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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

to be sure that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "to be sure that" is correct and usable in written English.
You can use it when you want to express certainty or assurance about something. Example: "I want to be sure that we have all the necessary documents before the meeting."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

To be sure, that might not have happened.

News & Media

The New York Times

To be sure, that would not be so bad.

News & Media

The New Yorker

To be sure, that following was slow to build.

News & Media

The New York Times

To be sure, that is a very alarming fact.

News & Media

The New Yorker

To be sure, that said has its good side.

To be sure, that approach does not always work.

To be sure, that is a small percentage of SEC enforcement actions.

It is, to be sure, that.

News & Media

Vice

We want to be sure that has really happened.

We also want to be sure that adults have accurate information about cyberbullying.

To be sure, that reality has cut both ways.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

Use "to be sure that" when you want to express a proactive effort to confirm something, emphasizing a preventative measure against uncertainty.

Common error

Avoid using "to be sure that" excessively in highly formal or academic writing; alternatives like "to ensure" or "to verify" might be more appropriate for maintaining a professional 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 sure that" functions as a subordinator, introducing a subordinate clause that expresses the purpose or reason for an action. It indicates the intention behind ensuring or verifying something. As stated by Ludwig AI, it is correct and usable in written English.

Expression frequency: Uncommon

Frequent in

Science

38%

News & Media

38%

Academia

24%

Less common in

Ludwig's WRAP-UP

In summary, the phrase "to be sure that" is a grammatically correct and usable English phrase that functions as a subordinator expressing the purpose of verifying or confirming something. It is generally neutral in register and frequently appears in scientific, news, and academic contexts. While Ludwig AI confirms its usability, it's important to note that alternatives like "to ensure that" or "to verify that" may be more appropriate in highly formal settings. Therefore, use "to be sure that" thoughtfully to convey precaution and diligence while maintaining an appropriate tone for your writing.

FAQs

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

Use "to be sure that" to introduce a clause expressing the purpose of ensuring or verifying something. For example, "I checked the door again "to be sure that" it was locked."

What are some alternatives to "to be sure that"?

Alternatives include "to ensure that", "to make certain that", or "to verify that", depending on the specific nuance you want to convey.

Is there a difference between "to be sure that" and "to ensure that"?

While similar, "to be sure that" often implies a more personal or immediate action of verification, whereas "to ensure that" suggests a more formal or systematic approach to guaranteeing a result.

When is it best to use "to be sure that" over other similar phrases?

Use "to be sure that" when you want to emphasize the act of taking a specific action to confirm something, often in a context where doubt or uncertainty is present. For instance, "I called her "to be sure that" she arrived safely."

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: