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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I know him
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I know him" is correct and usable in written English.
You can use it when expressing familiarity or recognition of a person, typically in response to a question about someone. Example: "When asked if he was familiar with the new manager, John replied, 'I know him; we worked together at the last company.'"
✓ Grammatically correct
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
60 human-written examples
Do I know him?
News & Media
"I know him.
News & Media
Because I know him.
News & Media
"I know him well.
News & Media
'Oh, Straub, I know him.
News & Media
I know him from here".
News & Media
"I know him, like, perfectly.
News & Media
"Listen, I know him.
News & Media
Yes, I know him.
News & Media
So I know him.
News & Media
"I know him enough".
News & Media
Expert writing Tips
Best practice
Use "I know him" to establish a connection or provide context when someone's name is mentioned. It can quickly signal familiarity and potentially shared experiences.
Common error
Avoid using "I know him" if your acquaintance is superficial. Instead, clarify the extent of your relationship (e.g., "I've met him once" or "I know of him").
Source & Trust
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I know him" functions as a declarative statement expressing the speaker's familiarity or acquaintance with a male individual. Based on Ludwig AI, it is a grammatically correct and commonly used expression.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "I know him" is a grammatically sound and widely used expression for indicating familiarity with a male individual. As confirmed by Ludwig AI, its usage spans various contexts, primarily within news and media. While generally neutral in tone, more formal alternatives like "I am acquainted with him" exist for professional settings. When using "I know him", ensure your level of acquaintance matches the implied familiarity to avoid misleading your audience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I am familiar with him
Indicates a general awareness or knowledge of the person.
I am acquainted with him
Expresses a formal level of familiarity.
I've met him before
Implies a previous encounter, suggesting some level of acquaintance.
I recognize him
Focuses on visual recognition rather than deeper knowledge.
He's familiar to me
Shifts the focus to the person being familiar to you.
I'm acquainted with who he is
Slightly verbose but emphasizes knowledge of his identity.
I can place him
Indicates an ability to recall the person's identity or context.
I have knowledge of him
Formal way of saying you possess information about him.
I've crossed paths with him
Suggests a brief or casual encounter.
I am cognizant of him
Highly formal and emphasizes awareness.
FAQs
When is it appropriate to use the phrase "I know him"?
Use "I know him" when you want to quickly convey that you are familiar with a person being discussed. The depth of your knowledge will be implied by the context, but if it's minimal, it's better to clarify (e.g., "I've only met him briefly").
What's a more formal alternative to "I know him"?
For a more formal tone, you can use phrases like "I am acquainted with him" or "I am familiar with him". These options are suitable for professional or academic settings.
How does "I know him" differ from "I know of him"?
"I know him" implies a direct connection or acquaintance, whereas "I know of him" suggests you are aware of his existence or reputation but haven't necessarily met him personally.
Can I use "I know him" even if I don't know him well?
While grammatically correct, using "I know him" when your familiarity is limited might be misleading. It's better to qualify your statement with something like "I've met him before" or "I know him casually" to avoid misrepresenting the extent of your relationship.
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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
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested