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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 not to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "be sure not to" is correct and usable in written English.
It can be used as a way of giving advice or as a way of warning someone not to do something. For example, "Be sure not to forget your keys when you leave for work this morning."
✓ Grammatically correct
Wiki
News & Media
Science
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 not to break the flesh.
News & Media
Please be sure not to write on the untreated walls.
Just be sure not to drop it.
News & Media
Be sure not to develop this mindset.
News & Media
Be sure not to wait until the very last week!
Science & Research
Be sure not to overpluck.
Wiki
Be sure not to overcook!
Wiki
Be sure not to crush the grasshopper!
Wiki
Be sure not to kill the Denizen.
Wiki
Be sure not to seem to clingy.
Wiki
Be sure not to forget anything!
Wiki
Expert writing Tips
Best practice
When using "be sure not to", consider the tone you want to convey. It can range from a gentle reminder to a firm instruction. Choose alternatives if the tone doesn't quite fit your needs.
Common error
While "be sure not to" is useful, excessive use of negative constraints can make your writing sound overly critical or negative. Try phrasing some instructions positively instead. For example, instead of "Be sure not to overcook the cookies", try "Bake the cookies until they are golden brown".
Source & Trust
72%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be sure not to" functions as an advisory expression. It’s used to give cautionary instructions or preventative advice. Ludwig AI confirms it’s grammatically correct and commonly used.
Frequent in
Wiki
50%
News & Media
23%
Science
27%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "be sure not to" is a versatile and commonly used expression for providing cautionary advice. As Ludwig AI confirms, it is grammatically correct and suitable for various contexts, ranging from general instructions to specific warnings. While highly frequent, considering the tone and exploring alternative phrasings can enhance clarity and avoid overuse. The analysis of usage patterns reveals its prevalence in general and media contexts, highlighting its broad applicability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
make sure not to
Replaces "be sure" with "make sure", offering a slightly more informal tone while maintaining the same level of instruction.
ensure you don't
Uses "ensure" instead of "be sure", adding a touch of formality and emphasis on guaranteeing the desired outcome.
take care not to
Adds a layer of concern and consideration, suggesting a need for carefulness in avoiding something.
don't forget to
Shifts the focus to remembering an action, implying a gentle reminder rather than a strict command.
remember not to
Emphasizes the act of remembering to avoid something, highlighting the importance of recall.
see that you don't
Implies a level of supervision or responsibility, suggesting that the speaker will be monitoring the situation.
avoid doing
Focuses on actively preventing an action, suggesting a proactive approach to caution.
do not
Offers a direct and forceful command, suitable for situations where clarity and authority are paramount.
refrain from
Uses a more formal and polite way to advise against doing something.
beware of
Highlights a potential danger or negative consequence, emphasizing the need for caution.
FAQs
What does "be sure not to" mean?
The phrase "be sure not to" is used to advise or warn someone against doing something. It emphasizes the importance of avoiding a particular action or outcome.
How can I use "be sure not to" in a sentence?
You can use "be sure not to" followed by a verb to give a warning or instruction. For example: "Be sure not to forget your keys" or "Be sure not to overcook the pasta".
What are some alternatives to "be sure not to"?
Some alternatives to "be sure not to" include "make sure not to", "ensure you don't", or "don't forget to". The best choice depends on the specific context and the tone you want to convey.
Is there a difference between "be sure to" and "be sure not to"?
"Be sure to" is used to encourage or remind someone to do something, while "be sure not to" is used to warn or advise someone against doing something. They have opposite meanings.
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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
72%
Authority and reliability
4.1/5
Expert rating
Real-world application tested