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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could be not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could be not" is grammatically correct and can be used in written English, although it is not very common.
It is used to express doubt or uncertainty about something. Example: The answer to the question could be not what we expect.
News & Media
Science
Academia
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
It could be not much.
News & Media
Mr. Lantos could be not reached for comment yesterday.
News & Media
Ascidians larvae are lecitothorphic and short-lived, which suggest that ascidians could be not efficient dispersers.
These properties could be not the major cause of the activities' differences.
And it could be not just nation-states, but non-nation-states as well.
Academia
Erik Brynjolfsson and many others could be not to worry about a danger from AI systems.
Autoreduction to Cu(I) was essentially absent and could be not significantly enhanced by CO pretreatment under "mild" conditions.
Science
Other experts said that giving list prices could be not just confusing but also ineffective.
News & Media
"People with chronic conditions could be not suicidal but perhaps apathetic about living or dying.
News & Media
The result could be not giving aid to someone who needs it.
News & Media
The Portland Oregonian rejected it because it could be not proved.
News & Media
Expert writing Tips
Best practice
Consider the context and audience. In formal writing, opting for alternatives to "could be not" enhances professionalism and avoids potential ambiguity.
Common error
Avoid using "could be not" in an attempt to sound sophisticated. This phrase can often make your writing seem convoluted and less impactful. Instead, favor simpler and more direct alternatives like "might not" or "may not".
Source & Trust
84%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could be not" functions as a modal construction expressing possibility or uncertainty. While it is grammatically valid, according to Ludwig AI, its usage is less common than alternatives like "might not be" or "may not be".
Frequent in
News & Media
38%
Science
38%
Academia
9%
Less common in
Wiki
3%
Formal & Business
2%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while the phrase "could be not" is grammatically acceptable, according to Ludwig AI, it is less common and often sounds less natural than alternatives like "might not be" or "may not be". It functions to express possibility or uncertainty. Analysis of usage patterns reveals its presence across News & Media, Science, and Academia, while direct alternatives are often preferred for greater clarity and conciseness. Therefore, prioritizing alternatives enhances readability and professionalism in various contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
might not be
Replaces "could" with "might", maintaining the sense of possibility but often sounding more natural in contemporary English.
may not be
Substitutes "could" with "may", providing a similar level of uncertainty but potentially with a slightly more formal tone.
could fail to be
Expresses a potential lack of existence or a failure to achieve a certain state.
could turn out not to be
Adds emphasis on the eventual revelation or outcome, implying a process of discovery.
is potentially not
Shifts the focus to the present state with a potential for negation.
it's possible it isn't
Breaks down the statement into a simpler, more conversational form.
it's unlikely to be
Conveys a lower probability, leaning towards the negative outcome.
is not necessarily
Highlights that something doesn't always hold true, introducing an exception.
it can't be said for sure
Emphasizes the lack of certainty, indicating that definitive confirmation is impossible.
it remains uncertain whether it is
Formally expresses the continued lack of clarity or resolution on a matter.
FAQs
What does "could be not" mean?
The phrase "could be not" expresses a possibility that something isn't or won't be a certain way. It conveys uncertainty or doubt, similar to saying "might not be" or "may not be".
How can I use "could be not" in a sentence?
While grammatically correct, it's often clearer to rephrase. For example, instead of "The result could be not what we expect", try "The result "might not be" what we expect".
Which is correct, "could be not" or "could not be"?
"Could not be" is generally preferred and more common in modern English. While "could be not" isn't incorrect, it can sound awkward or archaic to some readers. Using "could not be" enhances clarity and flow.
What are some alternatives to "could be not"?
Consider using alternatives such as "may not be", ""might not be"", "is not necessarily", or simply rephrasing the sentence for better clarity. The best choice depends on the specific 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
84%
Authority and reliability
3.9/5
Expert rating
Real-world application tested