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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is certain with

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is certain with" is not correct and does not convey a clear meaning in written English.
It may be intended to express certainty about something, but the construction is awkward and unclear. Example: "She is certain with her decision" would be better phrased as "She is certain about her decision."

⚠ May contain grammatical issues

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

14 human-written examples

The only thing that is certain with Smith is that his stint will not be boring.

I don't know where they will end up, but one thing is certain: with me around, at least they'll know where they came from.

One thing is certain: with the increasing incidence of legal action – namely expatriate workers suing their companies and organisations when they experience traumatic events such as kidnap – companies, charities and contractors simply cannot afford to turn a blind eye.

But as always, nothing is certain with the App Store.

News & Media

TechCrunch

And he also feels Doncaster, who are bottom of Pool A, have shown nothing is certain with their impressive display in losing to London Welsh last week.

News & Media

BBC

For just a few panicky days Apophis became the first and so far only near-Earth object to reach four on the Torino scale of impact hazards, where zero equals next to no risk and 10 means that a collision is certain with something big enough to threaten the planet.

News & Media

BBC
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Human-verified similar examples from authoritative sources

Similar Expressions

44 human-written examples

She was certain, with what my father always described as an animal, instinctive fear, that the moment I was borne aloft, I would perish.

Although Harald Heubaum from Univeristy of London did say that you can never be certain with energy markets - very few people predicted the shale boom in the US.

News & Media

The Guardian

The Scotland international picked out the rampaging van der Merwe who crossed for a morale-boosting score, and Russell was certain with the conversion.

News & Media

BBC

He said he was certain, with no doubts at all, about the accuracy of his identification of Howell.

News & Media

Vice

"I'm certain with these early and unprecedented investments we can achieve Republican victories up and down the ballot now and for years to come".

News & Media

Huffington Post
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Expert writing Tips

Best practice

Avoid using the phrase "is certain with" in formal writing. Opt for grammatically correct alternatives like "is certain about", "is sure of", or "is confident in" to ensure clarity and credibility.

Common error

The most common error is using the preposition 'with' after 'certain'. Remember that 'certain' typically requires 'about' or 'of' to connect to the object of certainty. Saying "is certain with" can confuse readers and undermine your message.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is certain with" functions as a declarative statement, aiming to express a state of conviction. However, Ludwig AI indicates it is grammatically incorrect, affecting its effectiveness.

Expression frequency: Uncommon

Frequent in

News & Media

40%

Science

30%

Formal & Business

10%

Less common in

Wiki

10%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "is certain with" is deemed grammatically incorrect by Ludwig AI, which impacts its clarity and effectiveness in communication. Although examples appear across various contexts like News & Media and Science, it's crucial to recognize and avoid this construction in favor of grammatically sound alternatives such as "is certain about", "is sure of", or "is confident in". Despite its uncommon usage, authoritative sources like The New York Times occasionally feature it, highlighting the importance of understanding its flaws and opting for standard English to ensure clear and credible writing. By addressing common errors and implementing best practices, writers can enhance their message and avoid potential confusion.

FAQs

What's the correct way to express certainty using the word "certain"?

The correct way to express certainty is to use "certain about" or "certain of". For example, "I am certain about my decision" or "I am certain of the facts". Avoid using "is certain with".

What can I say instead of "is certain with"?

Instead of "is certain with", use alternatives like "is certain about", "is sure of", or "is confident in". The choice depends on the specific context.

Is "is certain with" grammatically correct?

No, "is certain with" is not grammatically correct. The correct prepositions to use with "certain" are "about" or "of". Using "is certain with" can sound awkward and unclear.

How does the meaning change when I use "is certain about" instead of "is certain with"?

Using "is certain about" ensures grammatical correctness and clarity. "Is certain with" is non-standard and might not be understood, while "is certain about" clearly conveys assurance regarding a particular subject.

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Source & Trust

82%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: