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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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he realizes that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'he realizes that' is correct and usable in written English.
It can be used when referring to a person noticing, understanding, or coming to terms with something. For example: He realizes that his actions have consequences, and he is working hard to make amends.

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

I think he realizes that now, too".

News & Media

The New York Times

It's no secret — he realizes that".

He realizes that each vector bears a unique function.

Suddenly he realizes that death is the cessation of life.

News & Media

The New Yorker

I don't think he realizes that people's lives completely changed.

News & Media

The New York Times

"I think he realizes that nothing is guaranteed," Johnson said.

Now, though, he realizes that may not happen.

News & Media

The New York Times

He realizes that his attitude has decreased his trade value.

He realizes that athletic careers are short-lived.

News & Media

The New York Times

He realizes that "the new gig" may be short-lived.

News & Media

The New York Times

It takes pressure off of us, takes pressure off of the organization, and he realizes that".

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Expert writing Tips

Best practice

Use "he realizes that" to clearly indicate a shift in understanding or awareness by a male subject. This is particularly useful when narrating a story or explaining a process where a character's perspective changes.

Common error

Avoid using "he realizes that" when "he knows that" would suffice. "Realize" implies a new understanding, not just possessing information.

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 "he realizes that" functions as a clause introducer, signaling the beginning of a subordinate clause that expresses a realization or understanding on the part of the subject 'he'. As Ludwig AI confirms, this phrase is perfectly acceptable for use.

Expression frequency: Very common

Frequent in

News & Media

65%

Academia

20%

Wiki

10%

Less common in

Formal & Business

2%

Science

2%

Encyclopedias

1%

Ludwig's WRAP-UP

In summary, "he realizes that" is a grammatically sound and very common phrase used to indicate a shift in a male subject's understanding or awareness. As Ludwig AI confirms, it's perfectly acceptable. Predominantly found in "news & media", "academia", and "wiki" contexts, the phrase functions as a clause introducer and serves to convey new insights or conclusions. While alternatives like "he understands that" or "he acknowledges that" exist, they carry slightly different connotations. When using "he realizes that", it's important to ensure that it accurately reflects a new understanding rather than pre-existing knowledge, distinguishing it from simply "knowing". The phrase is versatile and suitable for various writing styles, maintaining a neutral tone across different contexts.

FAQs

How can I use "he realizes that" in a sentence?

"He realizes that" introduces a clause where the subject understands something previously unknown. For example, "He walked in the door, and "he realizes that" he forgot to lock it".

What's a more formal alternative to "he realizes that"?

A more formal alternative would be "he acknowledges that" or "he recognizes that", which are suitable for professional or academic writing.

When is it appropriate to use "he realizes that" instead of "he knows that"?

"He realizes that" suggests a moment of understanding or a change in perspective, while "he knows that" implies existing knowledge. Use "he realizes that" when the understanding is new or recently acquired.

What can I say instead of "he realizes that" to emphasize the suddenness of the understanding?

You could use phrases like "it dawns on him that" or "he suddenly understands that" to convey a more immediate and impactful realization.

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Real-world application tested

Most frequent sentences: