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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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he certainly is

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "he certainly is" is correct and usable in written English.
It can be used to affirmatively respond to a statement about someone, indicating agreement or confirmation of a positive quality or characteristic. Example: "When it comes to his dedication to the project, he certainly is a hard worker."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He certainly is out there.

News & Media

The New Yorker

He certainly is a comedian.

News & Media

Independent

He certainly is, Craig.

"He certainly is competent.

News & Media

The New York Times

He certainly is not.

News & Media

The Guardian

He certainly is clever.

News & Media

The New York Times

He certainly is in mine.

News & Media

The New Yorker

He certainly is for me.

News & Media

The Guardian

He certainly is making money.

News & Media

The New York Times

But he certainly is a difference-maker.

News & Media

The New York Times

He certainly is, and he is determined to stay there.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using "he certainly is", ensure the context provides a clear reference to whom 'he' refers. Clarity is key to avoid confusion.

Common error

While grammatically sound, "he certainly is" can sound too informal in academic papers or business reports. Opt for more formal alternatives like "he undoubtedly is" or "he assuredly is" in such settings.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "he certainly is" functions as an affirmative response, confirming a statement or observation made about a male individual. Ludwig AI shows that the expression is used to express agreement with a preceding statement.

Expression frequency: Very common

Frequent in

News & Media

98%

Formal & Business

1%

Academia

1%

Less common in

Science

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "he certainly is" is a grammatically correct and commonly used phrase to express agreement or affirmation. Ludwig AI confirms it's widespread usage in News & Media. While versatile, it's important to consider the context and audience when choosing between this and more formal alternatives to maintain the appropriate tone in formal, academic or professional writing. Pay attention to who the speaker is referring to when employing this phrase. Remember that clarity and tone are key to effective communication.

FAQs

How can I use "he certainly is" in a sentence?

Use "he certainly is" to affirm a statement about someone. For example, if someone says, "He's a dedicated worker", you can respond, "He certainly is".

What does "he certainly is" imply?

It implies strong agreement with a prior statement about someone, emphasizing the truth or validity of the statement.

What are some alternatives to "he certainly is"?

You can use alternatives like "he definitely is", "he absolutely is", or "he indeed is" depending on the desired level of formality and emphasis.

Is "he certainly is" suitable for formal writing?

While grammatically correct, "he certainly is" can be perceived as informal. In formal writing, consider using phrases like "he undoubtedly is" or "he assuredly is" for a more professional tone.

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Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: