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
not frequent to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not frequent to" is not correct in standard written English.
It is unclear and does not convey a clear meaning in the context of frequency. Example: "It is not frequent to see such behavior in this community."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
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
It is not frequent to have two pairs of twin clones in the same disc, both crossing the A/P border.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Under such conditions, we presume that events are not frequent enough to be familiar to practitioners.
It is argued that horizontal gene transfers (HGT) between phages, detected by comparing individual gene trees to the gene-content tree, are not frequent enough to remove the phylogenetic signal due to vertical inheritance.
Science
Involvement of specialists in primary care was mainly through conventional referrals, and visiting specialist services to health centres were perceived generally as not frequent enough to meet needs.
Science
Migration among populations is sufficient to minimize random genetic drift [ 30] but not frequent enough to extinguish local adaptation [ 31, 32].
Science
The data obtained with low acute UV doses suggest that if the lesions are not frequent enough to interfere with G1 or G2 processes, the cell has no way (or need) to acknowledge their presence and activate the checkpoint.
Science
The occurrences are not frequent enough to suggest they will impede Balotelli's development.
News & Media
Exceptional flows are frequent, in other words, but not frequent enough to deter people from building pantiled mansions in the war zone, dingbats in the line of fire.
News & Media
Orchestras from any part of Ireland are not frequent visitors to New York, but here, just weeks after a concert by the Ulster Orchestra, comes another.
News & Media
This courtroom exchange was great, even if the judge didn't think so: "How was your sex life?" "I don't know, how would you describe yours?" "Not frequent enough, to be honest".
News & Media
However, often the setpoint updates computed by the RTO are not frequent enough to capture all disturbances.
Science
Expert writing Tips
Best practice
When intending to convey something doesn't occur often, substitute "not frequent to" with its more conventional alternatives. A more common expression increases credibility in professional context.
Common error
Relying on "not frequent to" might confuse readers or diminish your writing's credibility, particularly in academic or professional settings. It's safer to use widely accepted phrasing.
Source & Trust
81%
Authority and reliability
2.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not frequent to" functions as an adverbial modifier, aiming to express the infrequency of an action or state. However, Ludwig AI indicates that it is not grammatically correct. The examples found by Ludwig demonstrate its use in various contexts, though less common than alternative phrasings.
Frequent in
Science
38%
News & Media
33%
Formal & Business
4%
Less common in
Encyclopedias
3%
Wiki
2%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "not frequent to" aims to convey infrequency, it's considered grammatically incorrect in standard English. As Ludwig AI suggests, it's best to opt for clearer and more widely accepted alternatives like "not common to", "rarely to", or "infrequent to". Using these alternatives will enhance clarity and credibility in your writing, especially in formal contexts. Although examples exist, favoring grammatically sound options strengthens your communication. Using it could confuse your readers and it is best to select other options.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not common to
Replaces "frequent" with "common", offering a more standard and widely accepted expression.
uncommon to
Highlights the unusual or exceptional nature of something.
not typical to
Substitutes "frequent" with "typical", emphasizing the unusual or atypical nature of something.
not usual to
Similar to "not typical to", but may suggest a lower level of deviation from the norm.
atypical to
Highlights something that is an exception to the rule.
not often to
Replaces "frequent" with "often", focusing on the lack of regularity in occurrences.
infrequent to
Directly uses the adjective form of "frequent" to negate its meaning.
rarely to
Emphasizes the scarcity or infrequency of an event or situation.
seldom to
Similar to "rarely to", indicating infrequent occurrences.
not characteristic to
Shifts the focus to whether something is representative or indicative of a particular thing.
FAQs
What are some alternatives to "not frequent to"?
Alternatives include phrases like "not common to", "rarely to", or "infrequent to", depending on the specific nuance you wish to convey.
Is it grammatically correct to say "not frequent to"?
No, the phrasing "not frequent to" is generally considered grammatically incorrect in standard English. It is better to use alternatives such as "not common to" or "rarely to".
When should I avoid using the phrase "not frequent to"?
It's best to avoid "not frequent to" in formal writing, academic papers, or professional communications. More standard phrases like "not typical to" or "uncommon to" will ensure clarity and credibility.
How can I use "not frequent to" correctly?
While "not frequent to" is generally discouraged, it might appear in informal conversation. However, for clarity and grammatical correctness, always opt for phrases like "not often to", "seldom to", or "not usual to".
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
81%
Authority and reliability
2.4/5
Expert rating
Real-world application tested