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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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has extensive knowledge of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "has extensive knowledge of" is correct and usable in written English.
You can use it when describing someone's deep understanding or expertise in a particular subject or field. Example: "She has extensive knowledge of environmental science, which makes her an invaluable asset to our research team."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

"He has extensive knowledge of our global food categories, our customers and our worldwide operations".

News & Media

The New York Times

He has extensive knowledge of the current legal situation in Jerusalem.

Rachel has worked in education for 25 years and has extensive knowledge of curriculum matters across the primary age range.

News & Media

The Guardian

She has "extensive knowledge of, and deep relationships with, the Chinese financial and corporate sectors," according to the internal memorandum.

News & Media

The New York Times

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

The Guardian

"So here are fundamentally good soldiers military-intelligence guysoldiers military-intelligencely," the former official, who has extensive knowledguys beingspecial-access programs, added.

News & Media

The New Yorker
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Human-verified similar examples from authoritative sources

Similar Expressions

32 human-written examples

Collectively, those people could have had extensive knowledge of Iraq's unconventional weapons programs.

News & Media

The New York Times

First, commercial speakers have extensive knowledge of both the market and their products.

Thus, music therapists have extensive knowledge of psychology, medicine and music.

Both have extensive knowledge of the history and culture of New York City; neither had any experience with video games.

News & Media

The New Yorker

It is clear now that British security had extensive knowledge of the CIA's programme of torture.

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Expert writing Tips

Best practice

Combine "has extensive knowledge of" with specific examples of how the person applies that knowledge to showcase their expertise.

Common error

Avoid using "has extensive knowledge of" too frequently in formal or academic writing. Opt for more concise and impactful phrases like "possesses expertise in" or "demonstrates a thorough understanding of" for variety and sophistication.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has extensive knowledge of" functions as a descriptor of expertise. Ludwig AI confirms it is correct and usable. It indicates a person's deep and comprehensive understanding of a particular subject or field.

Expression frequency: Common

Frequent in

News & Media

36%

Academia

32%

Science

20%

Less common in

Formal & Business

8%

Encyclopedias

4%

Ludwig's WRAP-UP

The phrase "has extensive knowledge of" is a common and grammatically sound way to describe someone's deep understanding of a subject. As Ludwig AI indicates, the phrase is correct and appropriate for use in various contexts. While "has extensive knowledge of" is widely accepted, consider alternatives like "possesses comprehensive understanding of" or "demonstrates in-depth expertise in" to add variety to your writing. Be mindful of overuse in formal writing and tailor your choice of words to suit the specific context and audience. Overall, "has extensive knowledge of" is a valuable phrase for conveying expertise and credibility.

FAQs

What are some alternatives to "has extensive knowledge of"?

You can use alternatives like "possesses comprehensive understanding of", "is well-versed in", or "demonstrates in-depth expertise in" depending on the context.

How can I use "has extensive knowledge of" in a sentence?

You can use the phrase to describe someone's deep understanding of a subject. For example, "She has extensive knowledge of marine biology."

What's the difference between "has extensive knowledge of" and "has basic knowledge of"?

"Has extensive knowledge of" indicates a deep and comprehensive understanding, while "has basic knowledge of" suggests only a superficial familiarity with the subject.

Is it correct to say "have extensive knowledge of" instead of "has extensive knowledge of"?

Yes, but use "have" with plural subjects (e.g., "They have extensive knowledge of the subject") and "has" with singular subjects (e.g., "He has extensive knowledge of the subject").

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: