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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
who could possibly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "who could possibly" is correct and usable in written English.
It can be used to express disbelief or to emphasize the improbability of a situation or action. Example: "Who could possibly believe that such a thing would happen?"
✓ Grammatically correct
News & Media
Science
Alternative expressions(3)
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
Who could possibly know?
News & Media
Who could possibly take offense?
News & Media
Who could possibly sell so much?
News & Media
Who could possibly object?
News & Media
Who could possibly help her?
News & Media
Who could possibly understand this?
News & Media
And who could possibly disagree?
News & Media
But who could possibly believe them?
News & Media
Who could possibly care about that?
News & Media
Who could possibly oppose such a campaign?
News & Media
Who could possibly know this much?
News & Media
Expert writing Tips
Best practice
Use "who could possibly" to express strong disbelief or surprise, especially when responding to an unexpected statement or action. This phrase is most effective when the unlikelihood is obvious.
Common error
Avoid using "who could possibly" in situations that simply require a neutral inquiry. The phrase implies a high degree of skepticism, which may be inappropriate in straightforward questions.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "who could possibly" functions as an interrogative expression used rhetorically to convey disbelief, skepticism, or incredulity. It questions the likelihood or possibility of a particular action, belief, or situation. Ludwig confirms its correct usage.
Frequent in
News & Media
75%
Science
15%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "who could possibly" is a common and grammatically correct expression used to convey strong disbelief or skepticism. It is most frequently found in news and media contexts and serves to rhetorically challenge the plausibility of a statement or situation. Ludwig AI confirms that its standard usage is correct and effective for emphasizing doubt. When using the expression, consider that overuse in neutral contexts may weaken your writing and select the proper synonym in order to minimize the level of semantic transformation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
could anybody possibly
Replaces "who" with "anybody" and retains the emphasis on impossibility, sounding slightly less confrontational.
who on earth could
Emphasizes the speaker's surprise or disbelief more strongly than the original phrase by using "on earth".
who in the world could
Similar to "who on earth could", adds emphasis to the speaker's astonishment.
how could anyone
Directly asks how someone could perform an action, emphasizing the difficulty or implausibility.
who would ever
Focuses on the unlikelihood of someone performing an action or feeling a certain way.
who is capable of
Questions the capability or capacity of someone to do something, often implying a lack of ability.
is it possible that anyone could
Formalizes the question, making it less direct and more analytical.
is there anyone who would
Explores whether anyone would be willing to do something, highlighting potential reluctance.
can anyone imagine
Shifts the focus to the ability to conceive or envision a scenario.
is it conceivable that
Questions whether something is imaginable or believable, focusing on the conceptual aspect.
FAQs
How to use "who could possibly" in a sentence?
Use "who could possibly" to express disbelief or to rhetorically question the likelihood of something. For example, "Who could possibly believe such a far-fetched story?"
What can I say instead of "who could possibly"?
You can use alternatives like "who on earth could", "how could anyone", or "is it possible that anyone could" depending on the context.
Is it correct to say "who can possibly" instead of "who could possibly"?
While "who can possibly" is grammatically correct, "who could possibly" often expresses a greater sense of disbelief or incredulity. "Can" suggests a potential, while "could" emphasizes the improbability.
What's the difference between "who could possibly" and "who would possibly"?
"Who could possibly" is generally used to express disbelief about a current or potential situation. "Who would possibly" often refers to a hypothetical scenario or action that seems unlikely to occur based on someone's preferences or character.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested