Used and loved by millions
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
they are capable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they are capable" is correct and usable in written English.
You can use it to describe someone's ability or potential to do something. Example: "The team has shown that they are capable of achieving great results under pressure."
✓ 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
58 human-written examples
And they are capable.
News & Media
"And they are capable of enormous mobilizations".
News & Media
They are capable of owning their futures.
News & Media
They are capable of doing it".
News & Media
But they are capable of violence.
News & Media
"They are capable of moving on".
News & Media
They are capable of voting, and they own their decisions.
News & Media
"They are capable of replicating the Iraqi code," he said.
News & Media
They have to show now what they are capable of".
News & Media
And yet they are capable of extraordinary skill and dexterity.
News & Media
"You see in their eyes what they are capable of.
News & Media
Expert writing Tips
Best practice
Use "they are capable" when you want to express that a group or individuals possess the necessary skills, qualities, or resources to achieve a specific outcome. Ensure the context clearly defines what they are capable of doing.
Common error
Avoid using "they are capable" without specifying what the subject is capable of. For example, instead of just saying "they are capable", specify "they are capable of handling complex projects" to provide clarity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they are capable" functions as an adjective phrase indicating the subject's inherent ability or potential. Ludwig's examples show that it is used to express that individuals or groups possess the necessary qualities, skills, or resources to achieve a specific outcome.
Frequent in
News & Media
46%
Science
45%
Formal & Business
3%
Less common in
Encyclopedias
0%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "they are capable" is a common and grammatically sound way to express that a group or individual possesses the necessary abilities, skills, or resources to achieve a specific outcome. As Ludwig AI confirms, this phrase is widely used across various contexts, particularly in news, media, and scientific writing. To ensure clarity, it's important to specify what the subject is capable of. Alternatives such as "they are able to" or "they possess the ability" offer similar meanings, but slightly different nuances. With a neutral register, "they are capable" fits well in professional and general discourse, marking it as a versatile and reliable phrase in written and spoken English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they are able to
A more direct and simple synonym for capability.
they possess the ability
Replaces the adjective with a noun phrase, emphasizing the inherent ability.
they are competent
Emphasizes the required skills and abilities.
they have the potential
Focuses on unrealized possibility rather than current ability.
they are qualified
Stresses the fulfillment of necessary conditions or criteria.
they are equipped to
Highlights preparedness and resources for a task.
they are proficient
Focuses on advanced skill and expertise.
they are up to the task
Idiomatic expression indicating readiness and ability to handle a challenge.
they are equal to
Suggests the group being spoken of meets the requirements for a certain task.
they are ingenious
Highlights innovation and ability.
FAQs
What does "they are capable" mean?
The phrase "they are capable" means that a group or individuals have the ability, skill, or potential to do something. It suggests competence and the possession of necessary qualities or resources.
How can I use "they are capable" in a sentence?
You can use "they are capable" to describe someone's ability to perform a specific task or achieve a certain outcome. For example, "The team has shown that "they are capable" of achieving great results under pressure."
What can I say instead of "they are capable"?
You can use alternatives like "they are able to", "they possess the ability", or "they are competent" depending on the context.
Is it correct to say "they are capable to" instead of "they are capable of"?
No, the correct preposition to use with "capable" is "of". Therefore, the correct phrase is "they are capable of". Saying "they are capable to" is grammatically incorrect.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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