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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
cannot be supposed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "cannot be supposed" is correct and usable in written English.
It can be used when expressing that something is not believed to be true or cannot be assumed to be the case. Example: "Given the evidence presented, it cannot be supposed that he acted alone in this matter."
✓ Grammatically correct
Academia
Science
News & Media
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
18 human-written examples
John Rawls' [32] view is that since global citizens cannot be supposed to see themselves as free and equal human beings who should relate fairly to each other, we cannot build coercive social institutions that assume they do.
If so, the gods, at any rate, cannot be supposed to have either joy or sorrow.
It is true, also, as is asserted, that the process of a State cannot be supposed to run beyond its own territory.
Academia
The revisers explained that a literal interpretation of such language 'would involve consequences which Congress cannot be supposed to have intended.
Academia
It is fundamental, and we are of opinion that the private property of riparian proprietors cannot be supposed to have deeper roots.
Academia
have for their sole object the internal government of the country is a very serious measure which Congress cannot be supposed to adopt lightly or inconsiderately...
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Zeno cannot be supposing that his arguments against plurality entailed the doctrine of Parmenides when that doctrine is represented in this same dialogue by Parmenides himself as something altogether more involved than the simple thesis that only one thing exists.
Science
Now however suppose the anthropologist makes what appears to be a judgement about what is maalu that is not just idiosyncratic but wildly idiosyncratic, so idiosyncratic that it cannot at all credibly be supposed to be either a misunderstanding or a novel interpretative judgement about what the Membini's code commits them to.
Science
"We cannot begin what is supposed to be a new era under a new constitution in the same old ways," he added, referring to the charter adopted in 2010.
News & Media
They cannot learn because they cannot remember what they're supposed to have learned.
News & Media
But even he, it is supposed, cannot live for ever.
News & Media
Expert writing Tips
Best practice
Use "cannot be supposed" to express a formal disagreement or a reasoned doubt about an assumption. It is particularly effective in academic, legal, or analytical contexts where a degree of skepticism is warranted.
Common error
Avoid using "cannot be supposed" in casual conversation or informal writing. It may sound overly formal or stilted. Opt for simpler alternatives like "I don't think" or "it's unlikely" for everyday communication.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cannot be supposed" functions as a modal construction expressing disbelief or the rejection of an assumption. It indicates that a particular idea or statement should not be considered true or valid. As noted by Ludwig AI, the phrase is grammatically correct and usable in written English.
Frequent in
Academia
40%
Science
35%
News & Media
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "cannot be supposed" is a grammatically sound phrase used to express doubt or to refute an assumption. As Ludwig AI confirms, the phrase is correct and appropriate for use in written English. Primarily found in academic and scientific contexts, it serves to introduce counterarguments or to question the validity of claims. While not overly common, its use indicates a formal, reasoned approach to disagreement or skepticism. For less formal situations, alternatives such as "I don't think" or "it's unlikely" may be more suitable.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
cannot be assumed
Expresses that something should not be taken as a given or accepted without proof; it focuses on a lack of justification.
cannot be believed
Emphasizes the incredibility of something, suggesting it's difficult to accept as true.
cannot be imagined
Highlights the difficulty in conceiving or envisioning something, focusing on its implausibility.
is not to be thought
Formally indicates that something should not be considered or entertained as a possibility.
should not be inferred
Focuses on the act of drawing a conclusion, suggesting that a particular conclusion is unwarranted.
cannot be conceived
Indicates an impossibility in understanding or mentally grasping something.
must not be taken for granted
Emphasizes the importance of not overlooking or underestimating something.
is out of the question
Indicates something is completely impossible or unacceptable.
cannot be entertained
Suggests that something should not be considered or allowed as a possibility.
is beyond the realm of possibility
Emphasizes that something is not achievable or realistic.
FAQs
How can I use "cannot be supposed" in a sentence?
The phrase "cannot be supposed" is used to express disbelief or to reject an assumption. For example, "It "cannot be supposed" that the data is entirely accurate given the known limitations of the measurement method."
What is a more informal way to say "cannot be supposed"?
More informal alternatives to "cannot be supposed" include "it's unlikely", "I doubt", or "I don't think". The choice depends on the specific context and the degree of formality required.
Which is correct, "cannot be supposed" or "can't be supposed"?
"Cannot be supposed" is more formal, while "can't be supposed" is a contraction and therefore more informal. Both are grammatically correct, but the appropriate choice depends on the desired tone and context.
What's the difference between "cannot be supposed" and "cannot be assumed"?
While similar, "cannot be supposed" implies a level of reasoned doubt or skepticism, whereas "cannot be assumed" simply means something should not be taken for granted without proof. The best choice depends on whether you want to convey doubt or simply a lack of justification.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested