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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
are registered in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are registered in" is correct and usable in written English.
You can use it when referring to someone or something being recorded or entered into an official list or register. For example: All new members of the club are registered in a central database.
✓ Grammatically correct
News & Media
Science
Academia
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
60 human-written examples
Learner actions are registered in a database.
Science
About 550,000 individuals are registered in the database.
News & Media
Every week, some 20 new charities are registered in Britain.
News & Media
Nearly all of his companies are registered in Delaware.
News & Media
And of course many companies are registered in other buildings.
News & Media
The articles and debates are registered in Juraportal.dk.dk
Academia
Over a million patios are registered in Cuba.
News & Media
To complicate detection further, the servers on which #ccpower is based are registered in Azerbaijan.
News & Media
More than half are registered in British tax havens – as well as in the UK.
News & Media
A total of 43 affected planes are registered in the United States, he said.
News & Media
"One hundred per cent of our sales are registered in the UK," he says.
News & Media
Expert writing Tips
Best practice
When using "are registered in", ensure that the context clearly indicates the specific registry or database being referenced to avoid ambiguity.
Common error
Avoid using incorrect prepositions after "are registered". For example, "are registered at" or "are registered on" are generally incorrect; "are registered in" is the standard and most appropriate choice.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are registered in" functions as a passive verb phrase, indicating that the subject has undergone the action of being officially recorded or listed within a specific system or location. Ludwig provides numerous examples to confirm correct grammatical usage.
Frequent in
News & Media
45%
Science
30%
Academia
10%
Less common in
Formal & Business
10%
Wiki
3%
Encyclopedias
2%
Ludwig's WRAP-UP
The phrase "are registered in" is a grammatically sound and widely used expression to denote official recording or listing. As confirmed by Ludwig, its usage spans across diverse contexts, including news, science, academia, and business. While the phrase itself maintains a neutral tone, the formality of its usage can shift depending on the source material. When employing this phrase, ensure clarity by specifying the registry or database and avoid incorrect prepositions. Ludwig’s examples and the tool's "correct" assessment emphasize the phrase’s reliability in written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are listed in
Uses "listed" instead of "registered", implying a simpler form of record-keeping.
are recorded in
Replaces "registered" with "recorded", suggesting a broader sense of documentation.
are cataloged in
Suggests a more detailed and organized system of record-keeping.
are part of the database at
Specifies that information is contained within a digital record system.
are enrolled in
Specifically used when referring to people joining a program or institution.
are documented within
Highlights the act of documenting information, rather than just listing it.
appear in the registry of
Emphasizes the presence of something within an official list.
hold a record in
Highlights the existence of a record within a system.
are on file at
Indicates that information is kept in a specific location or system.
are officially recognized by
Implies an acknowledgement from authority.
FAQs
How do I use "are registered in" in a sentence?
Use "are registered in" to indicate that something has been officially recorded or listed in a specific system or location. For example, "All vehicles "are registered in" the state database".
What can I say instead of "are registered in"?
You can use alternatives like "are listed in", "are recorded in", or "are enrolled in" depending on the context.
Is it correct to say "are registered at" instead of "are registered in"?
While "are registered in" is the standard usage for indicating official recording, "are registered at" might be acceptable in certain contexts referring to a location, but it's generally safer to stick with ""are registered in"" for clarity.
What's the difference between "are registered in" and "are on file at"?
"Are registered in" suggests a formal, official listing, while "are on file at" implies that information is stored or documented in a particular place but not necessarily officially listed.
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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
4.5/5
Expert rating
Real-world application tested