he demonstrate that

USAGE SUMMARY

The phrase "he demonstrate that" is not correct in written English.
It should be "he demonstrates that" to be grammatically accurate. Example: "In his research, he demonstrates that regular exercise improves mental health."

⚠ May contain grammatical issues

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

In 2003, the state Court of Criminal Appeals denied Mr. Skinner's request, arguing that he did not meet the standards for testing, citing, among other issues, the requirement that he demonstrate that he would not have been prosecuted based on the new DNA results.

The New York Times

Not only did he demonstrate that he really is listening to all of my Momisms, but he defended himself against an intimidating bully.

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

He demonstrated that mitochondrial decay is a major contributor to aging and age-related degenerative diseases.

Encyclopedia Britannica

In further studies he demonstrated that current flows through a conductor at the speed of light.

Encyclopedia Britannica

"You give us some ideas on how he can demonstrate that good faith," Raj suggested.

The New Yorker

He demonstrated that commerce could go both ways.

The New Yorker

Last night, he demonstrated that he has more weapons than just emotion on the mound.

The New York Times - Sports

He is a successful man and he demonstrates that here, in both good ways and bad.

The Guardian - Film

He demonstrates that Rumsfeld was an inveterate schemer, skilled at evading responsibility for his decisions.

The New York Times - Books

He demonstrates that in other ways too her radicalism went only so far.

The New York Times - Books

And he demonstrated that he knew voters were not inclined to love at first sight.

The New York Times

Expert writing Tips

Best practice

Always use the correct third-person singular form of the verb "demonstrate", which is "demonstrates", when referring to a singular subject like "he".

Common error

Avoid using the base form of the verb "demonstrate" with a singular subject like "he". The correct form is "demonstrates".

Linguistic Context

The phrase "he demonstrate that" is grammatically incorrect. The correct form is "he demonstrates that", where "demonstrates" is the third-person singular present tense of the verb. As pointed out by Ludwig, using "demonstrate" without the 's' is a grammatical error.

Expression frequency: Rare

Frequent in

News & Media

35%

Encyclopedias

33%

Science

32%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "he demonstrate that" is grammatically incorrect and should be "he demonstrates that". As Ludwig AI highlights, the use of the base form of the verb with a singular subject is a common error. While examples of the incorrect phrase exist in various sources, primarily news media, encyclopedias, and scientific articles, using the correct form is essential for clear and effective communication. Alternatives such as "he shows that" or "he proves that" can also be used depending on the context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he demonstrates that

Corrects the grammatical error by using the proper verb form for a third-person singular subject.

he shows that

Replaces "demonstrate" with a simpler synonym, making the phrase more accessible and less formal.

he proves that

Similar to "shows that" but implies a more conclusive and definitive demonstration.

he establishes that

Suggests a more formal and rigorous demonstration, often used in academic or legal contexts.

he confirms that

Indicates that something previously suspected or hypothesized is now shown to be true.

he validates that

He proves something is correct, accurate.

he illustrates that

Focuses on providing examples or evidence to support a point.

he substantiates that

Indicates strengthening a claim with evidence.

he ascertains that

It means he finds something out for certain.

he exemplifies that

Highlights that someone serves as a clear example of something. The focus is not so much on the proving, but on the acting as an exemplar.

FAQs

What is the correct way to say "he demonstrate that"?

The grammatically correct way to say it is "he demonstrates that". The verb must agree with the singular subject.

What can I say instead of "he demonstrate that"?

You can use alternatives like "he shows that", "he proves that", or "he establishes that" depending on the context.

Which is correct, "he demonstrate that" or "he demonstrates that"?

"He demonstrates that" is the correct form. The verb "demonstrate" must be conjugated to "demonstrates" to agree with the singular pronoun "he".

What's the difference between "he demonstrates that" and "he showed that"?

"He demonstrates that" implies a present or ongoing action, while "he showed that" implies a completed action in the past. Choose the tense that matches the context of your sentence.