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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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i am certain about

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I am certain about" is correct and usable in written English.
You can use it when expressing confidence or assurance regarding a particular fact or situation. Example: "I am certain about the accuracy of the data we collected for the project."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

10 human-written examples

It was, I am certain, about six or eight minutes.

One way or another, he told his sister: "I am certain about my death".

News & Media

The Guardian

There was a forgery and I am certain about what I am saying".

News & Media

The Guardian

More talks are expected soon, with the player saying: "I would like to stay here a long, long time, I am certain about that.

News & Media

Independent

Pickles told the BBC Today programme: "What I am certain about is a free society is vulnerable to an unexplained, heavy violent attack, whether it was, as our dear friends in Norway faced a couple of years ago, a white supremacist or whether what we faced on the streets of Woolwich, a blasphemy and distortion of Islam," he said.

News & Media

The Guardian

The Tory minister told Radio 4: What I am certain about is a free society is vulnerable to an unexplained, heavy violent attack, whether it was as our dear friends in Norway faced a couple of years ago a white supremacist or whether what we faced on the streets of Woolwich, a blasphemy and distortion of Islam.

News & Media

The Guardian
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

"One thing I'm certain about is that there will be less full-time equivalent staff working for KCC into the future".

News & Media

BBC

"There is one thing I'm certain about: There won't be printed newspapers in 20 years," he said in a November interview with German newspaper Berliner Zeitung.

News & Media

Los Angeles Times

"I'm certain about that.

News & Media

The New York Times

I may not get everything right all the time, but I'm certain about this one.

And on the 30th, when I saw so many people in the streets, I was certain about it.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "i am certain about" to express a strong conviction based on evidence or experience. This phrase is particularly effective when you want to convey a sense of reliability and confidence in your statement.

Common error

Avoid using "i am certain about" when you actually mean "i think it's likely". Certainty implies a high degree of confidence, whereas likelihood suggests a probability that may not be definite.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "i am certain about" functions as an assertion of confidence. It's used to convey a firm belief or conviction regarding a particular matter. As confirmed by Ludwig, the phrase is grammatically correct and conveys confidence.

Expression frequency: Common

Frequent in

News & Media

60%

Academia

25%

Science

15%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "i am certain about" is a grammatically correct and commonly used phrase for expressing strong conviction or assurance. Ludwig examples show its prevalence across diverse contexts, primarily in News & Media, Academic and Scientific domains. When writing, remember that this phrase should be used to express certainty stemming from real facts or strong beliefs.

FAQs

How can I use "i am certain about" in a sentence?

Use "i am certain about" to express strong confidence or assurance about something. For example: "I am certain about the accuracy of these findings."

What can I say instead of "i am certain about"?

Is it more formal to say "i am certain about" or "i am sure about"?

"I am certain about" and "i am sure about" are often interchangeable, but "i am certain about" can come across as slightly more formal, emphasizing a stronger conviction.

What's the difference between "i am certain about" and "i am confident about"?

While both phrases express assurance, "i am certain about" focuses on the factual or objective assurance, whereas "i am confident about" often relates to a belief in one's abilities or a positive expectation about an outcome.

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: