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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 can be used in written English.
It is typically used to express confidence or certainty about something. Example: "I am certain about the success of our new product launch. It has been thoroughly tested and has received positive feedback from focus groups."

✓ Grammatically correct

News & Media

Science

Academia

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 personal conviction based on evidence or experience. It adds a tone of confidence and authority to your statement.

Common error

Avoid using "I am certain about" too frequently in your writing, as it can make your tone sound overly assertive or even arrogant. Vary your language by using alternatives like "I believe", "I'm sure", or providing supporting evidence to demonstrate your confidence.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I am certain about" primarily functions as an assertion of conviction. It indicates that the speaker or writer holds a strong belief regarding the subject that follows. Ludwig supports this, showing its use across diverse contexts.

Expression frequency: Common

Frequent in

News & Media

60%

Academia

20%

Science

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "I am certain about" serves to express a strong conviction or belief. As Ludwig AI confirms, it is grammatically sound and readily used in written English. It appears frequently across varied sources such as news media, academic papers, and scientific publications, indicating a versatile applicability. While it conveys confidence, be mindful not to overuse it to avoid sounding overly assertive. Consider using synonyms like "I'm sure about" or "I have no doubt about" for variety. The provided analysis offers insights into best practices, potential pitfalls, and answers to common linguistic questions to help writers wield this phrase effectively.

FAQs

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

Use "I am certain about" to express a strong belief or conviction regarding something. For example: "I am certain about the positive impact of this policy."

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

Is it too formal to say "I am certain about"?

While "I am certain about" is more formal than "I'm sure about", it's appropriate in most professional and academic contexts. Consider your audience and the overall tone you want to convey.

What's the difference between "I am certain about" and "I think"?

"I am certain about" indicates a strong conviction, while "I think" suggests a less firm opinion. Use "I am certain about" when you have a high degree of confidence in your statement and "I think" when you're expressing a belief that might be open to debate.

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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: