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
are kept
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are kept" is correct and usable in written English.
It can be used to indicate that something is maintained or stored in a particular state or location. Example: "The important documents are kept in a secure filing cabinet to ensure their safety."
✓ Grammatically correct
News & Media
Academia
Encyclopedias
Alternative expressions(7)
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 kept busy.
News & Media
Bees also are kept.
Encyclopedias
Bibles are kept hidden.
News & Media
Logs are kept daily, etc.
News & Media
The proceedings are kept secret.
News & Media
Expectations are kept in check.
News & Media
The shades are kept drawn.
News & Media
Now, visitors are kept out.
News & Media
Problems are kept private.
News & Media
They are kept watered.
News & Media
Owners are kept away.
News & Media
Expert writing Tips
Best practice
When using "are kept", ensure the subject clearly identifies what is being maintained or stored. For instance, "Records are kept securely" is more precise than "Things are kept."
Common error
Avoid using "are kept" without a clear indication of who or what is performing the action of keeping. Overuse can lead to vague or unclear sentences. For example, instead of saying "Mistakes are kept", specify "Mistakes are kept hidden" or "Mistakes are kept track of".
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are kept" functions as a passive verb construction. It indicates that the subject of the sentence undergoes the action of being maintained, stored, or held by an unspecified agent. Ludwig AI shows examples where this construction is commonly used to describe the state of something.
Frequent in
News & Media
44%
Academia
32%
Encyclopedias
5%
Less common in
Science
12%
Wiki
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, the phrase "are kept" is a grammatically sound and very common passive construction used to indicate that something is maintained, stored, or held in a specific state or location. Ludwig AI confirms its correct usage across numerous contexts, particularly in news, academic, and encyclopedic sources. When using "are kept", ensure clarity by specifying what is being maintained and by whom, avoiding vague or ambiguous sentences. Alternatives like "are maintained", "are stored", and "are preserved" can offer nuanced meanings depending on the desired emphasis. Understanding its function and purpose, along with common errors to avoid, will enhance the precision and effectiveness of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are maintained
Focuses more on the action of upkeep rather than simply holding or storing.
are stored
Emphasizes the act of placing something in a specific location for later use.
are preserved
Highlights the effort to maintain something in its original condition.
are retained
Implies that something is held or kept in possession.
are held
Suggests a temporary state of possession or containment.
are safeguarded
Emphasizes the act of protecting something from harm or danger.
are secured
Highlights the act of making something safe or protected.
are conserved
Focuses on the careful management and preservation of resources.
are sustained
Implies that something is supported or maintained over a long period.
are upheld
Suggests that something is maintained at a high standard.
FAQs
How can I use "are kept" in a sentence?
The phrase "are kept" indicates that something is maintained or stored in a particular condition or place. For example, "The documents are kept securely" or "The animals are kept in the barn".
What's the difference between "are kept" and "are maintained"?
"Are kept" generally refers to the act of holding something in a specific state or location, while "are maintained" implies a more active effort to preserve or uphold something. For example, "The files are kept in the cabinet" versus "The machines are maintained regularly".
What can I say instead of "are kept"?
Depending on the context, you can use alternatives like "are stored", "are maintained", or "are preserved".
Which is correct, "the data are kept" or "the data is kept"?
The correct form is "the data are kept" because "data" is the plural form of "datum". However, in informal usage, "the data is kept" is sometimes used, although it's 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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested