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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could be not

Grammar usage guide and real-world examples

USAGE 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

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It could be not much.

Mr. Lantos could be not reached for comment yesterday.

News & Media

The New York Times

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.

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.

Other experts said that giving list prices could be not just confusing but also ineffective.

News & Media

The New York Times

"People with chronic conditions could be not suicidal but perhaps apathetic about living or dying.

News & Media

The Guardian

The result could be not giving aid to someone who needs it.

News & Media

The New York Times

The Portland Oregonian rejected it because it could be not proved.

News & Media

The New York Times
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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".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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".

Expression frequency: Very common

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.

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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Source & Trust

84%

Authority and reliability

3.9/5

Expert rating

Real-world application tested

Most frequent sentences: