Used and loved by millions
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 make sure
Grammar usage guide and real-world examplesUSAGE SUMMARY
"please make sure" is correct and can be used in written English.
It is a polite way of asking someone to take action to ensure something is done. For example: "Please make sure to turn off all the lights before you leave the office."
✓ Grammatically correct
Wiki
News & Media
Academia
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
But please make sure to invest in training surely and safely.
Wiki
Please make sure they're pre-scorched.
News & Media
Please make sure Grandpa doesn't drive.
News & Media
Please make sure to include that".
News & Media
Please make sure everyone you know goes to vote today.
News & Media
Please make sure the content is appropriate for your students.
News & Media
Please make sure you do so," he wrote.
News & Media
Please make sure to note both deadlines.
Academia
Please make sure only ONE partner submits.
"Please make sure he gets them," she said.
News & Media
Therefore, please make sure that your rehabilitation has proceeded well.
News & Media
Expert writing Tips
Best practice
When using "please make sure", follow it with a clear and specific action to avoid ambiguity. For instance, "Please make sure to submit your report by Friday."
Common error
While polite, excessive use of "please make sure" can make your writing sound repetitive. Vary your language by using alternatives like "ensure that you" or "kindly ensure" to maintain reader engagement.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "please make sure" functions primarily as a polite directive or instruction. It is used to urge someone to take necessary steps to guarantee a desired outcome, ensuring attention to detail or compliance with a specific requirement. Ludwig AI confirms this as grammatically correct.
Frequent in
Wiki
37%
News & Media
32%
Academia
21%
Less common in
Science
6%
Formal & Business
3%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "please make sure" is a versatile and widely used phrase for politely instructing someone to verify or ensure a specific action. Ludwig AI validates its grammatical correctness, confirming that is appropriate in various contexts, although considering the level of formality and varying your language are recommended. It is most commonly found in Wiki, News & Media, and Academic sources. Related phrases like "ensure that you" and "be certain to" offer alternative ways to convey a similar meaning. Remember to be clear and specific in your instructions when using this phrase to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
ensure that you
Directs the responsibility explicitly to the listener.
kindly ensure
Emphasizes politeness and formality more strongly.
double-check that
Highlights the need for thoroughness and reduces risk of oversight.
be certain to
Stresses the importance of the action being carried out without fail.
confirm that
Similar to 'verify that', suggests an action to remove doubt.
see to it that
Highlights taking responsibility for ensuring something happens.
verify that
Implies a check or confirmation is needed.
don't forget to
Functions as a reminder, softening the command.
remember to
Similar to 'don't forget to', used to jog someone's memory.
take care to
Emphasizes cautiousness and attention to detail.
FAQs
How can I use "please make sure" in a sentence?
Use "please make sure" to politely request or instruct someone to verify or ensure a specific action is completed, such as, "Please make sure all doors are locked before leaving."
What can I say instead of "please make sure"?
You can use alternatives like "ensure that you", "be certain to", or "verify that" depending on the context.
Which is correct, "please make sure" or "please be sure"?
Both "please make sure" and "please be sure" are correct and can be used interchangeably to politely request someone to do something. "Please make sure" emphasizes verification, while "please be sure" can also imply confidence or expectation.
Is "please make sure" too informal for professional emails?
While "please make sure" is generally acceptable, in highly formal contexts, alternatives like "kindly ensure" might be more appropriate. Consider your audience and the overall tone of your communication.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested