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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
have learned that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have learned that" is correct and usable in written English.
You can use it when discussing knowledge or insights gained from experience or information. Example: "After years of research, I have learned that consistent practice leads to improvement."
✓ Grammatically correct
News & Media
Academia
Formal & Business
Alternative expressions(13)
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
Juries have learned that lesson well.
News & Media
Now we have learned that is not the case".
News & Media
We have learned That compassion fatigue is a myth.
Formal & Business
It is to review what you have learned that day.
Wiki
The Germans have learned that.
News & Media
You have to have learned that somewhere".
News & Media
"You'd think I would have learned that".
News & Media
Apparently entrepreneurs have learned that fact, too.
News & Media
And Republicans have learned that too".
News & Media
People have learned that walking works.
News & Media
I have learned that being an adult is actually hard".
News & Media
Expert writing Tips
Best practice
Use "have learned that" to introduce a statement of newfound knowledge or understanding gained through experience or study. For example: "I have learned that consistent effort leads to success."
Common error
While acceptable, "have learned that" can sound less formal in academic or scientific writing. Consider stronger alternatives like "research indicates that" or "studies suggest that" for a more authoritative tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have learned that" functions as a declarative statement, introducing a piece of information or understanding that the speaker has acquired. As Ludwig AI confirms, it's a standard and usable construction. Examples from Ludwig show it across many contexts.
Frequent in
News & Media
55%
Academia
25%
Formal & Business
10%
Less common in
Wiki
5%
Science
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "have learned that" is a grammatically correct and very common way to express the acquisition of knowledge or understanding. As Ludwig confirms, it functions as a declarative statement and is used across various contexts, from news and media to academia and business. While versatile, remember that stronger alternatives may be more appropriate for formal writing. By considering these guidelines, you can effectively use the phrase "have learned that" in your own writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have come to realize that
Emphasizes a gradual understanding or awareness of something.
have discovered that
Highlights the finding of new information or an unexpected truth.
have understood that
Focuses on the comprehension of a concept or idea.
have found out that
Suggests obtaining information through investigation or inquiry.
now know that
Indicates a current state of knowledge resulting from a past learning experience.
have become aware that
Highlights the development of consciousness or recognition of something.
have ascertained that
Implies a formal or official confirmation of a fact.
have grasped that
Emphasizes a firm understanding or comprehension.
have been taught that
Focuses on the instruction or guidance received from others.
have observed that
Highlights learning through direct observation and experience.
FAQs
How can I use "have learned that" in a sentence?
You can use "have learned that" to introduce something you now know or understand as a result of experience or study. For example: "I have learned that patience is key to mastering a new skill."
What are some alternatives to "have learned that"?
Alternatives include "have discovered that", "have understood that", or "have come to realize that" depending on the context.
Is it correct to say "I have learn that" instead of "I have learned that"?
No, "I have learn that" is grammatically incorrect. The correct phrasing is "I have learned that," using the past participle form of the verb "to learn."
What's the difference between "have learned that" and "knew that"?
"Have learned that" indicates a recent acquisition of knowledge, while "knew that" implies knowledge possessed for some time. For example, "I have learned that exercise is beneficial" suggests recent discovery, whereas "I knew that exercise was beneficial" implies prior awareness.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested