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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I now know that

Grammar usage guide and real-world examples

USAGE 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

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"I now know that will not be possible.

I now know that will never happen.

Science & Research

Science Magazine

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.

I now know that I am.

News & Media

The Guardian

I now know that death isn't out to get me".

News & Media

Independent

I now know that I was made the family scapegoat.

I now know that they're not all alike".

News & Media

The New York Times

I now know that this was still so in 1963.

News & Media

The Guardian

"I now know that American music is a total panorama.

I now know that "Fever" was the least of her.

I now know that I did not have a complete picture when I did so.

News & Media

The New York Times
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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: