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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
i know that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I know that" is a valid phrase that you can use in written English.
For example: "I know that I need to finish writing this report by tomorrow."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
i am familiar with that
i am aware that
i recognized that
i am certain that
i appreciated that
i ascertain that
I am aware of the fact that
i known that
i am conscious that
I am well aware that
i have no doubt that
I know that
I have known that
i wondered that
i became aware that
i noticed that
I am conscious that
i understand that
I do know that
it is my understanding that
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
I know that feeling.
News & Media
"I know that look.
News & Media
"I know that place.
News & Media
Even I know that".
News & Media
How do I know that?
News & Media
"I know that pretty well.
News & Media
"I know that sounds cheesy.
News & Media
"I know that sounds weird.
News & Media
I know that "veil" is.
News & Media
"I know that sounds pretentious.
News & Media
I know that very well.
News & Media
Expert writing Tips
Best practice
Use "i know that" to express understanding or acknowledgement of a previously stated or implied fact. It's versatile and suitable for various contexts.
Common error
Avoid using "i know that" excessively in your writing. Overuse can make your writing sound repetitive or condescending. Consider using synonyms or rephrasing sentences for variety.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "i know that" is to introduce a clause expressing the speaker's understanding, awareness, or acknowledgement of a fact or situation. Ludwig AI confirms its validity.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "i know that" is a versatile and commonly used phrase to express understanding or acknowledgment. Ludwig AI confirms its validity and widespread usage across various contexts. While it is grammatically correct, be mindful of overuse and consider using synonyms for variety. It is most frequently found in News & Media sources, but it can be present also in science or formal & business context. Overall, it's a useful phrase to incorporate into your writing but remember to maintain variety and readability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
i am aware that
Indicates a more formal acknowledgement of something.
i am conscious that
Emphasizes being particularly mindful or cognizant.
i understand that
Highlights comprehension of a situation or fact.
it is my understanding that
Presents the knowledge as an understanding, possibly open to correction.
i realize that
Suggests a recent or gradual understanding.
i acknowledge that
Implies accepting something, possibly reluctantly.
i recognize that
Highlights the act of identifying or noticing something.
i am certain that
Indicates strong confidence in the knowledge.
i have no doubt that
Emphasizes a lack of uncertainty about something.
i'm well aware that
Suggests a comprehensive and thorough understanding.
FAQs
How can I use "i know that" in a sentence?
You can use "i know that" to acknowledge a fact or understanding. For example, "I know that I need to finish this project by Friday."
What can I say instead of "i know that"?
You can use alternatives like "i am aware that", "i understand that", or "i realize that depending on the context.
Is it correct to say "i know that"?
Yes, "i know that" is a grammatically correct and commonly used phrase to express understanding or acknowledgement of a fact.
What's the difference between "i know that" and "i knew that"?
"I know that" implies current knowledge, while "i knew that" refers to knowledge possessed in the past. For example, "I know that the meeting is tomorrow" versus "I knew that the meeting was yesterday".
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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
4.6/5
Expert rating
Real-world application tested