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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
please be sure that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"please be sure that" is a correct and usable phrase in written English.
You can use it to politely ask someone to make sure that something is true or has been done. For example: "Please be sure that all the guests have been seated before starting the presentation."
✓ Grammatically correct
Academia
News & Media
Wiki
Alternative expressions(20)
ensure that
I recognize that
now certify that
it has been brought to my attention
as far as I know
I realize that
hereby confirmed that
I certify
you can be sure that
I grant that
hereby certified that
make certain that
don't forget to
It is not news to me
i believe that
please make sure that
please rest assured that
my impression is that
I emphasise that
it is guaranteed that
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
29 human-written examples
The "private" part of your CalNet credentials is the passphrase, so please be sure that you are the only person who knows your passphrase.
If the link is to a video, please be sure that you are linking to the video from this website; links to our videos from other websites often do not work.
Academia
All students must pay a $15 dissertation maintenance fee to the Princeton University Library, which is payable by Visa or MasterCard* (please be sure that your card is signed or you will need to present two forms of signed photo identification to use the card).
Academia
We can only publish contributions from those over the age of 16 but if you're younger and want to share your experience, then here are some people to get in touch with: ChildLine 0800 1111 NSPCC 0808 800 5000 Published submissions will appear on GuardianWitness, and perhaps the Guardian too, so please be sure that you're only sharing what you're happy to have everyone read.
News & Media
If your Twitter API application stores status IDs, please be sure that your datastore is configured to handle integers of that size.
News & Media
For those of you unaware of what the Twitpocalypse is (hopefully no one by now), Alex previously noted "the Twitter operations team will artificially increase the maximum status ID to 4294967296 … If your Twitter API application stores status IDs, please be sure that your datastore is configured to handle integers of that size".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
Note that the Obama Foundation Scholars Program has specific requirements, so please be sure to review that information.
Academia
If you would like a shipping method other than those listed in the drop-down menu (for instance, Federal Express Next Day), please be sure to specify that method in the box.
Academia
Regardless of legality, Silcox warns against getting your dog stoned on purpose: "If as a pet owner, people want to use cannabis with their pets, please be sure you talk about that decision with your veterinarian".
News & Media
If you would like electricity, please be sure to indicate that on your registration form.
Academia
When inquiring about housing availability, please be sure to state that you are applying for the second summer session.
Academia
Expert writing Tips
Best practice
Use "please be sure that" to politely emphasize the importance of a specific action or verification. It's particularly effective when requesting confirmation or double-checking details to avoid potential issues.
Common error
While useful, overuse of "please be sure that" can make your writing sound repetitive. Vary your language by using alternatives like "ensure that" or "make certain that" to maintain a more engaging and natural tone.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "please be sure that" functions as a polite directive or request, emphasizing the importance of ensuring a particular action is completed or a condition is met. This directive is commonly used to prompt verification or confirmation. According to Ludwig AI, the phrase is considered grammatically correct and usable.
Frequent in
Academia
35%
News & Media
35%
Wiki
15%
Less common in
Science & Research
10%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "please be sure that" is a grammatically sound and frequently used phrase to politely emphasize the importance of an action or a piece of information. As Ludwig AI confirms, it is a standard expression for ensuring diligence and preventing errors. It's prevalent in academic and news contexts, suggesting a formal yet accessible tone. While effective, remember to vary your language to avoid repetition and maintain a natural writing style. Alternatives like "ensure that" or "make certain that" can add nuance to your communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ensure that
Emphasizes guaranteeing a specific outcome or condition.
make certain that
Highlights the need for absolute certainty.
verify that
Focuses on confirming the truth or accuracy of something.
confirm that
Stresses the act of validating information or arrangements.
ascertain that
Implies a careful investigation to discover the facts.
double-check that
Suggests a review to avoid errors or omissions.
see to it that
Implies taking responsibility for ensuring something happens.
take care that
Highlights the need for caution and attention.
don't forget to
Serves as a reminder to complete a necessary action.
bear in mind that
Emphasizes the importance of remembering a particular fact.
FAQs
How can I use "please be sure that" in a sentence?
You can use "please be sure that" to politely emphasize the importance of a following action or piece of information. For example, "Please be sure that you submit your application before the deadline."
What are some alternatives to "please be sure that"?
Alternatives include "ensure that", "make certain that", or "verify that", depending on the specific context and desired emphasis.
Is it more appropriate to use "ensure that" or "please be sure that"?
"Ensure that" is more direct and formal, while "please be sure that" adds a polite tone. The choice depends on the context and your relationship with the recipient. In formal settings, "ensure that" may be preferable.
When should I not use "please be sure that"?
Avoid using "please be sure that" in situations where a direct command is more appropriate or when politeness is unnecessary. Also, overuse can make your writing sound repetitive, so vary your language using alternatives.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested