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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 occurring
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had been occurring" is correct and usable in written English.
It is typically used to describe an action or event that was happening continuously or repeatedly in the past before another action took place. Example: "The issues had been occurring for several months before the management decided to take action."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Academia
Alternative expressions(20)
had happened
had occurred
had developed
had taken place
had evolved
had been transpiring
had unfolded
had transpired
had been brewing
had materialized
had been happening
had been producing
had been participating
had been existing
had been progressing
had been commenced
had been generated
had been smelling
had sensed
had been experiencing
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
56 human-written examples
The elongations of Mercury had been occurring every 350 days.
Encyclopedias
Her troubles against Terran had been occurring in the middle to late ranges of games.
News & Media
We realized this mechanism had been occurring for years at University's startup competitions, such as the MIT 100K Accelerate Contest.
It concluded, therefore, that Trussell's claim did not accurately reflect what had been occurring in its food banks.
News & Media
The size of the overstatement was unclear, but the company said it had been occurring for several years.
News & Media
They smoke marijuana in public.' Anne Longfield said regeneration in deprived areas had been occurring for decades, but the focus was on buildings and roads.
News & Media
In January 2008, health authorities in the United States beganreceiving reports of clusters of acute hypersensitivity reactionsin patients undergoing dialysis that had been occurring sinceNovember 2007.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
And these declines have been occurring nationwide.
News & Media
They have been occurring on a smaller scale for years.
News & Media
Important changes have been occurring in Israel in recent days.
News & Media
Extensive re-hanging has been occurring in the Asian Galleries.
News & Media
Expert writing Tips
Best practice
Use "had been occurring" to clearly indicate that an event or situation was in progress continuously or repeatedly before a specific point in the past. This helps establish a timeline of events for your reader.
Common error
Avoid using "had been occurring" to describe a single, completed event in the past. This phrase is best suited for actions that were ongoing or repetitive. For single events, use the past perfect tense, like "had occurred".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been occurring" functions as the past perfect continuous tense of the verb "occur". It's used to describe an action or event that was in progress over a period of time before another point in the past. Ludwig confirms its grammatical correctness and usability.
Frequent in
News & Media
50%
Science
23%
Encyclopedias
9%
Less common in
Academia
9%
Wiki
5%
Formal & Business
4%
Ludwig's WRAP-UP
In summary, "had been occurring" is a grammatically sound and frequently used phrase to describe ongoing or repeated actions in the past before another specified time. According to Ludwig, its use is appropriate across various registers, with a leaning towards news, scientific, and encyclopedic contexts. Remember to use this phrase to clarify timelines and provide context, ensuring not to misuse it for single, completed events. The varied examples demonstrate its broad applicability in conveying nuanced historical information. This alligns with Ludwig AI, which demonstrates the correctness of the phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
had developed
Focuses on the growth or evolution of something over time.
had taken place
This alternative focuses on the event happening in a specific location or setting.
had been underway
This phrase highlights that a process or activity was in progress.
had evolved
This alternative emphasizes a gradual change or transformation over a period of time.
had been transpiring
Similar to "had transpired", but emphasizes the unfolding or becoming known of events.
had unfolded
This alternative suggests a gradual revelation or unfolding of events, often with dramatic or surprising elements.
had transpired
This alternative replaces "occurring" with a word that suggests events have taken place, often with a sense of mystery or unfolding.
had come to pass
This phrase conveys that something has happened or been fulfilled, often with a sense of inevitability or destiny.
had been brewing
Suggests that something had been developing or intensifying, often secretly or gradually.
had materialized
This option emphasizes the event becoming real or concrete, often after a period of planning or anticipation.
FAQs
How can I use "had been occurring" in a sentence?
Use "had been occurring" to describe an action that was ongoing or repeatedly happening before another event in the past. For example, "The errors "had been occurring" for weeks before they were noticed".
What's a simple alternative to "had been occurring"?
A straightforward alternative is "had happened", though this may not always capture the sense of continuous or repeated action.
Is there a difference between "had been occurring" and "had occurred"?
"Had been occurring" implies a continuous or repeated action, whereas "had occurred" suggests a completed single event. For instance, "The meetings "had been occurring" weekly" versus "The accident had occurred suddenly".
When is it appropriate to use "had been occurring" instead of "was occurring"?
Use "had been occurring" when you need to establish a sequence of past events, where one event was in progress before another. "Was occurring" describes an action happening at a specific point in the past, without necessarily linking it to another past event.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested