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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
that you know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that you know" is correct and usable in written English.
It can be used to refer to information or knowledge that the listener is already aware of or familiar with. Example: "I appreciate your input on the project, but I want to remind you of the deadlines that you know."
✓ Grammatically correct
News & Media
Science
Wiki
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
"What's that?" "You know.
News & Media
It was done before that, you know.
News & Media
And she loved that, you know.
News & Media
You can't replace that, you know?
News & Media
I could see that, you know?
News & Media
And that's that, you know?" No.
News & Media
It's not like that, you know.
News & Media
After that, you know, I prepare myself.
News & Media
But I'm lucky like that, you know?
News & Media
"We were briefed on that, you know.
News & Media
She makes them do that, you know.
News & Media
Expert writing Tips
Best practice
Use "that you know" to gently remind your reader of a fact or context they should already be aware of, fostering a sense of shared understanding.
Common error
Avoid overuse of "that you know" in a single piece of writing, as it can become repetitive and irritating to the reader. Strive for a natural and varied writing style.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that you know" functions as a discourse marker or a tag question. It serves to emphasize shared knowledge between the speaker and the listener, inviting agreement or confirmation. Ludwig confirms its correct usage.
Frequent in
News & Media
43%
Science
31%
Wiki
12%
Less common in
Formal & Business
5%
Academia
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that you know" is a versatile discourse marker used to emphasize shared knowledge or seek confirmation. Ludwig AI validates that it is grammatically correct and commonly used across various contexts, from news and media to scientific publications. While it can enhance understanding, it's essential to avoid overuse. Alternatives such as "as you are aware" or "you're already familiar with" can help prevent repetition. The most authoritative sources using this phrase include The New York Times, The Guardian and BBC.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as you're aware
This alternative is a more formal way to indicate that the listener already possesses the information.
as you are aware
This is a slightly more emphatic version of 'as you're aware'.
as you're conscious
Changes from 'know' to 'conscious' suggesting awareness or cognizance of something.
as you're informed
This alternative highlights that the listener has been given the information.
as you know well
Adds emphasis to the listener's familiarity with the information.
you're already familiar with
Directly states that the listener has prior knowledge of the subject.
you've been told
Focuses on the act of informing the listener.
it's already known to you
This option presents the information as something already established in the listener's mind.
i believe you know
This alternative is a polite phrase to introduce something that is probably already known.
it is known to you
A more formal way to say that the listener is already aware.
FAQs
How can I use "that you know" in a sentence?
You can use "that you know" to refer to information or knowledge that the listener is already aware of or familiar with. For example: "I appreciate your input on the project, but I want to remind you of the deadlines "that you know"."
What are some alternatives to "that you know"?
You can use alternatives like "as you are aware", "as you know well", or "you're already familiar with" depending on the context.
Which is correct, "that you know" or "that you knew"?
"That you know" implies present knowledge, while "that you knew" implies past knowledge. Choose the one that fits the temporal context of your sentence.
What is the difference between "that you know" and "that you should know"?
"That you know" indicates something the listener is already aware of. "That you should know" suggests something the listener ought to be aware of, possibly implying they are not currently informed.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested