Used and loved by millions
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
would have existed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"would have existed" is a correct and usable phrase in written English.
It is used to refer to something that was not real or did not happen in the past, but could have happened if certain conditions were met. Example: If humans had not polluted the earth, many species that are now extinct would have existed today.
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(16)
could have materialized
could have emerged
would have separated
would have characterized
would have arisen
would have prevailed
would have maintained
would have expressed
would have persisted
would have exercised
would have constituted
would have incorporated
would have operated
would have sustained
would have discontinued
would have examined
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
Our manager, he's the CEO of it, and I don't think the school would have existed or had the inertia to come into existence without him.
News & Media
Had it lacked a sufficient reason to explain its existence (and implicitly its contingency), the world for Leibniz would have existed of necessity.
Encyclopedias
Let's say inhospitality would have existed.
News & Media
In other words, within the genus Homo, three shoulders would have existed.
Science
There was justice in that view, since the contracts would have existed even without the merger.
News & Media
Some of these family divisions would have existed even without Trump.
News & Media
"Without Bowie, I don't know how Spandau Ballet would have existed.
News & Media
Still, he said, "the pressure would have existed even if there hadn't been these warnings from the agencies".
News & Media
If it were not for the Enterprise's ground and flight tests, none of those others would have existed.
News & Media
Neither the Beatles nor Roxy Music would have existed, never mind shaped pop culture, had there been prohibitive college fees.
News & Media
"It's not clear whether we would have existed without Olin's support," said Eugene Meyer, the society's president.
News & Media
Expert writing Tips
Best practice
Use "would have existed" to speculate about past possibilities and hypothetical scenarios. Ensure the context clearly indicates the conditions under which something might have been different.
Common error
Avoid using "would have existed" when a simpler past tense form like "existed" is more appropriate. Reserve it for situations involving conditional or hypothetical pasts.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "would have existed" functions as a conditional past perfect, indicating a hypothetical situation in the past that did not actually occur. It suggests that something could have been real or present under different circumstances. Ludwig AI confirms this usage through numerous examples.
Frequent in
News & Media
45%
Science
35%
Academia
10%
Less common in
Encyclopedias
3%
Wiki
2%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "would have existed" is a versatile grammatical tool for expressing hypothetical scenarios in the past. As confirmed by Ludwig AI, its function is to posit an alternative past reality, exploring what could have been under different conditions. Predominantly found in News & Media and Scientific contexts, the phrase maintains a neutral register suitable for academic discussions. While grammatically sound and commonly used, it is important to employ "would have existed" only when a conditional or hypothetical past is intended, avoiding its misuse in place of simpler past tense forms. Alternatives such as "could have been present" or "might have come to be" can offer nuanced variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
could have been present
Emphasizes the possibility of something's presence rather than its entire existence.
might have come to be
Focuses on the process of becoming, suggesting a gradual development.
may have been in place
Suggests a state of being established or operational.
could have materialized
Highlights the actualization or realization of something from a potential state.
might have been around
Offers a more informal way to express existence or presence.
may have been available
Implies existence with an added condition of accessibility or usability.
could have been established
Emphasizes the act of setting up or founding something.
might have taken shape
Suggests a gradual process of formation or development.
may have been created
Highlights the act of creation or origination.
could have emerged
Implies the act of coming into existence or becoming known.
FAQs
How can I use "would have existed" in a sentence?
Use "would have existed" to describe something that could have been true in the past, given different circumstances. For example: "Without that discovery, this technology never "would have existed"".
What are some alternatives to "would have existed"?
Depending on the specific meaning you want to convey, consider alternatives like "could have been present", "might have come to be", or "may have been in place".
Is "would have existed" grammatically correct?
Yes, "would have existed" is grammatically correct. It is the conditional perfect tense of the verb 'to exist', used to describe hypothetical past situations.
What's the difference between "would have existed" and "existed"?
"Existed" describes a state that actually occurred in the past. "Would have existed" describes a state that could have occurred, but did not, under different circumstances.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested