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 required
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they are required" is correct and usable in written English.
You can use it when stating that something is mandatory or necessary for a particular situation or context. Example: "In order to complete the application process, they are required to submit all necessary documents by the deadline."
✓ 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
60 human-written examples
They are required by justice.
News & Media
They are required to be able to bat as well.
News & Media
Not all states participate, though they are required to.
News & Media
They are required to haul their own survival gear.
News & Media
They are required only to take them into account.
News & Media
Since people cannot vote, they are required to express faith.
News & Media
They are required to bring water and bread.
News & Media
But they are required to pull their weight.
News & Media
They are required to be portable and safe.
With limited exceptions, they are required by law to comply.
News & Media
Then they are required to leave Hungarian territory.
News & Media
Expert writing Tips
Best practice
When using "they are required", ensure the context clearly establishes who "they" refers to and what necessitates the requirement. This avoids ambiguity and strengthens the sentence's clarity.
Common error
Avoid using "they are required" in informal conversations or casual writing. Opt for simpler alternatives like "they need to" or "they have to" to maintain a natural tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they are required" functions as a passive construction indicating obligation or necessity imposed upon a subject. Ludwig's examples show it's used to express rules, laws, or conditions that must be followed. As Ludwig AI indicates, the phrase is considered correct and usable.
Frequent in
News & Media
55%
Science
25%
Formal & Business
10%
Less common in
Wiki
5%
Academia
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "they are required" is a grammatically correct and frequently used expression to indicate a mandatory action or condition. As confirmed by Ludwig, it is appropriate for formal settings such as news reporting, scientific writing, and business communication. While it effectively conveys obligation, it should be used judiciously in informal contexts where simpler alternatives might be more suitable. Remember to ensure clarity by explicitly defining "they" and the basis for the requirement. Understanding these nuances will allow for effective and contextually appropriate usage of the phrase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they must
Expresses a stronger sense of obligation or necessity compared to "they are required".
they need to
Indicates a necessity, often implying a practical need rather than a strict rule.
it is mandatory for them
Formal and emphasizes the compulsory nature of the action.
they are obligated
Highlights a formal or legal obligation.
they are bound to
Suggests a commitment or duty, often arising from an agreement or principle.
it is a requirement for them
Focuses on the existence of a prerequisite or condition that must be met.
they are expected to
Implies a strong expectation or social norm, rather than a strict rule.
they have a duty to
Emphasizes a moral or ethical responsibility.
they are under an obligation to
A formal way of stating that someone has a legal or contractual duty.
they are compelled to
Highlights that someone is forced or driven to do something.
FAQs
What can I say instead of "they are required"?
You can use alternatives like "they must", "they need to", or "it is mandatory for them" depending on the context.
How to use "they are required" in a sentence?
Use "they are required" to indicate that a specific group of people must do something due to a rule, law, or necessity. For example: "Students are required to submit their assignments on time."
Is "they are required" formal or informal?
"They are required" is generally considered a formal phrase, best suited for professional, academic, or official contexts. In casual conversation, simpler alternatives like "they need to" are often preferred.
What's the difference between "they are required" and "they are expected to"?
"They are required" implies a strict obligation or rule, while "they are expected to" suggests a strong expectation or social norm. The former carries more weight and implies potential consequences for non-compliance.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested