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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could not be determined
Grammar usage guide and real-world examplesUSAGE SUMMARY
"could not be determined" is a correct and usable phrase in written English.
You can use it when something is unknown or uncertain. For example, "The cause of the fire could not be determined."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
could not be established
was impossible to determine
could not be bent
could not be administered
could not be realised
could not be quantified
could not be identified
could not be examined
the answer eluded us
could not be verified
remained unclear
remained unresolved
could not be acknowledged
definitively unknown
could not be decided
the details were unclear
could not be confirmed
impossible to determine
remained unknown
the answer was elusive
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
56 human-written examples
The death toll could not be determined.
News & Media
Its fate could not be determined.
News & Media
His whereabouts could not be determined.
News & Media
Mr. Fawcett's concerns could not be determined.
News & Media
The gender of one body could not be determined.
News & Media
The names of the lawmakers could not be determined.
News & Media
Merrill's plans for replacing Ms. Callies could not be determined.
News & Media
The identity of that driver could not be determined.
News & Media
Two more died of causes that could not be determined.
News & Media
Whether he was sincere or ironic could not be determined.
News & Media
The exact size of the investment could not be determined.
News & Media
Expert writing Tips
Best practice
Use this phrase when reporting findings in academic or scientific papers, especially when documenting limitations in your data or methodology.
Common error
Avoid overusing passive constructions like "could not be determined" throughout your writing. Sometimes, actively stating what actions were taken to attempt determination can make your writing more engaging and informative.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could not be determined" functions as a modal passive construction, indicating an inability to ascertain or establish something. Ludwig AI confirms its grammatical correctness and usability. It is typically used to report on findings where definitive conclusions are lacking.
Frequent in
Science
41%
News & Media
57%
Formal & Business
1%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "could not be determined" is a versatile and correct phrase that is used to indicate that something is unknown or uncertain. Ludwig AI confirms this. It is commonly found in scientific reports and news articles to report on information that could not be definitively established. When using this phrase, ensure you clarify what specific aspect remains unknown. While grammatically sound, avoid overusing passive constructions. As illustrated by Ludwig, various alternatives such as "could not be ascertained" or "remained unclear" can be used to add variety to your writing. The phrase maintains a neutral to formal register, making it suitable for professional and academic communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
could not be ascertained
Emphasizes a failure in the process of finding something out for certain.
could not be established
Focuses on the inability to prove or set something firmly in place.
remained unresolved
Indicates that an issue or question has not been settled or answered.
definitively unknown
Highlights that something is confirmed to not be known.
impossible to determine
Suggests that it was beyond possible to find a solution.
the answer eluded us
The answer or solution could not be grasped.
information was unavailable
Indicates that access to the relevant data was restricted or non-existent.
details were unconfirmed
Implies that while some information exists, its accuracy is not validated.
the situation was unclear
Focuses on the lack of clarity surrounding a set of circumstances.
not possible to conclude
Highlights that no firm decision or judgment could be reached.
FAQs
How can I use "could not be determined" in a sentence?
Use "could not be determined" when you want to express that something was impossible to find out or establish. For example, "The cause of the error "could not be determined" with the available data."
What are some alternatives to "could not be determined"?
You can use alternatives such as "remained unclear", "could not be ascertained", or "was impossible to determine" to convey a similar meaning.
Is it better to use active or passive voice with "could not be determined"?
While "could not be determined" is in the passive voice and perfectly acceptable, consider if using an active voice construction might provide more clarity or impact. However, in formal reports, passive voice is often preferred. For example, "Researchers "could not determine" the cause."
What does "could not be determined" imply?
The phrase implies that efforts were made to find something out, but these efforts were unsuccessful due to various limitations such as insufficient data, technical difficulties, or other hindering factors.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested