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 ones used
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the ones used" is correct and usable in written English.
You can use this phrase when you wish to refer to something that has been mentioned or referred to previously. For example: "We don't need to buy any new tools—the ones used before should still work."
✓ Grammatically correct
News & Media
Science
Academia
Wiki
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
Previous experiments with nanotubes were commonly done on benchtops, not in enclosures like the ones used by Dr. Zettl's group.
News & Media
The badge design on the bootlid bears strong resemblance to the ones used by Cadillac.
Wiki
The ones used in this dish generally are.
News & Media
It's obvious that these are European plants, the ones used by Steiner in the 1920s.
News & Media
The horses' shoes were about 4 times as heavy as the ones used here.
News & Media
The only larger pianos, he said, are the ones used in concert halls.
News & Media
I learned that the best hooks for suspension are the ones used to catch salmon.
News & Media
Cluster munitions like the ones used by Israel's military are legal weapons under the Geneva Conventions.
News & Media
They'll get real numbers, the ones used for budgeting, in January.
News & Media
(1967), which relates to revision of the copyright laws, notes that these factors are the ones used by the courts.
Academia
Creo is a computer program that is similar to the ones used by Walt Disney Imagineering to design rides.
Academia
Expert writing Tips
Best practice
When using "the ones used", ensure the items or methods being referenced are clear from the preceding context to avoid ambiguity. This provides a smooth flow of information for the reader.
Common error
Avoid using "the ones used" without a clear antecedent. If the context doesn't immediately identify what "ones" refers to, rephrase to specify the items or methods directly.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the ones used" functions as a referential pronoun phrase. It points back to specific items, methods, or entities previously mentioned in the discourse, serving to avoid repetition and maintain coherence. As confirmed by Ludwig, it is appropriate for general usage.
Frequent in
News & Media
35%
Science
35%
Academia
15%
Less common in
Wiki
10%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "the ones used" is a versatile phrase that serves to refer back to previously mentioned items, methods, or entities. As Ludwig AI confirms, the phrase is grammatically correct and suitable for various writing contexts. It appears most frequently in News & Media and Scientific sources, suggesting a neutral register. To ensure clarity, make sure the reference is unambiguous. Alternatives like "those employed" or "the methods applied" may offer greater specificity in certain situations. When using this phrase, ensure clarity by making explicit what is being referenced in the first place. By following these tips, you'll be able to effectively incorporate "the ones used" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
those employed
Replaces "ones" with "those" and "used" with a more formal "employed", suggesting a specific application or function.
the methods applied
Focuses on the 'methods' aspect, substituting "ones used" with "methods applied" to emphasize a process.
the tools implemented
Highlights specific 'tools' and replaces "used" with "implemented", implying a deliberate and practical application.
the techniques adopted
Emphasizes 'techniques' and replaces "used" with "adopted", suggesting a conscious choice of methods.
the materials utilized
Draws attention to 'materials' and substitutes "used" with "utilized", indicating resourcefulness and efficiency.
the procedures followed
Highlights the aspect of 'procedures' and replaces "used" with "followed", emphasizing adherence to guidelines.
the approaches taken
Focuses on 'approaches' and replaces "used" with "taken", suggesting a particular strategy or perspective.
the systems operated
Emphasizes 'systems' and replaces "used" with "operated", indicating the practical functioning of a mechanism.
the devices activated
Highlights 'devices' and substitutes "used" with "activated", focusing on the process of initiating functionality.
the resources consumed
Draws attention to 'resources' and replaces "used" with "consumed", indicating the expenditure of materials or energy.
FAQs
How can I use "the ones used" in a sentence?
Use "the ones used" to refer back to items or methods that have already been mentioned. For example, "These new tools are better than "the ones used" last year".
What's a simple substitute for "the ones used"?
Depending on the context, you could use phrases like "those employed", "the methods applied", or "the tools implemented".
When is it inappropriate to use "the ones used"?
It's best to avoid "the ones used" if the reference is unclear or too distant in the text. If there is any ambiguity, specify exactly what you are referring to instead of relying on a pronoun.
How does "the ones used" compare to "the ones utilized"?
"The ones utilized" is a more formal alternative to ""the ones used"". While both refer back to previously mentioned items, "utilized" suggests a more deliberate or efficient usage.
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