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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 we know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that we know" is grammatically correct and can be used in written English.
It is typically used to add additional information to a statement or to clarify a point. Here is an example: "The company's financial status is stable, thanks to the successful implementation of cost-cutting measures. However, there are still some unknown factors that we know will need to be addressed in the coming months."
✓ 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
"After that we know nothing.
News & Media
He gets everything that we know.
News & Media
After that, we know how to play".
News & Media
At least that we know of.
News & Media
But beyond that we know nothing.
News & Media
Now That We Know That They Knew.
News & Media
At least that we know about?
News & Media
That we know of.
News & Media
That we know.
News & Media
Not that we know of.
News & Media
It's something that we know.
News & Media
Expert writing Tips
Best practice
Use "that we know" to specify the boundaries of your knowledge or understanding about a particular subject. This adds precision and transparency to your statements.
Common error
Avoid using "that we know" excessively, especially when it doesn't add significant meaning or clarification. Overuse can make your writing sound hesitant or uncertain. Rephrase to be more concise if possible.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that we know" functions as a qualifier, limiting the scope of a statement to the speaker's current awareness or understanding. It adds a layer of precision and acknowledges potential gaps in knowledge. As Ludwig AI confirms, it is grammatically correct.
Frequent in
News & Media
55%
Science
25%
Formal & Business
10%
Less common in
Wiki
5%
Academia
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "that we know" is a grammatically sound and frequently used qualifier that introduces precision by setting the boundaries of one's knowledge. Ludwig AI analysis and the examples underscore that while versatile across various registers, the most common usage is found in news and media contexts. Related alternatives such as "to the best of our knowledge" and "as far as we can tell" offer subtle variations in meaning, allowing for more nuanced expression. While the phrase is common, overuse could reduce clarity; writers must, therefore, strive for concision.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to the best of our knowledge
Emphasizes the limit of the speaker's knowledge; implies information is accurate as far as is known.
as far as we can tell
Highlights the act of assessing available information; less about knowing, more about interpreting.
what we have been able to ascertain
Stresses the effort involved in discovering information; suggests a degree of investigation.
according to our current understanding
Focuses on the present state of comprehension, suggesting knowledge may evolve.
from what we understand
Similar to 'according to our understanding', but with a slightly less formal tone.
based on the information available to us
Highlights the dependency on the available information, implies potential incompleteness.
as things stand
Indicates a snapshot of current knowledge and circumstances, may be temporary.
for all we know
Emphasizes the possibility of unknown factors; often used to express uncertainty or speculation.
so far as we can determine
Highlights the act of making a conclusive judgement based on limited available facts.
up to this point
Highlights knowledge is limited to the present, implying understanding might evolve or be proven wrong.
FAQs
How can I use "that we know" in a sentence?
You can use "that we know" to limit the scope of your statement to the information currently available, for example, "There are three confirmed cases, "that we know"".
What phrases are similar to "that we know"?
Alternatives include "to the best of our knowledge", "as far as we can tell", or "according to our current understanding depending on the specific nuance you want to convey.
Is it correct to say "that we know of" instead of "that we know"?
"That we know of" is also correct, and adds an emphasis on the possibility that there may be other instances that are unknown. The choice depends on the specific context and intended meaning. Both are grammatically valid.
What is the difference between "what we know" and "that we know"?
"What we know" refers to the totality of known information, whereas ""that we know"" typically specifies a particular piece of information within a broader context, emphasizing the limits of current understanding.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested