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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
that may exist
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that may exist" is correct and usable in written English.
It can be used to refer to possibilities or hypothetical situations regarding the existence of something. Example: "We should consider all factors that may exist before making a final decision."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Formal & Business
Wiki
Alternative expressions(20)
that may arise
that might exist
that is conceivable
that may emerge
that may happen
that may occur
that may arrive
that is possible
that may place
that can take place
that may result
that could arise
that may produce
that may erupt
that tends to happen
that may generate
that might happen
that might be
that might arrive
that might succeed
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
Any barriers that may exist, exist only in people's minds.
News & Media
"We believe that the tribunal is addressing any deficiency that may exist," he said.
News & Media
In addition to fees, relationships that may exist among the different providers are noted.
News & Media
Extraterrestrial life, life that may exist or may have existed in the universe outside of Earth.
Encyclopedias
At the least, they are ill informed about more healthful possibilities that may exist in their neighborhoods.
News & Media
Write a paper exploring the possible conflicts of interest that may exist when a company owns several different media outlets.
News & Media
"I want to remove any question that may exist regarding my compliance with federal law," he wrote.
News & Media
The gap that may exist between a bank's policy and real life is something I learned the hard way.
News & Media
"Clair is designed to help you identify insecure packages that may exist in your containers".
News & Media
Life in ice layers that may exist ∼100gcm−2 below the surface would be well protected.
Science
This chapter introduces the inheritance relationship that may exist between classes.
Expert writing Tips
Best practice
Consider replacing "that may exist" with stronger alternatives like "that likely exists" if evidence suggests a higher probability.
Common error
Avoid using "that may exist" excessively in your writing, as it can make your statements sound weak or indecisive. Balance uncertainty with confidence by using more definitive language when appropriate.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that may exist" functions as a relative clause, modifying a noun or noun phrase by specifying a condition of potential existence. It introduces an element of uncertainty or possibility, as confirmed by Ludwig.
Frequent in
Science
37%
News & Media
30%
Formal & Business
5%
Less common in
Encyclopedias
3%
Wiki
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "that may exist" is a versatile relative clause used to express uncertainty or possibility regarding the existence of something. As confirmed by Ludwig, it is grammatically correct and appears frequently in various contexts, particularly in science and news media. While useful for hedging claims and exploring hypothetical scenarios, it's essential to avoid overuse and replace it with more direct language when appropriate. Related phrases include "that might exist" and "that could exist". Remember to balance uncertainty with confidence for effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that might exist
Replaces 'may' with 'might', suggesting a slightly lower probability.
that could exist
Substitutes 'may' with 'could', indicating a potential but uncertain existence.
that potentially exists
Adds 'potentially' to emphasize the possibility of existence.
that possibly exists
Uses 'possibly' to highlight the uncertainty of existence.
that is conceivable
Replaces the entire phrase, referring to something imaginable or possible.
that is likely to exist
Indicates a higher probability of existence.
that is hypothesized
Implies the existence is part of a theory or hypothesis.
that is rumored to exist
Conveys the existence is based on unverified information or rumors.
that is speculated to exist
Suggests the existence is a matter of speculation or conjecture.
that remains unknown
Indicates the existence is uncertain due to a lack of knowledge.
FAQs
How can I use "that may exist" in a sentence?
The phrase "that may exist" is used to refer to potential or hypothetical things. For example, "Consider any risks "that may arise" during the project."
What's a more concise way to say "that may exist"?
Depending on the context, you could use alternatives like "potential", "possible", or rephrase the sentence to be more direct. For example, instead of "problems that may exist", try "potential problems".
Is it ever wrong to use "that may exist"?
While grammatically correct, "that may exist" can weaken your writing if overused. If you're confident something exists, use a stronger phrase. If the existence is highly uncertain, alternatives like "that is hypothesized" or "that is speculated" may be appropriate.
What's the difference between "that may exist" and "that does exist"?
"That may exist" indicates uncertainty or possibility, while "that does exist" asserts a confirmed fact. Choose the phrase that accurately reflects your level of confidence in the existence of something.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested