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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
are they capable of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are they capable of" is correct and usable in written English.
You can use it when inquiring about someone's abilities or potential to perform a specific task or action. Example: "I wonder if they are capable of completing the project on time given the tight deadline."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
20 human-written examples
But are they capable of making such a deal?
News & Media
How big are the turbines used in these farms, and how much energy are they capable of generating?
News & Media
"The U.A.V.'s being utilized by the State Department are not armed, nor are they capable of being armed".
News & Media
Plus, very few camels attend planning meetings, still less are they capable of forming coherent objections to your masterplan for a desert metropolis.
News & Media
"But are they capable of it?" If government-owned suites are nothing new, neither is outrage over the idea of officials living large at taxpayer expense.
News & Media
It has developed a "closed loop" calculator providing a simple way to measure the 10 important credentials of circular products: can they be rented or repaired, and are they capable of disassembly into component parts, for example?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
Were they capable of such thought processes?
News & Media
Nor were they capable of analyzing IOM (Biemann, 2007).
Science
That is, they are capable of self-governance.
Science
Weren't they capable of making that assessment themselves?
News & Media
They will definitely want to reach the final and that's something they are capable of.
News & Media
Expert writing Tips
Best practice
Use "are they capable of" when you want to inquire about someone's general ability or potential to do something, especially when the task requires a specific skill or quality.
Common error
Avoid using "are they capable of" when a simpler question of possibility or willingness is more appropriate. For instance, instead of asking "are they capable of attending the meeting?", consider "can they attend the meeting?" or "will they attend the meeting?" for clearer communication.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are they capable of" functions as an interrogative expression used to inquire about someone's or something's ability or potential to perform a specific action or task. This is supported by Ludwig's examples showcasing its use in various contexts.
Frequent in
News & Media
80%
Science
10%
Formal & Business
5%
Less common in
Wiki
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "are they capable of" is a grammatically sound and frequently used phrase to question someone's ability or potential. As Ludwig AI confirms, it's suitable across different contexts, particularly in News & Media. When using it, consider simpler alternatives like "can they" for informal settings and ensure your question focuses on inherent abilities rather than mere possibilities. Understanding the nuance between capability and willingness is key to its effective use.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
can they
Direct and simple way of asking about capability.
are they able to
Simple substitute that focuses on general ability.
can they handle
Focuses more on the practical ability to manage or deal with something.
are they competent to
Stresses the required level of skill or knowledge.
do they have the ability to
Emphasizes the inherent skill or talent required.
are they qualified for
Emphasizes having the necessary credentials or experience.
are they equipped to
Highlights the resources or preparation needed for a task.
are they up to
A more informal way to ask if someone is equal to the task or challenge.
are they equal to
Highlights if they can cope with the expected level of performance.
are they in a position to
Focuses on whether circumstances allow them to do something.
FAQs
How do I use "are they capable of" in a sentence?
Use "are they capable of" to ask if someone or something possesses the ability or qualities needed for a specific task or action. For example, "Are they capable of managing a large team?"
What can I say instead of "are they capable of"?
You can use alternatives like "are they able to", "can they", or "do they have the ability to" depending on the context.
Is "are they capable of" formal or informal?
"Are they capable of" is generally considered neutral in tone, suitable for both formal and informal contexts. However, simpler alternatives like "can they" might be preferred in very informal settings.
Which is correct, "are they capable of" or "are they able to"?
Both "are they capable of" and "are they able to" are grammatically correct. "Are they capable of" often implies a higher degree of skill or inherent quality, while "are they able to" is a more general question 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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested