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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 does does

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "he does does" is not correct in written English.
It appears to be a typographical error or a repetition that does not convey a clear meaning. Example: "He does does his homework every day."

⚠ May contain grammatical issues

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

"But what he does does not correspond to what he says".

News & Media

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

What he does do is less obvious.

News & Media

The New Yorker

He does do Heidi Klum's signature blond tresses.

News & Media

The New York Times

I'm just glad he does do it.

News & Media

The New Yorker

Yet he does do other things besides science.

Science & Research

Science Magazine

He does do creepy stalker very well.

News & Media

Huffington Post

If he does, don't get too excited.

He did do that".

News & Media

Independent

He did do more.

News & Media

The New Yorker

"He did, did he?

News & Media

The New Yorker

He did do the hard thing.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Avoid repeating auxiliary verbs like "does" consecutively. Instead, use adverbs to emphasize the action, such as "He really does care" or "He certainly does try".

Common error

Do not repeat "does" unnecessarily. Using "he does does" is grammatically incorrect. If you want to emphasize the action, use "he really does" or rephrase the sentence.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "he does does" is grammatically incorrect. Ludwig AI identifies it as a typographical error or a repetition without clear meaning. The correct usage involves using a single "does" or rephrasing to emphasize the action.

Expression frequency: Rare

Frequent in

News & Media

33%

Wiki

33%

Science

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "he does does" is grammatically incorrect and Ludwig AI confirms that it is rarely used in proper English. It is often a typo or a mistake. To emphasize that someone performs an action, use alternative phrases such as "he really does", "he certainly does", or simply rephrase the sentence for clarity. Avoid repeating auxiliary verbs to maintain grammatical correctness in both formal and informal writing.

FAQs

Why is "he does does" considered grammatically incorrect?

The repetition of the auxiliary verb "does" is redundant and doesn't follow standard English grammar rules. It's typically a mistake or a typo. Instead, use a single "does" or rephrase for emphasis.

What are some alternatives to emphasize that someone performs an action without using "he does does"?

You can use phrases like "he really does", "he certainly does", or "he actually does" to add emphasis without grammatical errors.

In what contexts might I mistakenly use "he does does"?

This error might occur in informal speech or rapid writing due to a slip of the tongue or a typographical error. Proofreading can help catch and correct such mistakes.

Is there any situation where repeating "does" is grammatically correct?

Repeating "do" can occur in questions like "He did, did he?", which is used for emphasis or to express surprise, but the structure and intent are different from a simple statement like "he does does".

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Source & Trust

85%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Most frequent sentences: