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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

they certainly are

Grammar usage guide and real-world examples

USAGE SUMMARY

"they certainly are" is correct and usable in written English.
You can use it to emphasize agreement or the correctness of something, especially when replying to a statement. Example: Person 1: "I think these jeans are too small for me." Person 2: "They certainly are."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Popular they certainly are.

News & Media

The New York Times

They certainly are.

News & Media

The New York Times

Clogged they certainly are.

News & Media

The Economist

They certainly are doing that.

News & Media

The New York Times

They certainly are silky smooth.

But they certainly are from John McCain's.

News & Media

The New York Times

Currently they certainly are likely to be.

News & Media

The Guardian

They certainly are not asking for more.

News & Media

The New York Times

They certainly are not tolerated by Oregon fans.

We're just Ellie, aren't we?" They certainly are.

They certainly are the series' most avid viewers.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Incorporate "they certainly are" to add a touch of formality while maintaining a conversational tone, particularly effective in professional settings or written communication.

Common error

Avoid using "they certainly are" excessively in casual conversations, as it may sound overly formal or stilted. Opt for simpler affirmative responses like "yes" or "definitely" in informal settings.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "they certainly are" functions as an affirmative response, used to express strong agreement or confirmation. As seen in the Ludwig examples, it often follows a statement and serves to reinforce its validity, mirroring the affirmative response.

Expression frequency: Very common

Frequent in

News & Media

75%

Academia

15%

Formal & Business

5%

Less common in

Science

2%

Wiki

2%

Social Media

1%

Ludwig's WRAP-UP

In summary, "they certainly are" is a versatile phrase used to express strong agreement or affirmation. As Ludwig AI confirms, its grammatical correctness and common usage across various reputable sources make it a reliable expression. Predominantly found in news and academic contexts, the phrase adds emphasis and validation to preceding statements. While it is generally neutral in tone, users should be mindful of its slight formality and avoid overuse in casual settings. Alternatives like "they definitely are" or "they indeed are" can be used to vary the expression while maintaining similar emphasis.

FAQs

How can I use "they certainly are" in a sentence?

Use "they certainly are" to strongly agree with a previous statement or observation. For example, if someone says, "This project is challenging", you could respond, "They certainly are", to emphasize your agreement.

What can I say instead of "they certainly are"?

You can use alternatives like "they definitely are", "they absolutely are", or "they indeed are" depending on the context and the level of emphasis you want to convey.

When is it appropriate to use "they certainly are"?

It's appropriate to use "they certainly are" when you want to express strong agreement in a situation that calls for a slightly more formal or emphatic tone than a simple "yes" would provide. It works well in both spoken and written communication.

Is "they certainly are" considered formal or informal?

While not overly formal, "they certainly are" leans towards a more formal register compared to simpler affirmative responses. It's suitable for professional conversations, written communication, and situations where you want to convey a sense of assuredness.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: