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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
you know that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'you know that' is correct and usable in written English.
You can use it to emphasize a point when you are sure that your reader or listener is familiar with the information you are discussing. For example: You know that smoking is bad for your health; so why don't you quit?.
✓ Grammatically correct
News & Media
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
You know that movie.
News & Media
You know that age.
News & Media
"Only you know that".
News & Media
"You know that".
News & Media
Do you know that?
News & Media
Don't you know that?
News & Media
You know that ball?
News & Media
"You know that feeling?
News & Media
But you know that".
News & Media
Do you know that one?
News & Media
Do you know that club?
News & Media
Expert writing Tips
Best practice
Use "you know that" to subtly emphasize a point that should already be understood by the audience, creating a sense of shared knowledge and agreement.
Common error
Avoid using "you know that" excessively, as it can come across as condescending or patronizing. Ensure the information is genuinely something the audience is likely to know.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "you know that" functions as a discourse marker, often used to signal shared knowledge or to seek agreement from the listener. As confirmed by Ludwig AI, it is grammatically correct and usable in written English.
Frequent in
News & Media
60%
Wiki
15%
Science
10%
Less common in
Formal & Business
5%
Reference
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, "you know that" is a versatile phrase used to emphasize shared knowledge and seek agreement. Ludwig AI confirms its grammatical correctness and usability. While common in news and media, it's crucial to avoid overuse to prevent sounding condescending. Alternatives like "are you aware that" and "I'm sure you know that" offer nuanced ways to convey similar meanings. Be mindful of your audience and context to ensure effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
i'm sure you know that
Expresses the speaker's confidence in the listener's awareness.
are you aware that
Focuses on confirming the listener's knowledge of a fact.
did you realize that
Highlights a potential discovery or new understanding.
you must be aware that
Emphasizes the importance of the listener's knowledge.
it's common knowledge that
Indicates a widely accepted fact or belief.
surely you're aware that
Implies a level of expectation that the listener possesses certain knowledge.
i trust you're aware that
Indicates a reliance on the listener's existing knowledge.
as you are aware
Formally reminds the listener of a known fact.
it stands to reason that you know
Suggests a logical deduction leading to the listener's understanding.
it's understood that you know
Implies a tacit agreement or shared understanding.
FAQs
How can I use "you know that" in a sentence?
Use "you know that" to refer to something the listener is already expected to be aware of. For instance, "You know that exercise is important, so try to make time for it each day."
What are some alternatives to "you know that"?
Alternatives include phrases like "are you aware that", "I'm sure you know that", or "as you are aware", which can be used depending on the context.
When is it appropriate to use "you know that"?
It's appropriate when reminding someone of something they should already know, or when emphasizing a point that is generally understood. Be mindful of tone to avoid sounding condescending.
How can I avoid misusing "you know that"?
Avoid using "you know that" if you are unsure whether the person is actually familiar with the information or if the information is not widely known. Otherwise, it might come off as patronizing.
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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
4.5/5
Expert rating
Real-world application tested