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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has known
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'has known' is correct and usable in written English.
It can be used when referring to something that someone has been aware of for some time. For example, "He has known his neighbor for over five years."
✓ 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
59 human-written examples
He has known all along.
News & Media
Rusalka has known true love.
News & Media
Cyprus has known its share of adversity.
News & Media
He has known about them for years.
News & Media
The recession has known no international borders.
News & Media
She has known these boys for years".
News & Media
Tanning has known four French presidents.
News & Media
He has known this ever since "Rushmore".
News & Media
He has known better days.
News & Media
And he has known that.
News & Media
For he has known genius.
News & Media
Expert writing Tips
Best practice
Vary your vocabulary to prevent repetition. While "has known" is correct, consider alternatives like "is familiar with" or "has been aware of" to add nuance and maintain reader engagement.
Common error
Avoid using "has known" when referring to a completed action in the past that has no relevance to the present. For example, instead of "He has known the answer yesterday", use "He knew the answer yesterday".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has known" functions as a present perfect verb phrase. It indicates an action (knowing) that started in the past and continues to have relevance in the present. Ludwig AI confirms its correct usage, as shown in the provided examples.
Frequent in
News & Media
43%
Science
27%
Formal & Business
10%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "has known" is a versatile and grammatically sound present perfect verb phrase, as validated by Ludwig AI. Its primary function is to indicate a state of knowledge or familiarity that began in the past and continues to the present. With a neutral register, it fits various contexts, including formal and informal settings. While "has known" appears most frequently in "News & Media", it also finds common usage in "Science". Remember to avoid misusing it with completed past actions, and consider alternatives like "is familiar with" for varied writing. By paying attention to these guidelines, you can effectively incorporate "has known" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has been familiar with
This alternative highlights the idea of being acquainted or conversant with something.
has been aware of
This alternative emphasizes awareness over familiarity.
is acquainted with
Implies a formal or less intimate familiarity.
has been through
Emphasizes having undergone a particular experience.
has experienced
This focuses on direct experience rather than just knowledge.
has knowledge of
This alternative places emphasis on the understanding and information.
has encountered
Suggests a chance meeting or facing something.
has recognized
Focuses on the act of identifying or acknowledging something.
has understood
Implies a deeper comprehension of a subject or situation.
has witnessed
Highlights the act of seeing something happen.
FAQs
How do I use "has known" correctly in a sentence?
Use "has known" to describe a state of knowing or familiarity that started in the past and continues to the present. For instance, "She "has known" him for many years".
What are some alternatives to the phrase "has known"?
Depending on the context, you could use alternatives such as "is familiar with", "has been aware of", or "has experienced".
Is "has known" formal or informal?
"Has known" is generally considered neutral and can be used in both formal and informal contexts. The formality depends more on the surrounding vocabulary and sentence structure.
What's the difference between "has known" and "knew"?
"Has known" implies the knowing continues to the present, while "knew" refers to a state of knowing that existed only in the past and may or may not continue. For example, "She "has known" him for years" versus "She knew him in college".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested