. For example: "The new curriculum will build upon "the existing classes", adding more advanced topics."
What are some alternatives to "the existing classes"?
Depending on the context, you can use phrases like "the current classes", "the established classes", or "the available classes" as alternatives.
When is it appropriate to use "the existing classes" rather than "the current classes"?
"The existing classes" is best used when contrasting with potential new classes or modifications to the current system. "The current classes" simply refers to what is in place now without necessarily implying a comparison.
Is it grammatically correct to say "the existing classes"?
Yes, it is grammatically correct. The phrase follows standard English grammar rules and is widely used in various contexts.
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested