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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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be sure of that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "be sure of that" is correct and usable in written English.
You can use it to emphasize certainty or assurance about a statement or fact. Example: "If you think you can finish the project on time, be sure of that before making any promises."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

51 human-written examples

"It will hurt us, be sure of that.

There will be dramas, be sure of that.

'Ah, one can never be sure of that.

Customers will be furious, we can be sure of that.

| Pregame Well, this will be interesting, you can be sure of that.

News & Media

The New York Times

They may be too high, but there is no way to be sure of that.

News & Media

The New York Times
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Human-verified similar examples from authoritative sources

Similar Expressions

7 human-written examples

He is sure of that.

I'm sure of that.

They are sure of that.

Not restaurants, he's sure of that.

I was the star, I was sure of that.

Show more...

Expert writing Tips

Best practice

When using "be sure of that", consider the context and audience. While generally appropriate, it can sound slightly informal. For a more formal tone, consider "rest assured".

Common error

Avoid using "be sure of that" repeatedly in close proximity within your writing. Overuse can make your writing sound repetitive and less impactful. Vary your language by using synonyms like "without a doubt" or "you can count on it".

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 "be sure of that" functions primarily as an emphatic assertion. Ludwig confirms its usability, and it's used to reassure or convince someone of the truth or certainty of a statement.

Expression frequency: Common

Frequent in

News & Media

94%

Formal & Business

3%

Science

3%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "be sure of that" is a common and grammatically correct phrase used to express certainty and provide assurance. As noted by Ludwig AI, it is usable in written English to emphasize a fact or statement. Its primary function is to reinforce the speaker's confidence and reassure the listener. While generally appropriate for various contexts, it can be replaced with alternatives like "rest assured" or "you can count on it" depending on the desired level of formality.

FAQs

How can I use "be sure of that" in a sentence?

You can use "be sure of that" to emphasize certainty or assurance about a statement or fact. For example, "If you follow these instructions carefully, "be sure of that", the project will succeed."

What can I say instead of "be sure of that"?

You can use alternatives like "rest assured", "you can count on it", or "without a doubt" depending on the context.

Is it appropriate to use "be sure of that" in formal writing?

While "be sure of that" is generally acceptable, it can sound slightly informal. For formal writing, consider using more formal alternatives like "rest assured" or stating the fact directly without the added assurance.

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

"Be certain of that" is a more formal version of "be sure of that". Both phrases express confidence, but "be certain" carries a slightly more authoritative tone.

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: