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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 released
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'had been released' is grammatically correct and perfectly usable in written English.
You can use it when you are referring to something that happened in the past and has been completed. For example: The prisoner had been released, so he was able to start fresh.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
was released
was freed
was discharged
was let go
was made available
had been unleashed
had been cleared
was issued
was launched
had been revealed
had been liberalised
had been recognised
had been rescheduled
had been arrested
had been relinquished
had been issued
had been realised
had been commercialized
had been ceased
had been refused
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
57 human-written examples
We later heard they had been released.
News & Media
O'Connell had been released by Miami.
News & Media
All had been released by Tuesday night.
News & Media
A fifth officer had been released earlier.
News & Media
It was not clear whether the others had been released.
News & Media
By Saturday evening, however, all had been released.
News & Media
"It was like the dam had been released.
News & Media
(It had been released in Canada around two years ago).
News & Media
By mid-November about $7 billion had been released.
Encyclopedias
Pepper's Lonely Hearts Club Band" had been released that June).
News & Media
Another hour passed, and still no one had been released.
News & Media
Expert writing Tips
Best practice
When describing legal or official situations, ensure the context supports the passive voice to emphasize the recipient of the action rather than the actor.
Common error
Avoid using "was released" when you need to emphasize that the release happened before another event in the past. "Was released" indicates a simple past action, while "had been released" establishes a past perfect action.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been released" functions as the past perfect passive form of the verb "release". It indicates that an action of releasing was completed before another point in the past. Ludwig's AI confirms its grammatical correctness.
Frequent in
News & Media
65%
Science
20%
Encyclopedias
5%
Less common in
Wiki
3%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "had been released" is a grammatically correct and frequently used phrase in the English language. Ludwig AI confirms its validity, and the examples show it commonly appears in news, scientific articles, and encyclopedias. It's used to indicate that something was freed, issued, or made available before a specific point in the past. When using this phrase, ensure you need to emphasize that the release happened before another event. Common alternatives include "was freed", "was discharged", and "was let go", depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was freed
Emphasizes the act of liberation.
was set free
Similar to 'was freed' but with added emphasis.
was discharged
Implies a formal release, often from a hospital or service.
had been liberated
Emphasizes the act of being freed from a restrictive situation.
was let go
Uses a more informal phrasal verb to indicate release.
was made available
Indicates something is accessible for use.
had been unleashed
Suggests a forceful or uncontrolled release.
had been cleared
Indicates that an obstacle or suspicion has been removed.
was issued
Focuses on the action of formally providing something like a statement or product.
was launched
Indicates the start or introduction of a product or project.
FAQs
How can I use "had been released" in a sentence?
"Had been released" indicates a completed action in the past before another point in time. For example, "The information "had been released" before the investigation began."
What's the difference between "had been released" and "was released"?
"Had been released" is past perfect passive, indicating an action completed before another past action. "Was released" is simple past passive. For example, "The prisoner "had been released" before the new law passed," versus "The prisoner "was released" yesterday."
What are some alternatives to "had been released"?
Depending on the context, you could use alternatives like "was freed", "was discharged", or "was let go".
Is "had been released" formal or informal?
The phrase "had been released" is generally considered neutral and can be used in both formal and informal contexts, depending on the surrounding vocabulary and sentence structure. Ludwig's sources indicate it's frequently found in News & Media and Science.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested