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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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to be certain

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "to be certain" is correct and usable in written English.
You can use it when you want to express certainty and to emphasize your opinion or opinion of someone else. For example, "He is the right person for the job, I am certain of it."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Needed to be certain".

News & Media

The New York Times

"There have to be certain conditions.

News & Media

The New York Times

It is hard to be certain.

News & Media

The Economist

But Patterson wanted to be certain.

News & Media

The New Yorker

Still, it never hurts to be certain.

News & Media

The New Yorker

To be certain, check image rights statements.

(I listened three times to be certain).

News & Media

The Guardian

Watch the tape again to be certain.

People need to know it, to be certain.

News & Media

The New York Times

It took me about six months to be certain.

News & Media

The New York Times

To be certain, diversification has not occurred without consequences.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "to be certain" when you want to emphasize the importance of verification or confirmation before taking action or making a decision.

Common error

Avoid using "to be certain" excessively in casual conversations or informal writing. Opt for simpler alternatives like "to make sure" or "to ensure" for a more natural tone.

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 "to be certain" functions as an infinitive of purpose, indicating the reason or intention behind an action. Ludwig AI confirms its correct usage across various contexts.

Expression frequency: Very common

Frequent in

News & Media

53%

Academia

28%

Science

10%

Less common in

Wiki

6%

Formal & Business

3%

Social Media

0%

Ludwig's WRAP-UP

The phrase "to be certain" is a versatile and frequently used expression indicating a desire for assurance, confirmation, or verification. Ludwig AI confirms its grammatical correctness and broad applicability across diverse contexts, including news, academia, and general writing. While suitable for both formal and informal settings, it's important to be mindful of the tone and consider simpler alternatives like "to make sure" in casual contexts. When aiming for precision and thoroughness, "to be certain" remains a valuable tool for emphasizing the importance of verification before making decisions or taking action.

FAQs

How can I use "to be certain" in a sentence?

You can use "to be certain" to introduce a clause explaining the reason for taking a specific action, such as "I checked the locks again, "to be certain" everything was secure."

What are some alternatives to "to be certain"?

Alternatives include "to ensure", "to make sure", or "to confirm", depending on the specific context and desired level of formality.

Is it always necessary to use "to be certain" in formal writing?

While "to be certain" is appropriate for formal writing, it's not always necessary. You can often use more concise phrasing, such as "for verification" or "for confirmation", depending on the context.

What's the difference between "to be certain" and "to be sure"?

While similar, "to be certain" often implies a slightly stronger emphasis on the need for verification and a higher degree of confidence than "to be sure".

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: