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
yes knowledge of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "yes knowledge of" is not correct in standard written English.
It is unclear and lacks proper grammatical structure, making it difficult to determine its intended meaning. Example: "Yes, knowledge of the subject is essential for success in this field."
⚠ May contain grammatical issues
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Did he? Technically, yes, though his knowledge of the game is suspect.
News & Media
But a lawyer with knowledge of YES's position said that a company as powerful within its market as Cablevision -- with three million subscribers plus MSG and Fox Sports New York, which together carry six teams' games -- is working to maintain its monopoly by rejecting the same financial terms for YES that all other cable operators have accepted.
News & Media
Regarding the former, the question asked was "[w]hich of the following international environmental issues do you know of?" The main options available to the respondent included global warming/greenhouse gases, climate change, Kyoto Protocol… Respondents were to choose YES if they had knowledge of the option provided and NO if otherwise.
"Highly political from the beginning, yes, but this encyclopaedic knowledge of music and TV – I'm sure she could still recite episodes of Jerry Springer".
News & Media
Not only can literary theory (along with art criticism, sociology, and yes, non-naturalistic philosophy) produce knowledge of an important and even fundamental nature, but fiction itself, so breezily dismissed in Professor Rosenberg's assertions, has played a profound role in creating the very idea of reality that naturalism seeks to describe.
News & Media
This four-item test with the answer options yes and no will assesses knowledge of options, clarity of importance of advantages and disadvantages, sufficient level of support, and being sure about the best choice.
Science
And this is really what Ms. Palin lacks: knowledge — of history, yes, but also of culture, geography, science and philosophy.
News & Media
The learning level was assessed with questions about general SDM knowledge (three questions answered "true" or "false"), recognition of the SDM steps (seven questions answered "yes", "no", or "not sure"), and knowledge of patient decision aids (seven questions answered "true" or "false").
This lack of awareness is due to a lack of training in tobacco cessation: "No I haven't undergone any formal or informal training, but yes I just use my own knowledge of what the dangers of tobacco use (are).... .......... (P12, Physician, <5 years' experience).
Science
(2) Factors related to knowledge and perceptions: knowledge of HCT (no, yes), perceived benefits for HIV testing (low, high), and perceived risk for HIV infection (low, high).
Science
The job description demanded "visionary and charismatic leadership", the ability to "command respect and loyalty", the confidence to take risks and – oh yes – "a knowledge and love of the work of Shakespeare and his contemporaries".
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "yes knowledge of" in formal writing. Instead, opt for clearer alternatives such as "understanding of", "awareness of", or "expertise in" to ensure grammatical correctness and clarity.
Common error
Using "yes knowledge of" often results in an incomplete thought. Always follow with a specific subject or context to make the knowledge reference clear. For instance, say "Yes, knowledge of programming is required" rather than just "Yes knowledge of."
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "yes knowledge of" is grammatically incorrect and doesn't function properly in a sentence. It lacks a clear grammatical role and requires restructuring to convey a coherent meaning. Ludwig AI confirms this issue.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "yes knowledge of" is grammatically incorrect and should be avoided in both formal and informal writing. As Ludwig AI confirms, this phrasing lacks clarity and does not effectively convey its intended meaning. Instead, opt for alternatives such as "understanding of", "awareness of", or "expertise in" to ensure your message is both clear and grammatically sound. Since there are no examples in Ludwig, it's best to avoid using this phrase altogether.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
affirmative knowledge of
Replaces "yes" with "affirmative", emphasizing confirmation of knowledge.
positive awareness of
Substitutes "knowledge" with "awareness" and "yes" with "positive", highlighting a confirmed state of being informed.
confirmation of understanding
Replaces "knowledge" with "understanding" and uses "confirmation" instead of "yes", focusing on a confirmed comprehension.
acknowledged expertise in
Focuses on recognized competence, shifting from simple knowledge to a higher level of proficiency.
verified comprehension of
Emphasizes that the understanding is checked and confirmed, adding a layer of certainty.
validated cognizance of
Replaces "knowledge" with "cognizance" and uses "validated" instead of "yes", highlighting recognized awareness.
established familiarity with
Focuses on long-term acquaintance with the subject, implying deep understanding over time.
proven acquaintance with
Changes to suggest that the familiarity or knowledge has been tested or demonstrated.
demonstrated insight into
Indicates a deeper level of understanding, going beyond surface-level knowledge.
clear recognition of
Replaces "knowledge" with "recognition" and uses "clear" instead of "yes", focusing on distinct awareness.
FAQs
How can I correctly express that someone possesses knowledge about something?
Instead of using "yes knowledge of", which is grammatically incorrect, use phrases like "has "knowledge of"", "is aware of", or "understands". For example, "He has knowledge of the subject matter".
What are some alternatives to "yes knowledge of" that sound more professional?
For a professional tone, use phrases such as "demonstrated expertise in", "proven understanding of", or "acknowledged competence in" instead of the incorrect "yes knowledge of".
Is "yes knowledge of" ever appropriate in formal writing?
No, "yes knowledge of" is not appropriate in formal writing. It's grammatically incorrect and lacks clarity. Use clearer and more grammatically sound alternatives like "an understanding of" or "awareness of".
What's the difference between saying "knowledge of" and "yes knowledge of"?
"Knowledge of" is a correct and commonly used phrase, indicating familiarity or understanding of a subject. "Yes knowledge of" is grammatically incorrect and doesn't convey a clear meaning. It should be avoided in favor of grammatically correct alternatives.
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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested