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
a certain requested
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a certain requested" is not correct in standard written English.
It seems to be an incomplete or awkward construction and lacks clarity. An example could be: "I have a certain requested item that needs to be processed."
⚠ May contain grammatical issues
Science
News & Media
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
1 human-written examples
For a certain requested content, the higher the density vehicles is, the more potential providers nearby there are.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
If it didn't understand a certain request, it raised its arms in an apparent plea for forgiveness or tilted its head to express confusion.
News & Media
He was nothing but kind and lovely, but when he made a certain request that was outside my sexual comfort zone (oh, let's call a spade a spade: instead of asking to have sex, he asked if he could suck on my toes while pleasuring himself), I did what any millennial would do: I told all my friends.
News & Media
Atomic policies state in which conditions a certain request is permitted and in which it is not.
Unfortunately, biology journals are often lax about enforcing requirements that authors make their data readily available, and we have been unable to obtain certain requested datasets.
Science
The truth evaluating method can be mainly divided into two steps: (1) search relevant truths for a certain route request (request(p_mathrm{start},p_mathrm{dest})), where (p_mathrm{start}) and (p_mathrm{dest}) represent the start location and the destination of the request; and (2) measure the confidence score of each route R, ( Rin bar{mathbb {R}}), to be the best recommended route.
Science
Forming the initial steps in the virtual network embedding process, resource description, publication, and discovery are critical phases that aim at assisting the VNP in identifying potential InPs that possess the resources/services needed to satisfy a certain VN request (request coming from a client to instantiate a VN).
Science
Then, we can derive the false positive probability that the AP incorrectly considers that a certain STA has requested for a given subchannel although the STA actually has not requested for the subchannel.
In the original Z-AODV, an intermediate node may rebroadcast a certain routing request only once and abandon the other duplications.
If, for a certain notification request, a notification is needed, the Notification Distributor is responsible for doing so, using the previously configured communication channels for the user being notified.
When a certain service request is made from a user, it is sent to a PR that identifies the user based on specific set of attributes and access privileges against a requested resource.
Science
Expert writing Tips
Best practice
Opt for clearer and more common phrases like "a specific request" or "a particular request" to improve readability and ensure your message is easily understood.
Common error
Avoid combining "certain" and "requested" directly; it can sound redundant. Instead, choose one adjective that best describes the request (e.g., specific, formal).
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a certain requested" functions as an adjectival modifier followed by a noun. However, Ludwig AI points out its non-standard grammatical structure, as it's an unusual combination, making it less effective in formal communication.
Frequent in
Science
33%
News & Media
33%
Formal & Business
33%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "a certain requested" might seem intuitive, Ludwig AI flags it as grammatically incorrect in standard written English. It attempts to specify a request, but its awkwardness undermines clarity. To ensure effective communication, it's advisable to use more standard alternatives like "a specific request" or "a particular request". These alternatives not only improve grammatical correctness but also enhance clarity, making your writing more professional and easily understood.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a specific request
Replaces "certain" with "specific" to emphasize precision.
a particular request
Substitutes "certain" with "particular" for a slightly more formal tone.
a designated request
Uses "designated" to suggest the request was officially assigned.
a duly requested
Implies the request was made correctly and appropriately.
a formally requested
Adds "formally" to indicate the request followed official procedures.
an identified request
Highlights that the request has been recognized or pinpointed.
a specially requested
Uses "specially" to emphasize the unique nature of the request.
a uniquely requested
Stresses the distinctiveness of how the request was made.
a client's request
This alternative specifies whose request is being made.
a user's request
This alternative specifies the request is from a user.
FAQs
What are some alternatives to "a certain requested"?
Consider using more standard phrases like "a specific request" or "a particular request" for better clarity.
When is it appropriate to use "a certain requested"?
While grammatically questionable, it might be used in very specific technical contexts. However, it's generally better to opt for clearer alternatives.
How can I improve the clarity of my requests?
Be precise. Instead of using ambiguous phrases like "a certain requested", specify what you need with phrases such as "a detailed request" or "a formal request".
Is "a certain requested" grammatically correct?
According to Ludwig AI, the phrase is not correct in standard written English, so you should avoid it. Consider alternatives like "a specific request" or "a particular request".
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
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested