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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be sure that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'be sure that' is correct and can be used in written English.
It is used to express certainty or to advise someone to take something seriously. For example, "Be sure that you double-check all of your information before submitting your paper."
✓ Grammatically correct
Wiki
Academia
News & Media
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Be sure that Files is checked.
Be sure that suits you.
News & Media
Be sure that you don't!
News & Media
Be sure that you behave.
Wiki
Be sure that they're dry.
Wiki
Be sure that it's black.
Wiki
Be sure that everything matches.
Wiki
Be sure that you understand them.
Wiki
Be sure that your narrative is coherent.
Wiki
Be sure that Java is updated.
Wiki
Be sure that your plants get light.
Wiki
Expert writing Tips
Best practice
When providing instructions, use "be sure that" to emphasize critical steps that must not be overlooked. This clarifies expectations and reduces potential errors.
Common error
While "be sure that" is generally acceptable, overuse in formal contexts can sound repetitive. Opt for stronger verbs like 'ensure', 'verify', or 'confirm' to maintain a professional tone.
Source & Trust
63%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be sure that" functions as a directive, urging the listener or reader to take a specific action or maintain a certain state. Ludwig AI indicates that this phrase is grammatically correct and widely used.
Frequent in
Wiki
60%
Academia
18%
News & Media
12%
Less common in
Science
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "be sure that" is a versatile and commonly used expression to emphasize the importance of an action or condition. As Ludwig AI confirms, it is grammatically correct and appropriate for various contexts. While generally neutral, it can be replaced by more formal alternatives like "ensure that" or "verify that" in professional writing. When using "be sure that", focus on clarity and emphasize critical steps to avoid potential errors. The phrase sees frequent use in Wiki and academic content.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
ensure that
Focuses on guaranteeing a specific outcome or condition.
make certain that
Highlights the act of confirming something to eliminate doubt.
verify that
Emphasizes checking the truth or accuracy of something.
confirm that
Stresses the validation of a fact or statement.
check that
Suggests a simple examination to ensure correctness or functionality.
ascertain that
Implies a more formal or thorough investigation to establish certainty.
take care that
Advises caution and attention to prevent undesirable outcomes.
see to it that
Indicates a personal responsibility to ensure something happens.
guarantee that
Offers assurance that something will definitely occur or be true.
assure yourself that
Highlights the act of self-confirmation to remove any personal doubt.
FAQs
How can I use "be sure that" in a sentence?
"Be sure that" is used to emphasize the importance of something or to give a strong recommendation. For example, "Be sure that you submit your application before the deadline."
What are some alternatives to "be sure that"?
Depending on the context, you can use alternatives like "ensure that", "make certain that", or "verify that".
Is it better to use "be sure that" or "ensure that"?
While both phrases are grammatically correct, "ensure that" is often considered more formal and suitable for professional writing. "Be sure that" is more common in everyday conversation.
What's the difference between "be sure that" and "make sure that"?
"Be sure that" and "make sure that" are very similar in meaning and are often interchangeable. However, "be sure that" can sometimes carry a slightly stronger emphasis on the importance of the action.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
63%
Authority and reliability
4.1/5
Expert rating
Real-world application tested