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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
previous instance when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "previous instance when" is correct and usable in written English.
It can be used to refer to a specific earlier occurrence or event in a discussion or narrative. Example: "In the previous instance when we faced a similar challenge, we managed to overcome it by collaborating closely."
✓ Grammatically correct
News & Media
Science
Alternative expressions(1)
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
3 human-written examples
Kalb's book doesn't cite any previous instance when a president has risked his foreign policy credibility by submitting himself to Congress under such doubtful circumstances — because it's never happened.
News & Media
Several former F.B.I. officials said that they could think of no previous instance when the White House restricted the bureau's ability to interview potential witnesses during a background check.
News & Media
In a previous instance when Iranian pilgrims were kidnapped in Syria, he said, their captors displayed seized passports signed by Iranian colonels as proof of military credentials of the hostages — even though all Iranian passports have such signatures.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
It begins by citing previous instances when the so-called Cyber Caliphate group successfully infiltrated US networks, including when it hacked into and displayed a banner reading "I love you Isis" on the Central Command's Twitter account earlier this year.
News & Media
His campaign's studiously muted reaction to tonight's developments was a sign of how surreal and unpredictable the last 19 days had been, of the previous instances when Mr. Bush had begun to stride toward a presidential spotlight, only to see it ebb and fade before he could get there.
News & Media
The chart below shows how the SPX and the VIX behaved this decade following previous instances when the SPX declined by 10%.
News & Media
In previous instances when the city has been asked to disclose information to the public, they seem to have adopted a position of "don't ask, and we won't tell". However, since the public lacks the subpoena power of the Housing Authority, I ask in the name of full disclosure that any and all information regarding the awarding of the ADI contract be made public.
News & Media
The previous instance was in 1985, when Paul Castellano, another Gambino crime boss, was assassinated under the orders of John Gotti outside Manhattan's Sparks Steak House.
News & Media
The previous instance of dangerous debt-to-GDP was in 1929, when it rose to 270%, declining in the depression and afterward to 1.5-to-1 or 1.7-to-1 in the sane and stable 1950s.
News & Media
For instance, when applying the recommendation of the previous example to the prescription of an AGI for a patient as first-line treatment, the system deduces that the only recommended prescription is metformin.
And in the rare instance when taxpayers reject a school budget, the statutory contingent budget is essentially the previous year's budgeted amount.
News & Media
Expert writing Tips
Best practice
When using "previous instance when", ensure the context clearly establishes what the 'instance' refers to, preventing ambiguity.
Common error
Avoid using "previous instance when" immediately after already establishing a timeline. This can create unnecessary repetition and disrupt the flow of your writing.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "previous instance when" functions as an adverbial phrase, modifying a verb or clause by specifying the time or circumstances of an action. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
60%
Science
30%
Formal & Business
10%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "previous instance when" is a grammatically correct adverbial phrase used to refer to specific prior events or situations. Ludwig AI validates this, also noting its usability. It's most commonly found in news and media sources. While not extremely frequent, the phrase is useful for providing context and drawing comparisons. When writing, make sure that the referenced "instance" is clear to avoid ambiguity, and be mindful of potential redundancy. Alternatives like "prior occasion when" or "earlier case when" may offer more concise options.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
prior occasion when
Replaces "instance" with "occasion", maintaining the temporal reference.
earlier case when
Substitutes "instance" with "case", focusing on a specific situation.
previous time that
Replaces "instance when" with "time that", simplifying the wording.
prior occurrence when
Uses "occurrence" instead of "instance", emphasizing the event's happening.
in the past when
Offers a more general reference to the past.
before when
A shortened version indicating a prior moment.
on a prior occasion when
Adds emphasis using "on a prior occasion".
in a former situation when
Highlights the situational aspect of the previous event.
the last time that
Focuses on the immediately preceding event.
an earlier event when
Emphasizes that the "instance" is an "event" and happened earlier.
FAQs
How can I use "previous instance when" in a sentence?
Use "previous instance when" to refer back to a specific earlier event or case. For example, "In the previous instance when we tried this, the results were different."
What's a more concise way to say "previous instance when"?
Consider using "prior occasion when" or "earlier case when" to convey a similar meaning with fewer words.
Is "previous instance when" formal or informal?
"Previous instance when" is generally suitable for formal and neutral contexts. For more casual settings, you might opt for phrases like "before when".
How does "previous instance when" differ from "following instance when"?
"Previous instance when" refers to something that occurred in the past, while "following instance when" would refer to something that occurs subsequently. They represent opposite temporal directions.
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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
4.3/5
Expert rating
Real-world application tested