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
may have manifested
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "may have manifested" is correct and usable in written English.
It can be used to indicate that something might have appeared or become evident in the past, but it is uncertain. Example: "The symptoms may have manifested earlier than we initially thought."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(17)
might have appeared
could have emerged
could have appeared
might have emerged
could have been demonstrated
may have indicated
may have implemented
may have characterized
may have existed
may have seemed
may have suggested
may have transformed
may have materialized
may have been
may have spoken
may have succeeded
may have changed
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
10 human-written examples
In other words, the psychological suffering of the mood disorder may have manifested itself in a very real pain of the migraine that was much easier to express.
News & Media
Hence the association of headache with depression in our population, though not apparent in HADS-D, may have manifested in HADS-cAD.
This initial jump followed by subsequent decreases may have manifested itself in a negative effect in the reading model when, in fact, the gap was consistent across the last decade for reading as it was for science and mathematics.
A desire to see violent things happen to other people, she said, "may have manifested itself over time to tell us what practices and what people to avoid, and we rubberneck because we don't want to do the bad thing".
News & Media
This suite may have manifested in aging hunters in humans' foraging past, who were marginalized by their declining skills, and may continue to appear in alienated members of today's society.
Wiki
This suggests that the ancient foraging ancestors to us all may have manifested preclinical AD to a larger degree than the modern human population at large.
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
"It may not have manifested yet to the average fan, the average person," Alderson said, "but I think we are more active than we were last year.
News & Media
CDC officials asserted that Hannah had a pre-existing disease, a rare genetic glitch in her mitochondria, that may well have manifested as "features of autism" on its own, perhaps even without an environmental trigger.
News & Media
Following auditory training, improvements in vocal accuracy may not have manifested until some time after our last behavioral testing session.
Science
Alternatively, the potential efficacy and biomarker effects of the antibodies may not have manifested due to limitations in dosing levels or frequency and the failure to achieve efficacious brain concentrations.
Physicians may also have been recognizing and treating children with sepsis earlier in their illness course, at a point when they may not yet have manifested the physiologic and laboratory derangements required by consensus criteria.
Science
Expert writing Tips
Best practice
Use "may have manifested" to cautiously suggest a potential outcome or appearance, especially when definitive proof is lacking. For instance, "The latent effects of the policy changes "may have manifested" in the recent economic downturn."
Common error
Avoid using "may have manifested" when you possess concrete evidence. If certainty exists, opt for stronger verbs like "demonstrated" or "proved" rather than implying a possibility.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "may have manifested" functions as a modal verb phrase expressing a possibility or conjecture about a past event or condition. It suggests that something could have become evident or apparent, but without absolute certainty. Ludwig confirms that it is correct and usable in written English.
Frequent in
Science
50%
News & Media
30%
Wiki
10%
Less common in
Encyclopedias
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "may have manifested" is a grammatically sound way to express a possibility that something has become apparent or evident in the past. While Ludwig AI confirms its correctness, the phrase is most frequently used in scientific, news, and wiki contexts, indicating a neutral to formal register. When writing, remember to use it when expressing uncertainty, and avoid it when you have definitive proof. Alternatives include "might have appeared" and "could have emerged", offering similar shades of meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
might have surfaced
Replaces "manifested" with "surfaced", implying something has come to light.
could have appeared
Substitutes "may" with "could" and "manifested" with "appeared", suggesting a possibility of appearance.
might have emerged
Uses "emerged" instead of "manifested", suggesting something has come into existence or become known.
could have been expressed
Replaces "manifested" with "been expressed", focusing on the communication or display of something.
might have revealed itself
Adds "itself" for emphasis and replaces "manifested" with "revealed", indicating a disclosure.
could have shown itself
Similar to "revealed itself", but uses "shown" for a more direct visual appearance.
might have become apparent
Replaces "manifested" with "become apparent", highlighting the process of becoming clear or visible.
could have turned up
An informal alternative suggesting that something might have unexpectedly appeared.
might have materialized
Replaces "manifested" with "materialized", suggesting something has taken physical form.
could have been demonstrated
Focuses on the act of demonstrating or proving something, rather than simply appearing.
FAQs
How can I use "may have manifested" in a sentence?
"May have manifested" is used to suggest a possibility that something has become apparent. For example, "The underlying issues "may have manifested" as behavioral problems."
What are some alternatives to "may have manifested"?
Alternatives include "might have appeared", "could have emerged", or "might have revealed itself", depending on the specific nuance you wish to convey.
Is it correct to say "might have manifested" instead of "may have manifested"?
Yes, "might have manifested" is grammatically correct and conveys a similar meaning to "may have manifested". Both suggest a possibility, but "might" can sometimes imply a slightly lower probability.
What's the difference between "may have manifested" and "has manifested"?
"May have manifested" suggests a possibility or uncertainty about something becoming apparent, while "has manifested" indicates that something has definitely become apparent. The choice depends on the certainty of the statement.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested