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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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that is certainly true

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "that is certainly true" is correct and usable in written English.
You can use it to affirm or agree with a statement or opinion that has been expressed, emphasizing your agreement. Example: "After considering all the evidence presented, I must say that is certainly true."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

In a strict sense that is certainly true.

News & Media

The New York Times

For baby boomers of Mr. Leno's generation that is certainly true.

News & Media

The New York Times

And, although I've had run-ins with various directors, that is certainly true in my case.

News & Media

The Guardian

So there is an overall colour-coding characteristic that is certainly true of all the exterior shots of the film.

Well, yes, that is certainly true but not the reason why OpenStack nominated Havana.

News & Media

TechCrunch

That is certainly true.

News & Media

The New York Times

That is certainly true sometimes.

News & Media

The New York Times

That is certainly true in American politics.

News & Media

The New York Times

That is certainly true from my experience.

News & Media

Independent

That is certainly true in rich countries.

News & Media

The Economist
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

That is certainly true, and possibly a problem, but if so it is among the least of them.

Expert writing Tips

Best practice

Use "that is certainly true" to emphatically agree with a statement, adding weight to your affirmation. It implies you've considered the statement and find it undeniably correct.

Common error

Avoid overuse of "that is certainly true" in close succession, as it can make your writing sound repetitive and less sincere. Vary your expressions of agreement to maintain reader engagement.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "that is certainly true" functions as an affirmative statement, used to express strong agreement with a previous assertion. Ludwig confirms its grammatical correctness and usability.

Expression frequency: Uncommon

Frequent in

News & Media

67%

Science

17%

Formal & Business

16%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "that is certainly true" is a grammatically sound phrase used to express strong agreement and validation. As Ludwig AI confirms, it's appropriate for neutral contexts, particularly in News & Media, but also appears in Scientific and Formal & Business settings. While effective for emphasizing agreement, overuse can dilute its impact. Alternatives like "that is undoubtedly true" or "that is absolutely correct" can add variety. To write well is important to remember that this is a useful phrase to emphasize your agreement with a statement, ensuring clarity and conviction in your communication.

FAQs

What's a more formal way to say "that is certainly true"?

For a more formal tone, you might use phrases such as "that is undoubtedly true" or "that is absolutely correct", which convey strong agreement in a professional setting.

How can I use "that is certainly true" in a sentence?

You can use "that is certainly true" to affirm a statement you agree with. For instance, "The data indicates a significant increase in sales; that is certainly true."

What are some alternatives to "that is certainly true" that aren't so emphatic?

If you want to express agreement without strong emphasis, consider using phrases like "that seems likely", or "that appears to be the case".

Is it ever incorrect to use "that is certainly true"?

While grammatically correct, using "that is certainly true" might be inappropriate if the statement you're agreeing with is subjective or lacks evidence. In such cases, a softer agreement may be more suitable.

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: