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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
I now know that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I now know that" is correct and usable in written English.
You can use it when expressing a realization or understanding that has recently occurred. Example: "After reviewing the evidence, I now know that the theory was indeed correct."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
I recognize that
I now believe that
I have heard that
I have explained that
I now appreciate that
I understand now that
I now realise that
I now see that
Experience has taught me that
I have gleaned that
I see now that
I now comprehend that
I now realize that
I have demonstrated that
I now understood that
I have acknowledged that
I've discovered that
I now discover that
I have known that
I now accept 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 now know that will not be possible.
News & Media
I now know that will never happen.
Science & Research
I would recommend any person to take such a decision (test for HIV)… knowing my status has helped me, I now know that I need to start treatment.
Science
I now know that I am.
News & Media
I now know that death isn't out to get me".
News & Media
I now know that I was made the family scapegoat.
News & Media
I now know that they're not all alike".
News & Media
I now know that this was still so in 1963.
News & Media
"I now know that American music is a total panorama.
News & Media
I now know that "Fever" was the least of her.
News & Media
I now know that I did not have a complete picture when I did so.
News & Media
Expert writing Tips
Best practice
Use "I now know that" to express a shift in understanding or a newly acquired piece of knowledge. This phrase clearly indicates a change in perspective.
Common error
Avoid using "I now know that" when referring to something you have consistently known. It's specifically for realizations or newly acquired information, not pre-existing knowledge.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I now know that" functions as a sentence introducer or a clause opener. It signals a change in understanding or awareness. As confirmed by Ludwig, it is suitable for expressing a realization or recently acquired knowledge. For example, the phrase prefaces an explanation or conclusion that the speaker has recently arrived at.
Frequent in
News & Media
48%
Science
20%
Formal & Business
10%
Less common in
Social Media
8%
Wiki
7%
Encyclopedias
7%
Ludwig's WRAP-UP
In summary, the phrase "I now know that" is a common and grammatically correct way to express a realization or newfound understanding. According to Ludwig, it is frequently used across various contexts, from news and media to scientific publications. The phrase is versatile, fitting both formal and informal communication styles. When using this phrase, ensure that it introduces something newly understood, rather than a pre-existing fact. Consider alternatives like "I understand now that" or "I've come to realize that" for subtle shifts in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I now realize that
Similar to the original, but with 'realize' instead of 'know'.
I see now that
Emphasizes understanding as a form of visual clarity.
I understand now that
Direct statement of current understanding.
I recognize now that
Highlights acknowledgement of a previously unrecognized truth.
I've come to realize that
Emphasis on a gradual process of understanding.
I now comprehend that
More formal and emphasizes full understanding.
I've learned that
Focuses on the acquisition of knowledge through experience.
I've discovered that
Implies finding something out, often unexpectedly.
I now acknowledge that
Highlights accepting something, often reluctantly.
It has become clear to me that
More formal and emphasizes clarity.
FAQs
How can I use "I now know that" in a sentence?
Use "I now know that" to introduce a new understanding or realization. For example, "I now know that I need to start treatment" or "I now know that worrying about it isn't going to change anything".
What are some alternatives to "I now know that"?
You can use alternatives like "I understand now that", "I realize now that", or "I've come to realize that" depending on the specific nuance you want to convey.
Is it correct to say "I knew that" instead of "I now know that"?
The phrases have different meanings. "I knew that" refers to something you understood in the past, while "I now know that" indicates a recent realization or understanding.
What's the difference between "I now know that" and "I now understand that"?
While similar, "I now know that" often implies learning a specific fact or piece of information, whereas "I now understand that" suggests a deeper comprehension of a concept or situation.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested