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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 be questioned
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could be questioned" is correct and usable in written English.
It can be used when discussing something that may be subject to doubt or scrutiny. Example: "The validity of the research findings could be questioned due to the small sample size."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
is open to doubt
called into question
is called into question
is subject to scrutiny
is up for debate
warrants further investigation
could be referred
could be discussed
could be concerned
could be question
could be spoke
could be challenged
could be hurt
could be said
could be automated
could be seen
could be trusted
could be treated
possibly be asked
might be requested
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
58 human-written examples
They could be questioned if a sample came up positive.
News & Media
He noted that Verrazano's ability to go the distance could be questioned.
News & Media
The presenter could be questioned by officers from London's Metropolitan police in the next few days.
News & Media
The sanity of that decision could be questioned on many levels.
News & Media
Whether 'the best' and 'aligned with each other' could be questioned, I guess.
News & Media
You could be questioned about being five minutes late arriving in the morning.
News & Media
It could be questioned whether Heatherwick's design best serves the vision of the bridge.
News & Media
Before he could be questioned, he killed himself in his cell.
News & Media
Brown dismisses criticism that the value of her research on sunglasses could be questioned.
News & Media
He could be questioned again if the joint French-British investigation team decides that it is necessary".
News & Media
The newspaper reported, however, that a more comprehensive review later turned up about 80 officers whose records could be questioned.
News & Media
Expert writing Tips
Best practice
Use "could be questioned" when you want to express a possibility of doubt or scrutiny, but avoid overusing it in contexts where a stronger expression of certainty or doubt is more appropriate. Be mindful of the context and audience to ensure the phrase conveys the intended meaning effectively.
Common error
Avoid using "could be questioned" when you intend to make a definitive statement of fact or strong opinion. This phrase introduces uncertainty, so if your goal is to assert something firmly, choose more direct language.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could be questioned" functions as a modal verb phrase used to express a possibility or suggestion of doubt regarding something. As confirmed by Ludwig AI, this phrase introduces an element of uncertainty or invites scrutiny of a particular aspect or claim.
Frequent in
Science
46%
News & Media
45%
Formal & Business
3%
Less common in
Wiki
1%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "could be questioned" is a modal verb phrase used to introduce doubt or suggest scrutiny. Ludwig AI confirms that the phrase is grammatically correct and usable in written English. It's very commonly found in News & Media and Science. While alternatives like "might be challenged" or "is open to doubt" exist, the best choice depends on the specific context. It's crucial to avoid using it in assertive contexts where a stronger statement is needed. By understanding its function, purpose, and register, you can effectively employ "could be questioned" to convey the intended level of uncertainty or invitation for further evaluation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
might be challenged
Expresses a similar level of possibility of being challenged or doubted, using "might" instead of "could".
may be doubted
Indicates a possibility of doubt, focusing on the act of doubting something.
can be doubted
Implies a general possibility that something is open to doubt or skepticism.
is open to doubt
Focuses on the state of something being susceptible to doubt or uncertainty.
is called into question
Emphasizes that something's validity or truth is actively being challenged.
is subject to scrutiny
Highlights the aspect of being examined closely and critically.
is potentially disputable
Emphasizes the potential for disagreement or argument about something.
is liable to be challenged
Indicates a probability or risk of being challenged.
is up for debate
Highlights that something is currently being discussed and argued about.
warrants further investigation
Suggests that something deserves a more in-depth examination due to potential issues or uncertainties.
FAQs
How can I use "could be questioned" in a sentence?
Use "could be questioned" to indicate that something's validity, accuracy, or reliability is open to doubt or scrutiny. For example, "The validity of the results "could be questioned" due to the small sample size."
What are some alternatives to "could be questioned"?
Alternatives include phrases like "may be doubted", "might be challenged", or "is open to doubt", depending on the specific nuance you want to convey.
Is it better to use "could be questioned" or "should be questioned"?
"Could be questioned" suggests a possibility or potential for doubt, while "should be questioned" implies a stronger recommendation or necessity for scrutiny. The choice depends on whether you're indicating a possibility or advocating for examination.
What's the difference between "could be questioned" and "called into question"?
"Could be questioned" indicates a potential for doubt, whereas "called into question" implies that something is actively being doubted or challenged. The latter suggests a more direct and immediate challenge.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested