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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could be occurred

Grammar usage guide and real-world examples

USAGE 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

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.

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

Fuel

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].

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].

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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

The New Yorker

"Both," Dr. Seshadri said, "could be occurring for a third reason".

News & Media

The New York Times

Thermodynamic parameters of the adsorption system were evaluated, suggesting that chemical interactions could be occurring.

She began to explore how that could be and in what other contexts this experience could be occurring.

This is why second west actively monitors for terrorist activities which could be occurring in our own home!

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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".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Uncommon

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.

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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Source & Trust

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Authority and reliability

1.8/5

Expert rating

Real-world application tested

Most frequent sentences: