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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 would have
Grammar usage guide and real-world examplesUSAGE SUMMARY
'who would have' is correct and usable in written English.
It is used to express surprise or disbelief about something that did or did not happen. For example: "Who would have thought the company would be so successful?".
✓ Grammatically correct
News & Media
Alternative expressions(20)
contrary to expectations
it was to be expected
who could have imagined
who would have believed
it's hard to believe that
it's surprising that
little did anyone know
against all expectations
contrary to popular belief
who would dare
who would know
who would tell
who would speak
who would think
which is anticipated
who would believe
who would sit
who would manufacture
who would find
how would anyone know
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
59 human-written examples
Who would have imagined?
News & Media
Who would have thought?
News & Media
Who would have known?
News & Media
Who would have guessed?
News & Media
Who would have figured?
News & Media
"Who would have believed that?
News & Media
Who would have thought that?
News & Media
Who would have dreamt it?
News & Media
Who would have thunk it?
News & Media
Who would have suspected it?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Who would have trusted me?
News & Media
Expert writing Tips
Best practice
Use "who would have" to express surprise or disbelief about an unexpected outcome or situation. For example, "Who would have thought that he would win the election?"
Common error
Avoid using "who would have" to express a future possibility. This phrase refers to something in the past that was unexpected. For future possibilities, use "who would" or "who could".
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "who would have" functions as an interrogative expression used to convey surprise, disbelief, or retrospective reflection about an event or situation. As confirmed by Ludwig AI, this phrase is correct and used to express surprise or disbelief. The examples show its usage in various contexts to question unexpected outcomes.
Frequent in
News & Media
85%
Formal & Business
5%
Science
3%
Less common in
Reference
2%
Encyclopedias
2%
Wiki
1%
Ludwig's WRAP-UP
In summary, "who would have" is a versatile and frequently used phrase to express surprise, disbelief, or reflection on unexpected events. Ludwig AI confirms its grammatical correctness and common usage. Its neutral register and prevalence in news and media demonstrate its broad applicability. While similar phrases exist, such as "who could have imagined" or "it's surprising that", "who would have" provides a concise and impactful way to convey astonishment or incredulity about past occurrences.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
who could have imagined
Emphasizes the imaginative aspect of predicting the outcome.
who might have guessed
Highlights the element of guessing or prediction.
who could have foreseen
Focuses on the ability to foresee or anticipate an event.
who would have believed
Directly questions the believability of the situation.
it's hard to believe that
Expresses general disbelief or astonishment.
it's surprising that
Highlights the surprising nature of the event.
little did anyone know
Implies a lack of awareness or foresight.
against all expectations
Indicates the event occurred despite being unlikely.
contrary to popular belief
States the event contradicts common assumptions.
it defies comprehension
Expresses extreme difficulty in understanding the event.
FAQs
How can I use "who would have" in a sentence?
You can use "who would have" to express surprise or disbelief about a past event. For example, "Who would have thought it would rain on our parade?"
What's a more formal way to say "who would have"?
While "who would have" is generally acceptable, you could use phrases like "it is surprising that", "it is unexpected that", or "contrary to expectations" depending on the context.
Is "who would have thought" the same as "who could have thought"?
They are very similar. "Who would have thought" expresses a stronger sense of surprise, while "who could have thought" implies a lack of foresight or anticipation.
What can I say instead of "who would have" when something is obvious in retrospect?
You might say "it was inevitable", "it was bound to happen", or "it was to be expected" to convey that the event, in hindsight, was predictable.
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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
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested