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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could be occurred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'could be occurred' is not correct in written English.
The correct form of this phrase is 'could have occurred'. You could use it to describe a situation where something could have happened, but did not. Example: The accident could have occurred, but luckily the drivers reacted quickly and avoided a collision.
⚠ May contain grammatical issues
Science
Engineering
Academia
News & Media
Formal & Business
Alternative expressions(15)
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
Moreover the simulation of the blade with final crack conformed that the ductile fracture could be occurred under these stresses.
Science
Due to the commutation failure, the power transfer interruption, dc voltage drop and severe voltage fluctuation in the AC system could be occurred.
In a sodium-cooled fast reactor, a sodium-water reaction (SWR) could be occurred at pressure boundaries between the two separated systems, the steam Rankine cycle and the sodium coolant system, which results in a serious problem in the system.
SEM/EDS and XRD analyses showed that a high level of sulphate and jarosite precipitations could be occurred at the initial pH of 2 when 0.05 M ferrous iron addition and 9 K nutrient medium were used.
Science
The precursor was not able to decompose into ZnO after calcination at 300 °C, because precursor decomposition could be occurred from 360 to 420 °C [20].
Science
The range of particle size increases with fluence ratio because the nucleation of particles could be occurred until the final constant condensation temperature is reached [21].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
And by the twenty-eighties it could be occurring as often as once every four years.
News & Media
"Both," Dr. Seshadri said, "could be occurring for a third reason".
News & Media
Thermodynamic parameters of the adsorption system were evaluated, suggesting that chemical interactions could be occurring.
Science
She began to explore how that could be and in what other contexts this experience could be occurring.
Academia
This is why second west actively monitors for terrorist activities which could be occurring in our own home!
Expert writing Tips
Best practice
Always use "could have occurred" when referring to a potential past event. This is the grammatically correct construction.
Common error
Avoid using "could be occurred" because it incorrectly applies a passive voice construction. Instead, use the correct past perfect modal form: "could have occurred".
Source & Trust
83%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could be occurred" aims to express a possibility of a past event, but it fails to do so grammatically. As Ludwig AI indicates, the correct form is "could have occurred". This construction functions as a modal perfect, indicating a potential action in the past.
Frequent in
Science
50%
News & Media
20%
Academia
20%
Less common in
Formal & Business
10%
Engineering
10%
Unknown
0%
Ludwig's WRAP-UP
In summary, while the phrase "could be occurred" appears in some sources, it is grammatically incorrect. The correct form is "could have occurred", which expresses the possibility of a past event. Ludwig AI highlights this grammatical error, advising the use of the proper modal perfect construction. Despite its presence in various contexts, including science, news, and academia, its incorrectness makes it unsuitable for formal writing. Remember to use "could have occurred" or other alternatives to convey your intended meaning accurately.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
could have occurred
Uses the correct past participle form to indicate a possible past event.
might have happened
Employs 'might' for possibility and 'happened' for a past event.
may have taken place
Replaces 'occurred' with 'taken place' while retaining the sense of possibility.
could potentially happen
Adds 'potentially' to emphasize the possibility of the event.
it is possible that it happened
Uses a more explicit and formal structure to express the possibility.
it is conceivable that it took place
A more formal alternative, replacing 'possible' with 'conceivable'.
it's plausible that it transpired
Uses 'plausible' and 'transpired' for a more sophisticated tone.
it's imaginable that it materialized
Emphasizes the event becoming real or concrete.
it is within the realm of possibility that it ensued
A formal and emphatic way to express possibility and sequence.
the potential for it to arise existed
Focuses on the pre-existing potential for the event to happen.
FAQs
What is the correct way to say "could be occurred"?
The correct way to phrase this is "could have occurred". For example, "The accident "could have occurred" if the driver wasn't paying attention".
Is "could be occurred" grammatically correct?
No, "could be occurred" is grammatically incorrect. The auxiliary verb "be" should be followed by the past participle in the passive voice but "occurred" needs "have" to correctly construct the modal perfect.
When should I use "could have occurred"?
Use "could have occurred" when you want to express the possibility that something happened in the past. It indicates a potential event that may or may not have actually taken place.
What are some alternatives to "could have occurred"?
Alternatives include "might have happened", "may have taken place", or "could potentially happen", depending on the specific nuance you want to convey.
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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
83%
Authority and reliability
1.8/5
Expert rating
Real-world application tested