he knows that

USAGE SUMMARY

"he knows that" is a perfectly correct and usable part of a sentence in written English.
You can use it when you want to emphasize that someone is aware of a fact or situation. For example: "He knows that his actions have consequences, so he is careful about what he does."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

51 human-written examples

"He knows that football lasts so long.

The New York Times - Sports

He knows that clothes also speak.

The New York Times - Books

But he knows that can't last.

The New Yorker

"He knows that organization," he said.

The New York Times - Tech

"He knows that offense to a science.

The New York Times - Sports

"He knows that was wrong.

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

9 human-written examples

He knew that's impossible".

The New York Times

Did he know that?

The Guardian - Books

He knew that was a mistake".

The New York Times

He knew that perfectly well, of course.

The Economist

And how did he know that?

The New York Times - Health

Expert writing Tips

Best practice

Vary your sentence structure by occasionally replacing "he knows that" with synonyms like "he is aware that" or "he understands that" to avoid repetition.

Common error

Avoid using "he knows that" excessively in your writing. Over-reliance can make your prose sound repetitive. Instead, consider using stronger verbs or more concise phrasing to convey the same information.

Linguistic Context

The phrase "he knows that" functions as a clause connector, introducing a subordinate clause that expresses the content of someone's knowledge or awareness. As Ludwig shows, it's a common way to state a fact that someone is aware of.

Expression frequency: Common

Frequent in

News & Media

80%

Science

10%

Formal & Business

10%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "he knows that" is a grammatically correct and commonly used construction to indicate someone's awareness of a fact or situation. Ludwig AI confirms its grammatical validity and widespread use. While generally neutral in tone, more formal alternatives may be appropriate in academic or professional settings. Common errors include overuse, which can be addressed by varying sentence structure and using synonyms. Ludwig's examples demonstrate its application across diverse contexts, primarily in News & Media sources. Consider using synonyms like "he is aware that" to vary sentence structure.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he is aware that

This alternative replaces "knows" with "is aware", maintaining the same meaning but with a slightly more formal tone.

he is conscious that

This option suggests a higher level of awareness, implying a deliberate understanding of the information.

he understands that

This alternative emphasizes comprehension rather than just awareness.

he realizes that

This phrase implies a moment of understanding or sudden awareness.

he is cognizant of the fact that

Using "cognizant" adds a layer of formality and emphasizes detailed knowledge.

it is his understanding that

Shifts the focus to his personal interpretation or understanding.

he has knowledge that

Highlights possession of the information, rather than the act of knowing.

he is informed that

Suggests the knowledge was received from an external source.

he is certain that

Emphasizes confidence in the knowledge, rather than just possession of it.

he has ascertained that

This indicates that he has definitely found something to be true.

FAQs

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

Use "he knows that" to indicate someone's awareness of a specific fact or situation. For example, "He knows that the meeting is tomorrow".

What are some alternatives to "he knows that"?

You can use alternatives like "he is aware that", "he understands that", or "he realizes that" depending on the context.

Is it correct to say "he knows that"?

Yes, "he knows that" is grammatically correct and commonly used in English writing and speech. Ludwig AI confirms its validity.

How formal is the phrase "he knows that"?

The phrase "he knows that" is generally considered neutral in formality. It can be used in both formal and informal contexts, although more formal alternatives like "he is cognizant of the fact that" may be preferred in highly formal settings.