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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 revising
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had been revising" is correct and usable in written English.
It is typically used to indicate an action that was ongoing in the past before another action occurred. Example: "She had been revising for her exams for weeks before she finally felt prepared."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
had been reviewing
had been studying
had been updating
had been examining
had been assessing
had been evaluating
had reviewed
had been inspecting
had been scrutinizing
had been considering
had begun reviewing
had been referring
had been deliberate
had been revisited
had been revised
had been discussing
had been discussed
had been exploring
had been participating
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
6 human-written examples
It felt like I had been revising for exams and had finally got to test myself.
News & Media
The agency, which had been revising downward its predictions all year, forecast growth of 2 million barrels a day for 2008 when the year started.
News & Media
Stanley M. Sanger, the superintendent, said that the district had been revising its curriculum to better cover skills required on the tests.
News & Media
The participants then took a test on the passages they had been revising, rating how distracting their environment had been, as well as writing down their predictions for how well they thought they had done.
News & Media
Professor Sheffield said mainstream historians had been revising their opinions of the conflict over the past three decades overturning the "bad war" theory which had taken hold in the 1930s.
News & Media
With renewed insight, I plunged into the novel manuscript I had been revising and within months landed an agent.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
And so "history had been revised".
News & Media
Costs had been revised up while proposed benefits had been revised down.
News & Media
By Friday, that figure had been revised down to 4.1percentt.
News & Media
Growth had been revised up by the independent Office for Budget Responsibility, Hammond said, while the budget deficit had been revised down.
News & Media
Those estimates had been revised downward, though.
News & Media
Expert writing Tips
Best practice
Use "had been revising" to clearly indicate an action of revising that took place over a period of time before another action or a specific point in the past. This helps establish a clear sequence of events in your writing.
Common error
Avoid using "had been revising" when you simply need to express a completed action in the past. Ensure the context requires emphasizing the continuous nature of the revising process before a subsequent event.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had been revising" functions as a past perfect continuous verb phrase. It indicates an action that was ongoing in the past before another action or time. As Ludwig AI confirms, it's a grammatically sound way to express prolonged activity before a specific point in time.
Frequent in
News & Media
71%
Science
29%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "had been revising" is a grammatically correct past perfect continuous tense phrase used to describe an action of revising that was ongoing before another event in the past. Ludwig AI confirms its validity. While not extremely common, the phrase appears in diverse contexts, particularly News & Media, where clarifying timelines is important. When writing, remember to use "had been revising" to clearly emphasize the duration of the revising process before a specific point in time, and avoid using it simply to denote a completed action. Alternatives such as "had been reviewing" or "was actively revising" offer similar meanings with slightly different nuances.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
had been reviewing
Replaces "revising" with "reviewing", suggesting a more general examination of material.
was actively revising
Emphasizes the ongoing nature of the revision process at a particular time.
was in the process of revising
Emphasizes the act of revising as an ongoing activity at a specific time in the past.
had carefully revised
Adds the element of care and precision to the act of revising.
had been going over
Informal alternative, conveying the act of checking or studying something again.
had worked on revisions
Indicates effort put into making revisions.
had systematically revised
Implies that revisions were done in an organized and methodical manner.
had spent time revising
Highlights the time dedicated to the revision process.
had dedicated time to revising
Highlights commitment to revise something
had previously revised
Focuses on the prior action of revising, without necessarily implying a continuous process.
FAQs
How is "had been revising" used in a sentence?
Use "had been revising" to describe an action of revising that was in progress for a period of time before another action occurred, for example: "She "had been revising" her essay for weeks before submitting it".
What are some alternatives to "had been revising"?
Depending on the context, you could use phrases like "had been reviewing", "was in the process of revising", or "had been going over".
What’s the difference between "had been revising" and "had revised"?
"Had been revising" emphasizes the continuous nature of the action over a period of time, while "had revised" simply indicates that the action of revising was completed at some point in the past.
When should I use "had been revising" instead of "was revising"?
Use "had been revising" when you need to establish that the action of revising occurred before another action in the past. "Was revising" indicates an action in progress at a specific time in the past, without necessarily implying a sequence of events.
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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