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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
had been registered
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had been registered" is correct and usable in written English.
It is typically used to indicate that something was registered at a point in the past before another past event. Example: "By the time the event started, all participants had been registered."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
was registered
was listed
was recorded
was logged
had registered
has been registered
had been documented
had been represented
had been suggested
had been subscribed
had been recognized
had been administered
had been participated
had been reported
had been preferred
had been retrieved
had been recognised
had been removed
had been gathered
had been identified
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
Of the 52 registered studies, 27% had been registered before initiation (table 2).
Science
The McCarthys had been registered Republicans.
News & Media
By Thursday, an additional 126,000 refugees had been registered.
News & Media
An application had been registered in Bulgaria and Austria.
News & Media
The original suspect had been registered at the shelter.
News & Media
A slight shift in his position had been registered.
News & Media
The EMF would only exchange debt instruments that had been registered with it beforehand.
News & Media
As of July 1 of this year, 1,016 animals had been registered.
News & Media
The brief messages were sent using a SIM card that had been registered in her name.
News & Media
In the hours after that, law enforcement officials said the car had been registered to Carey.
News & Media
Just two people who had been registered donors asked to remove themselves from the registry.
News & Media
Expert writing Tips
Best practice
Use "had been registered" to clearly indicate an action completed before another point in the past. This helps establish a sequence of events, improving clarity in your writing.
Common error
Avoid using "was registered" when you need to emphasize that the registration happened before another past event. "Was registered" simply states the registration occurred at some point in the past, lacking the sequential context provided by "had been registered".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been registered" functions as a past perfect passive construction. According to Ludwig AI, it describes an action (registration) completed before another point in the past, with the focus on the object (what was registered) rather than the agent.
Frequent in
News & Media
45%
Science
35%
Formal & Business
10%
Less common in
Wiki
6%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "had been registered" is a grammatically sound and versatile phrase used to describe an action of registration completed before a specific time in the past. Ludwig AI confirms its correctness and broad applicability, as demonstrated by numerous examples from reputable sources across diverse domains, including News & Media, Science and Formal & Business contexts. When writing, it is advisable to remember its function to establish a temporal relationship clearly, and also consider alternative options such as ""was registered"" when the past perfect tense is not necessary.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was registered
Simple past passive, indicating registration occurred at a specific time.
has been registered
Present perfect passive, implying registration happened recently and is still relevant.
had registered
Past perfect active, focusing on the actor who performed the registration.
was on record
Indicates that something was officially recorded or documented.
was listed
Suggests inclusion in a formal list or directory.
had been documented
Highlights that something was formally recorded as evidence.
was logged
Implies a systematic recording of data or events.
was officially enrolled
Specifies formal registration in a program or institution.
had a record of
Emphasizes that a formal record exists for something.
was on the registry
Denotes inclusion in a formal register or database.
FAQs
How is "had been registered" different from "was registered"?
"Had been registered" indicates an action completed before another event in the past, while "was registered" simply states that the action occurred at some point in the past. For instance, "By the time the event started, all participants "had been registered"" shows completion before the event. "He "was registered" last week" just notes the registration.
What are some alternatives to "had been registered"?
Alternatives depend on context. You could use "was listed", "was recorded", or "was logged" if you want to convey different nuances of the registration process. If the context focuses on the actor who performed the registration, you can use "had registered".
Is it correct to say "have been registered" instead of "had been registered"?
The correctness depends on the timeline you're describing. "Have been registered" is present perfect, implying that the registration's effects are still relevant. "Had been registered" is past perfect, referring to an action completed before another point in the past. Choose the tense that accurately reflects the temporal relationship you want to convey.
When should I use the active voice instead of the passive "had been registered"?
Use the active voice (e.g., "they had registered") when you want to emphasize the actor performing the registration. The passive voice ("had been registered") is more appropriate when the action itself is more important than who performed it, or when the actor is unknown or irrelevant.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested