Used and loved by millions
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
did not previous
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "did not previous" is not correct in English.
It seems to be an attempt to convey a past action or state but lacks proper grammatical structure. Example: "He did not previously attend the meeting."
⚠ May contain grammatical issues
Wiki
Science
News & Media
Alternative expressions(7)
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
1 human-written examples
In legal terminology, "novel" refers to something that did not previous exist.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
A previous study pointed out that the teams in charge of children after the PICU stay did not take previous PICU LTDs into account.
Science
The commission did not have previous experience of using the agile approach," the report notes.
News & Media
Measures involving the fundamental and the formants did not corroborate previous findings.
Science
Permeability measurements in gels did not match previous measurements in tumors.
Science
As with our series, some of these patients did not have previous migraine.
Results did not support previous studies that low-frequency hearing loss can occur within 24 hours after myelogram procedure.
It is of interest to note that all listeners in our test did not have previous experience in such tests.
He did not have previous history suggestive of pancreatitis but presented as acute rupture of splenic artery pseudoaneurysm.
Science
However, we obtained most baseline sCr and we ensured that patients who developed AKI did not have previous significant CKD.
Science
We did not find previous studies that evaluated the impact of these maneuvers on microcirculation, which makes our results novel.
Science
Expert writing Tips
Best practice
Always use "previously" instead of "previous" when you need an adverb to modify a verb in past tense constructions. For example, instead of saying "He "did not previous" attend", say "He did not previously attend".
Common error
Avoid using the adjective "previous" in place of the adverb "previously" when modifying a verb. "Previous" describes nouns, while "previously" describes actions or states.
Source & Trust
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "did not previous" attempts to negate a past action or state. However, it's grammatically incorrect because it uses the adjective "previous" instead of the adverb "previously". Ludwig AI marks this phrase as incorrect.
Frequent in
Science
33%
News & Media
33%
Wiki
34%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "did not previous" is grammatically incorrect due to the misuse of the adjective "previous" in place of the adverb "previously". As Ludwig AI highlights, the correct form is "did not previously". While examples can be found across various sources, including science, news, and wiki articles, it's best to avoid this phrasing in formal writing. Instead, opt for alternatives like "did not previously", "had not previously", or "never previously" to ensure clarity and grammatical correctness. Always use "previously" to modify verbs in past tense constructions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
did not previously
This alternative replaces 'previous' with the adverb 'previously', correcting the grammatical structure.
had not previously
Uses 'had not' to indicate a past perfect tense, which is grammatically correct and often more appropriate.
never previously
Emphasizes that something has not happened at any point before.
not previously
A shorter, slightly less formal way to say "did not previously".
was not previous
Changes the verb to 'was' which may fit certain sentence structures.
did not earlier
Replaces 'previous' with 'earlier', offering a simpler alternative.
had not earlier
A past perfect version using 'earlier' instead of 'previous'.
not before
A more concise way to express that something didn't happen before.
not formerly
Replaces previous with formerly
did not formerly
Replaces previous with formerly and adds the verb did
FAQs
Is "did not previous" grammatically correct?
No, "did not previous" is not grammatically correct. The correct phrasing is to use the adverb "previously", as in "did not previously". The adverb modifies the verb "did".
What's a better way to say "did not previous"?
A better way to say "did not previous" is "did not previously". You could also use "had not previously" or "never previously", depending on the context.
How can I use "previously" in a sentence?
You can use "previously" in a sentence to indicate that something happened at an earlier time. For example: "The data was not previously available" or "He had not previously considered that option".
What's the difference between "previous" and "previously"?
"Previous" is an adjective that describes a noun (e.g., "previous experience"), while "previously" is an adverb that modifies a verb, adjective, or another adverb (e.g., "previously mentioned"). Using "previous" where an adverb is needed is a common error.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested