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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 developing for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had been developing for" is correct and usable in written English.
It can be used to describe an ongoing process or action that started in the past and continued up to a certain point in time. Example: "The project had been developing for several months before it was finally completed."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(15)
had been underway for
had been prepared for
had been looking for
had been bracing for
had been scrubbing for
had been smouldering for
had been playing for
had been hoping for
had been deteriorating for
had been functioning for
had been advocating for
had been agitating for
had been standing for
had been sitting for
had been expecting for
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
35 human-written examples
"It had been developing for years.
News & Media
The Libyan ISIS affiliate had been developing for some time.
News & Media
In fact, it had been developing for months.
News & Media
The high tech weapons that we had been developing for decades finally behaved roughly as advertised.
News & Media
Interventional cardiology had been developing for less than a decade, using tiny balloons to squash blockages against artery walls.
News & Media
Three years ago, Miyake relinquished the helm of his master collection to fine-tune his A-POC concept, which he had been developing for the last 30 years.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
25 human-written examples
The apartments had been developed for middle-income people.
News & Media
Gwent Police said training had been developed for relevant staff.
News & Media
The 6 module course had been developed for independent study.
Science
The trend has been developing for decades.
News & Media
The cash crisis has been developing for several months.
News & Media
Expert writing Tips
Best practice
Use "had been developing for" to precisely convey that something was in a process of development over a specific duration, emphasizing the continuity of the process. This is especially useful in historical accounts, project reports, or scientific studies where tracking the evolution of something is crucial.
Common error
Avoid using "had been developing for" without a clear indication of the timeframe. Saying 'the technology had been developing for a while' is vague. Instead, specify the duration: 'The technology had been developing for five years'.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been developing for" functions as a past perfect progressive verb phrase. It indicates an action or process that was in progress for a period leading up to a specific point in the past. Ludwig provides numerous examples showcasing its usage in various contexts.
Frequent in
News & Media
69%
Academia
19%
Science
11%
Less common in
Encyclopedias
6%
Wiki
6%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "had been developing for" is a grammatically correct and commonly used past perfect progressive verb phrase that effectively conveys the duration and continuous nature of a process leading up to a point in the past. According to Ludwig, this phrase is versatile, appearing frequently in news, academic, and scientific contexts. When using this phrase, clarity is key. Ensure that you provide a specific timeframe to avoid vagueness. Alternatives include "had been evolving for" and "had been progressing for", which can add nuanced meaning depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had been evolving for
Emphasizes a gradual change or transformation over time.
had been progressing for
Focuses on forward movement or advancement during a period.
had been growing for
Highlights an increase in size, extent, or maturity over a duration.
had been maturing for
Suggests a process of becoming fully developed or ripe over time.
had been underway for
Indicates that something has been in progress or in operation for a specified time.
had been in the works for
Implies that something has been planned or prepared for a certain period.
had been gestating for
Suggests a period of incubation or development before manifestation.
had been in preparation for
Focuses on the act of making something ready for use or consideration over a period.
had been brewing for
Implies that something, often negative or intense, has been gradually building up.
had been fomenting for
Suggests that something, typically unrest or discord, has been stirred up or incited over time.
FAQs
How can I use "had been developing for" in a sentence?
You can use "had been developing for" to describe a process, skill, or idea that evolved over a period, like, "The company's new product "had been developing for" three years before its release."
What are some alternatives to "had been developing for"?
Depending on the context, you might use alternatives like "had been evolving for", "had been progressing for", or "had been maturing for".
Is it correct to say "has been developing for" instead of "had been developing for"?
The choice depends on the time frame. "Has been developing for" indicates the process is still ongoing in the present. "Had been developing for" indicates the process occurred in the past and may or may not be continuing now.
Can "had been developing for" be used for both tangible and intangible things?
Yes, ""had been developing for"" can describe the evolution of both concrete things (like a product) and abstract concepts (like a political ideology).
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested