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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could not explain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could not explain" is correct and usable in written English.
You can use it when indicating an inability to provide a clear or satisfactory explanation for something. Example: "When asked about the sudden changes in the project, she could not explain her reasoning."
✓ Grammatically correct
News & Media
Science
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
57 human-written examples
She could not explain it.
News & Media
Nutrition could not explain it.
News & Media
She could not explain, she said.
News & Media
Mr. Ledet could not explain it.
News & Media
She could not explain his criminal past.
News & Media
Others could not explain the contradiction.
News & Media
I could not explain that.
News & Media
Doctors could not explain it.
News & Media
He could not explain why.
News & Media
He could not explain much.
News & Media
today -- but could not explain why.
News & Media
Expert writing Tips
Best practice
When using "could not explain", ensure the context clearly indicates what could not be explained and why it's relevant to the discussion. For instance, specify the event, reason, or phenomenon that defies explanation.
Common error
Avoid using "could not explain" in contexts where active voice would be more direct and engaging. Instead of "the error could not be explained", consider "they could not explain the error".
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could not explain" functions as a verbal phrase expressing an inability or failure to provide a reason, cause, or justification for something. As Ludwig AI explains, it's frequently used in news and media, as well as scientific contexts to highlight gaps in understanding.
Frequent in
News & Media
43%
Science
40%
Wiki
3%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "could not explain" is a versatile phrase used to express an inability to provide a clear explanation or understanding of something. As Ludwig AI confirms, the phrase is grammatically correct and sees frequent use across diverse contexts, particularly in News & Media and Science. While alternatives like "was unable to clarify" or "couldn't account for" exist, "could not explain" remains a straightforward and widely accepted way to convey a lack of explanation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was unable to clarify
Emphasizes the lack of ability to make something clear or understandable.
couldn't account for
Focuses on the inability to provide a satisfactory reason or justification.
failed to elucidate
Highlights a lack of success in making something comprehensible.
was at a loss to explain
Indicates a state of being perplexed and unable to provide an explanation.
could not comprehend
Focuses on a lack of understanding rather than the ability to articulate it.
remained unexplainable
Shifts the focus to the inherent nature of something being difficult to explain.
defied explanation
Similar to 'remained unexplainable' but with a stronger emphasis on resisting any attempts to explain.
couldn't give a reason for
Highlights the lack of a stated cause or rationale.
was unable to rationalize
Focuses on the inability to find a logical basis or justification.
could not offer an explanation
Emphasizes the lack of a provided explanation, whether due to inability or unwillingness.
FAQs
How can I use "could not explain" in a sentence?
You can use "could not explain" to indicate an inability to provide a reason or understanding for something. For example, "The witness "could not explain" what he saw that night."
What can I say instead of "could not explain"?
You can use alternatives like "was unable to clarify", "couldn't account for", or "failed to elucidate" depending on the context.
Which is correct, "could not explain" or "could not explained"?
"Could not explain" is the correct form. "Could not explained" is grammatically incorrect because "explain" should be in the base form after "could".
What's the difference between "could not explain" and "refused to explain"?
"Could not explain" implies an inability to provide an explanation, while "refused to explain" indicates a deliberate choice not to provide one, regardless of ability.
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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