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
does he know about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "does he know about" is correct and usable in written English.
You can use it when inquiring whether someone has knowledge or awareness of a particular subject or situation. Example: "I wonder if he knows about the changes in the schedule."
✓ Grammatically correct
News & Media
Alternative expressions(6)
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
46 human-written examples
But little does he know about said new feature and gets caught "on tape".
News & Media
And what does he know about them?
News & Media
And how does he know about topnotes?
News & Media
Does he know about her book?
News & Media
OP How does he know about it?
News & Media
Does he know about phone hacking?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
11 human-written examples
Did he know about this?
News & Media
What did he know about couture?
News & Media
Did he know about Nikolai Gamov?
News & Media
Nor did he know about $252 million contracts.
News & Media
What did he know about you?
News & Media
Expert writing Tips
Best practice
When using the phrase "does he know about", ensure the context clearly indicates what specific information or topic the person should be aware of. Providing context avoids ambiguity.
Common error
Avoid assuming someone's knowledge based on their role or position. Always verify their understanding directly, as assumptions can lead to miscommunication.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "does he know about" functions as an interrogative clause, used to inquire whether a male individual possesses knowledge or awareness regarding a specific subject or situation. Ludwig confirms the grammatical correctness of the phrase.
Frequent in
News & Media
64%
Science
12%
Formal & Business
8%
Less common in
Reference
4%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
The phrase "does he know about" is a grammatically correct and frequently used interrogative for inquiring whether someone has knowledge of a particular subject. As validated by Ludwig, it's versatile for various contexts, from informal conversations to professional settings. Related phrases like "is he aware of" or "is he familiar with" can add nuance depending on the specific context. Remember to clearly define what the person should know to avoid ambiguity and assumptions. Being mindful of the scope of knowledge ensures clear communication and avoids potential misunderstandings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
does he have knowledge of
Rephrases the question using "knowledge".
is he aware of
Focuses on awareness rather than specific knowledge.
is he informed about
Emphasizes the state of being informed.
is he familiar with
Indicates a level of expertise or experience.
has he been told about
Highlights the act of someone conveying information.
has he learned about
Stresses the process of acquiring information.
is he acquainted with
Suggests a degree of familiarity.
is he cognizant of
Implies a formal understanding.
is he privy to
Suggests access to confidential information.
does he understand
Focuses on comprehension of a topic.
FAQs
How can I rephrase "does he know about" to sound more formal?
For a more formal tone, use phrases like "is he aware of", "is he informed about", or "is he cognizant of". These alternatives, such as "is he aware of", often suit professional or academic contexts better.
What's the difference between "does he know about" and "is he familiar with"?
"Does he know about" generally asks if someone has any knowledge of a topic. "Is he familiar with", like "is he familiar with", implies a deeper understanding or experience with the subject.
Is it correct to use "does he know of" instead of "does he know about"?
While "does he know of" is grammatically correct, it typically refers to knowing of the existence of something, whereas "does he know about" implies knowledge of details or information regarding that thing. The phrase "does he know of" focuses on existence.
When is it appropriate to use "has he been told about" instead of "does he know about"?
"Has he been told about", as in "has he been told about", is best used when you want to emphasize whether someone has received information from another person. It highlights the act of communication, while "does he know about" simply inquires about their current state of knowledge.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested