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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
he has extensive knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he has extensive knowledge" is correct and usable in written English.
You can use it to describe someone who possesses a deep understanding or a wide range of information about a particular subject or field. Example: "As a historian, he has extensive knowledge of ancient civilizations, which greatly enriches his lectures."
✓ Grammatically correct
News & Media
Science
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
"He has extensive knowledge of our global food categories, our customers and our worldwide operations".
News & Media
Lawyers and lobbyists said he could easily earn five times that in the private sector because he has extensive knowledge of the Medicare program and can offer clients access to senior administration officials.
News & Media
He has extensive knowledge and expertise in secondary markets and financial retail operations.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
He had extensive knowledge and distinguished ability in his boyhood.
News & Media
Gale said this current round was about getting Sequoia on board — and Dixon, who has extensive knowledge in the health care industry, he said.
News & Media
Chana has extensive knowledge on the benefits of healthy working and applying this to the workplace.
News & Media
Paul has extensive knowledge about the world and the international economy.
News & Media
Rachel has worked in education for 25 years and has extensive knowledge of curriculum matters across the primary age range.
News & Media
From the home teams, JLT-Condor's Russell Downing has extensive knowledge of his local roads, and the cricketer Matt Prior's OnePRO squad field last year's 10th finisher Richard Handley.
News & Media
They say: "The VBIED described in this report is possible only if the VBIED constructor has extensive knowledge of explosives and the chemical applications of explosives.
News & Media
"So here are fundamentally good soldiers military-intelligence guysoldiers military-intelligencely," the former official, who has extensive knowledguys beingspecial-access programs, added.
News & Media
Expert writing Tips
Best practice
When describing someone's knowledge, be specific about the area or subject in which they possess "extensive knowledge" to provide context and clarity.
Common error
Avoid using "he has extensive knowledge" if you cannot provide examples or evidence to support the claim. Overstating someone's expertise can damage your credibility.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he has extensive knowledge" functions as a declarative statement expressing that an individual possesses a significant amount of information and understanding on a given subject. Ludwig AI confirms the phrase is grammatically correct and usable.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
3%
Academia
2%
Ludwig's WRAP-UP
In summary, the phrase "he has extensive knowledge" is a grammatically sound and frequently used expression to denote an individual's comprehensive understanding of a topic. As Ludwig AI indicates, it is appropriate for use in general writing. Its communicative purpose is to emphasize expertise. It is most prevalent in news and media, science, and formal business contexts. While semantically similar alternatives exist, such as "he possesses considerable knowledge" or "he is highly knowledgeable", this particular phrasing remains a clear and effective way to convey someone's depth of understanding.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
he possesses considerable knowledge
Replaces "extensive" with "considerable", indicating a notable amount of knowledge but perhaps slightly less than "extensive".
he has comprehensive knowledge
Uses "comprehensive" to emphasize the completeness and thoroughness of his knowledge.
he has a wealth of knowledge
Uses the metaphor "wealth" to emphasize the abundance of knowledge.
he has deep understanding
Shifts focus from the breadth of knowledge to the depth of understanding.
he is highly knowledgeable
Changes the structure to use the adjective "knowledgeable", emphasizing his quality of possessing knowledge.
he is well-versed in
Indicates thorough familiarity and competence in a specific area.
he is intimately familiar with
Suggests a very close and detailed understanding of a subject.
he has mastered
Implies a high level of skill and understanding acquired through learning and practice.
he is an expert in
Highlights his expertise and authority in a particular field.
he has vast experience in
Highlights the breadth of experience, implying practical knowledge gained over time.
FAQs
How can I use "he has extensive knowledge" in a sentence?
You can use "he has extensive knowledge" to describe someone's expertise in a specific field. For example, "As a historian, he has extensive knowledge of ancient civilizations."
What are some alternatives to saying "he has extensive knowledge"?
You can use alternatives like "he possesses considerable knowledge", "he has deep understanding", or "he is highly knowledgeable" depending on the context.
Is it better to say "he has extensive knowledge" or "he is very knowledgeable"?
Both phrases are correct, but "he has extensive knowledge" emphasizes the breadth and depth of understanding, while "he is very knowledgeable" focuses on the quality of being informed. Choose the phrase that best fits the specific context.
How does "he has extensive knowledge" differ from "he has experience"?
"He has extensive knowledge" refers to a deep understanding of a subject, whereas "he has experience" refers to practical skills and insights gained from doing something. One can have knowledge without experience, and vice versa.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested