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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
could have perceived
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could have perceived" is correct and usable in written English.
It can be used to express a possibility or hypothetical situation regarding someone's ability to notice or understand something in the past. Example: "If the signs had been clearer, she could have perceived the danger earlier."
✓ Grammatically correct
Health and Quality of Life Outcomes
BMC Oral Health
BMC Pregnancy and Childbirth
The Guardian - Business
The New York Times - Arts
The Guardian
SEP
Emerging Infectious Diseases
BMJ Open
The New York Times
Independent
Vice
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
3 human-written examples
Students could have perceived that as a limitation of physical activities or emotional wellbeing rather than attributes of social functioning which prevented them performing as their peers.
This suggested that school children could have perceived good oral health as a pain-free mouth although the pilot study did not indicate this misconception.
Science
Therefore, it seems difficult to conceptualize how patients or study nurses could have perceived factors associated with elevated gingival crevicular fluid enzyme levels and have let this influence the probability of enrolment.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
But other firms could also have perceived conflicts of interest if they have worked for big investors or they might seek work from them in future.
News & Media
I think he couldn't have perceived how difficult that sometimes was, because I had to lead my own life and make my own mistakes.
News & Media
We scripted Mervyn Day before the Olympic decision – we knew that, either way, the area would be changed by the bid, but we could never have perceived quite how much.
News & Media
Thus this seems to be a common human practice, not restricted to classical Indian civilization, for sometimes we say, for instance, "S is indeed over there, since I see him," and "You couldn't really have perceived S because condition Y does not hold" ("You can't see anyone from this distance").
Science
Although it could be postulated that HCWs may have perceived that they were at greater risk for exposure and may have therefore been more conscientious when filling out questionnaires, we believe that because of the large amount of public awareness of pandemic (H1N1) 2009 at that time, it is unlikely that this group would have been more conscientious than the nonclinical group.
Science
13 14 Provoked or not, there may be situations where patients perceive the doctor as intimidating, condescending or patronising, while the physician does not realise until afterwards that the encounter could have been perceived that way.
Science
The company's behavior could have been perceived as running afoul of the rules.
News & Media
Collins was not pleased because the comment could have been perceived as finger-pointing.
News & Media
Expert writing Tips
Best practice
When writing, use "could have perceived" to indicate that an interpretation or understanding was possible, even if it didn't actually occur. This adds a layer of nuance to your writing.
Common error
Don't use "could have perceived" when a definite perception is intended. Reserve it for expressing potential or hypothetical understanding, not for stating facts.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could have perceived" functions as a modal verb phrase expressing a past possibility or potential action of perceiving. Ludwig AI confirms that it is grammatically correct. It suggests that someone had the ability or opportunity to perceive something, but it's not confirmed whether they actually did.
Frequent in
Science
35%
News & Media
35%
Formal & Business
30%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "could have perceived" is a grammatically sound and usable expression for indicating a past possibility of perception or understanding. Ludwig AI affirms its correctness. While not exceedingly common, it's versatile, appearing across scientific, news, and business contexts. Use it to suggest a potential interpretation or awareness that might have occurred, adding nuance to your writing. Remember, it's best suited for hypothetical scenarios, not definitive statements of fact. Alternatives like ""might have noticed"" or ""may have recognized"" can be used to fine-tune the specific shade of meaning you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might have noticed
Replaces "could" with "might", indicating a slightly lower degree of possibility.
may have recognized
Substitutes "perceived" with "recognized", suggesting a more conscious acknowledgement.
would have seen
Uses "would have" to express a conditional outcome related to visual perception.
might have understood
Replaces "perceived" with "understood", focusing on comprehension rather than mere observation.
could have sensed
Employs "sensed" instead of "perceived", implying an intuitive or non-explicit awareness.
may have detected
Substitutes "perceived" with "detected", indicating a more analytical or investigative form of awareness.
would have realized
Uses "realized" instead of "perceived", suggesting a later understanding or acknowledgment.
might have gathered
Replaces "perceived" with "gathered", focusing on the accumulation of information leading to an understanding.
may have assumed
Substitutes "perceived" with "assumed", implying a conclusion drawn without concrete evidence.
could have believed
Uses "believed" instead of "perceived", focusing on a formed opinion or conviction.
FAQs
How can I use "could have perceived" in a sentence?
Use "could have perceived" to suggest a possible interpretation or understanding of something in the past. For example, "The audience "could have perceived" the ending as either tragic or hopeful".
What are some alternatives to "could have perceived"?
Alternatives include "might have noticed", "may have recognized", or "would have understood" depending on the context.
Which is correct: "could have perceived" or "could perceive"?
"Could perceive" indicates a general ability or possibility, while ""could have perceived"" refers to a specific unrealized possibility in the past. The choice depends on the intended meaning.
What's the difference between "could have perceived" and "would have perceived"?
"Could have perceived" suggests a possibility that didn't necessarily happen, while "would have perceived" suggests a likely perception 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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested