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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
can be challenged
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'can be challenged' is correct and usable in written English.
You can use it when you want to suggest that something should be questioned or disputed. For example, "The conventional wisdom that bigger companies always outperform smaller ones can be challenged."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
is willing to challenge
is likely to challenge
can be assaulted
can be ignited
is up for discussion
can be intercepted
can be opposed
is susceptible to challenge
is subject to constraints
is open to challenge
is free to challenge
remains unproven
is subject to appeal
can be encouraged
can be invalidated
is open to dispute
is under scrutiny
is liable to be contested
can be questioned
is contestable
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
60 human-written examples
Sometimes a ruling can be challenged.
News & Media
But once more, that can be challenged.
News & Media
"If businesses make a claim they can be challenged.
News & Media
Any competitors you encounter can be challenged to impromptu races.
News & Media
Suspect efforts to participate can be challenged by other caucusgoers.
News & Media
This argument can be challenged on two counts.
News & Media
The general knowledge can be challenged by this particular knowledge.
News & Media
Voters in Missouri can be challenged at any time.
News & Media
Arguments can be challenged on evidence or logic, but a caricature will have none of it.
News & Media
Even when candidates follows all the rules, their petitions can be challenged by a competitor.
News & Media
The decision was final within the department and can be challenged only through the courts.
News & Media
Expert writing Tips
Best practice
Use "can be challenged" to introduce a viewpoint or assertion that is not universally accepted and is open to discussion or proof. For example, instead of saying "This is true", consider "This assumption can be challenged" to encourage critical thinking.
Common error
Avoid using "can be challenged" excessively in passive constructions, which can make your writing sound weak or evasive. Consider rephrasing to use active voice when appropriate; for instance, instead of "The data can be challenged", try "Researchers can challenge the data" to show who is doing the challenging.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "can be challenged" functions as a modal verb phrase indicating possibility or permissibility, specifically the potential for something to be questioned, disputed, or opposed. Ludwig AI confirms the grammatical correctness of the phrase.
Frequent in
News & Media
45%
Science
40%
Formal & Business
5%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "can be challenged" is a grammatically correct and frequently used modal verb phrase that serves to introduce uncertainty or invite critical evaluation. Ludwig AI confirms that the phrase is suitable for use in written English. It is most commonly found in news, science, and formal business contexts, indicating a register that ranges from neutral to formal. When writing, use this phrase to present statements that are open to discussion, scrutiny, or alternative viewpoints. Be mindful of overusing passive constructions to maintain clarity and impact. Related phrases such as "is open to question" or "is subject to dispute" can offer nuanced alternatives. The prevalence of this phrase across authoritative sources highlights its importance in reasoned discourse.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is subject to dispute
This alternative emphasizes disagreement or contention, highlighting the adversarial nature of the challenge.
is liable to be contested
This phrase suggests a probability of being disputed or challenged, adding a sense of potential conflict.
can be refuted
This suggests the possibility of proving something wrong or false, emphasizing disproof.
is open for debate
This focuses on something being subject to discussion and argument, highlighting different viewpoints.
is open to question
This alternative focuses on whether something is uncertain or not yet determined, differing slightly from a direct challenge.
can be invalidated
This emphasizes the act of making something void or without legal force, a strong form of challenge.
is susceptible to scrutiny
This alternative highlights the vulnerability of something to examination and criticism.
can be opposed
This focuses on the act of resisting or acting against something, showing direct contrast.
is questionable
This focuses on the doubtfulness or uncertainty of something, less direct than a challenge.
can be undermined
This suggests weakening or damaging something, indirectly challenging its validity or strength.
FAQs
How can I use "can be challenged" in a sentence?
You can use "can be challenged" to indicate that a statement, idea, or claim is not necessarily true or correct and is open to scrutiny or opposition. For instance, "The validity of the research findings "can be challenged" due to methodological limitations".
What are some alternatives to "can be challenged"?
Alternatives to "can be challenged" include "is open to question", "is subject to dispute", or "is liable to be contested", depending on the specific nuance you want to convey.
When is it appropriate to use "can be challenged" in writing?
It is appropriate to use "can be challenged" when you want to suggest that a statement or assumption is not definitive and might be questioned, debated, or disproven. This often occurs in academic, legal, or argumentative writing.
What's the difference between "can be challenged" and "should be challenged"?
"Can be challenged" implies a possibility or an option for something to be questioned, while "should be challenged" suggests a recommendation or obligation for something to be questioned. The former is descriptive, while the latter is prescriptive.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested