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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 developed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"had been developed" is a perfectly correct and usable phrase in written English.
You can use it when referring to something that has been created or improved over a period of time. For example: "The new software had been developed over the last three years, and is now ready for release."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
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
The easy ones had been developed.
News & Media
The apartments had been developed for middle-income people.
News & Media
The technique had been developed at Cambridge University's Psychometrics Center.
News & Media
But Mr. Davis said that screening techniques had been developed.
News & Media
Thus the first dental unit had been developed by 1891.
Science & Research
Other methods had been developed to measure the solar system.
News & Media
Worldwide many practical systems had been developed for ASR.
Well, there were volumes of plans that had been developed by the staff people.
Academia
I sympathise with both sides and wish that discussion had been developed further.
News & Media
By 1991, there were 823 vacant acres, and the rest had been developed.
News & Media
"The system had been developed when gray was trending really strong.
News & Media
Expert writing Tips
Best practice
Use "had been developed" to emphasize that a process of creation or improvement occurred over a period ending before a specific point in the past. This phrasing adds context to the timeline.
Common error
Avoid using "had been developed" when a simpler past tense ("was developed") suffices. Overusing the past perfect can make your writing sound unnecessarily complex. Use "had been developed" specifically to show that the development preceded another past event.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been developed" functions as a past perfect passive construction, indicating that something underwent a process of development prior to a specific point in the past. Ludwig showcases numerous examples from diverse sources, confirming its established grammatical role.
Frequent in
Science
35%
News & Media
30%
Academia
15%
Less common in
Encyclopedias
8%
Formal & Business
7%
Wiki
5%
Ludwig's WRAP-UP
In summary, "had been developed" is a grammatically sound and frequently used phrase, as supported by the examples from Ludwig. It serves to indicate that something was created or improved over a period, concluding before a specific point in the past. Its neutral tone makes it suitable across various writing styles. Ludwig AI affirms its correctness, highlighting its function in providing historical context. When using the phrase, ensure it accurately reflects the timeline of development relative to other past events for maximum clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was invented
Implies the creation of something entirely new.
was formulated
Suggests a more methodical and planned approach to development.
was created
Focuses on the act of creation rather than the process of development.
was designed
Focuses on the planning and intention behind the creation.
was established
Emphasizes the founding or setting up of something.
was advanced
Highlights the improvement and progression of something.
was constructed
Highlights the building or assembling of something, often physical.
was refined
Suggests a process of improvement to remove imperfections.
was built
Implies gradual addition of components or features.
was cultivated
Suggests careful nurturing and growth over time.
FAQs
How is "had been developed" used in a sentence?
The phrase "had been developed" indicates that something was created or improved over a period of time, concluding before a specific point in the past. For example, "The software "had been developed" over three years before its release."
What are some alternatives to "had been developed"?
Alternatives include "was created", "was established", or "was invented" depending on the specific nuance you want to convey.
What's the difference between "was developed" and "had been developed"?
"Was developed" indicates a past action, while "had been developed" indicates a past action completed before another point in the past. "The city "was developed" in the 19th century" versus "By 1950, the city "had been developed" significantly."
Is it incorrect to use "had been developed" in modern English?
No, it's not incorrect, but it's crucial to use it accurately. The past perfect tense (had + past participle) indicates an action completed before another past action, which is grammatically sound and frequently used.
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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