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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be careful that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"be careful that" is correct and usable in written English.
You can use it when you want to advise someone to consider something or take certain precautions, for example: "Be careful that you don't spill your coffee on the laptop."
✓ Grammatically correct
News & Media
Academia
Wiki
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
We must be careful that we don't underestimate our value.
News & Media
Check often, and be careful that it doesn't burn.
News & Media
You have to be careful that this first law of Newton is not valid for everybody.
Academia
You just have to be careful that the outer boundary must go counterclockwise.
Be careful that your storage fees don't wipe out your savings.
News & Media
You also have to be careful that you don't get involved in an illegal scheme.
News & Media
He asked people "to be careful that this challenge does not hurt the country's security".
News & Media
Be careful that laughter is not directed towards one or two people consistently.
News & Media
I want to be careful that we're not coming to this question with our bias.
News & Media
Be careful that it's describing a noun.
News & Media
Just be careful that these things don't derail the plan.
News & Media
Expert writing Tips
Best practice
When using "be careful that", clearly state the potential negative consequence you're trying to avoid. This provides context and makes the warning more effective.
Common error
Avoid using "be careful that" without specifying what the user should be careful about. A vague warning is less helpful than a specific one.
Source & Trust
78%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be careful that" functions as an advisory expression, used to caution someone about a potential risk or negative outcome. As Ludwig examples show, it often precedes a clause specifying what action should be avoided or what condition should be considered.
Frequent in
News & Media
42%
Wiki
37%
Academia
8%
Less common in
Science
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "be careful that" is a commonly used phrase to express caution or provide a warning. Ludwig AI confirms its grammatical correctness and usability in various contexts. It is most frequently found in news and media and wiki-based sources, indicating a generally neutral to informal register. To enhance clarity, it's important to specify the potential negative consequence when using this phrase. Alternatives include "ensure that" and "take care that", offering slight variations in tone and emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be cautious that
Replaces "careful" with its synonym, emphasizing prudence and awareness of potential risks.
take care that
Highlights the act of taking precautions, focusing on personal responsibility.
make sure that
Similar to ensure, but slightly more informal, highlighting the act of verification.
ensure that
Emphasizes making certain something happens, shifting focus from caution to assurance.
be wary that
Implies a sense of suspicion or distrust, suggesting the need for vigilance.
be vigilant that
Stresses the importance of being constantly alert and watchful.
mind that
A more informal way to express caution, often used in spoken English.
be heedful that
Suggests paying close attention to avoid mistakes or negative consequences.
look out that
Warns about a specific potential danger or problem.
pay attention that
Similar to "be heedful that", but a bit more direct.
FAQs
How can I use "be careful that" in a sentence?
Use "be careful that" to advise someone to take precautions. For example, "Be careful that you don't forget your keys".
What are some alternatives to "be careful that"?
Alternatives include "make sure that", "ensure that", or "take care that" depending on the nuance you wish to convey.
Is "be careful that" formal or informal?
"Be careful that" is generally considered neutral in formality and can be used in both formal and informal contexts, although alternatives might be more appropriate for very formal writing.
What's the difference between "be careful that" and "be cautious that"?
Be cautious that is a more formal synonym for "be careful that", both advising someone to take precautions. The difference lies mainly in tone and context.
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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
78%
Authority and reliability
4.5/5
Expert rating
Real-world application tested