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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
is it maintained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is it maintained" is correct and usable in written English. You can use it when inquiring about the upkeep or care of something. Example: "Is it maintained regularly to ensure its functionality?" Alternative expressions include "is it kept up," "is it looked after," and "is it serviced."
✓ Grammatically correct
News & Media
Science
Wiki
Encyclopedias
Alternative expressions(20)
regularly maintained
is it retained
is it preserved
routinely serviced
periodically checked
consistently upheld
well-kept
properly preserved
constantly monitored
usually maintained
persistently maintained
systematically maintained
regularly updated
regularly implemented
diligently maintained
regularly sustained
periodically maintained
duly maintained
routinely maintained
always maintained
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
2 human-written examples
The more urgent (and patently political) task is to reconceive what community is, including the community of poetry: What are its borders, what binds it together, how is it maintained, why does it fall apart?
News & Media
As in previous analyses, we assume that adaptation is slow so that averaging can be applied, but we ask a different question: how does adaptation make low-frequency firing robust, that is, how is it maintained for a large range of input current?
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
HOW hard is it to maintain a life of awesomeness?
News & Media
"The problem is, it's hard to maintain it.
News & Media
Whatever your company's posting pattern is, it's important to maintain it, Gama says.
News & Media
It cannot be climbed, so it is maintained via cherry pickers.
News & Media
Once the resistant colony was established it was maintained with a constant selection protocol.
Science
For all treatments, once SF of 50 60 cm was reached, it was maintained through to maturity.
Science
As long as it's maintained properly it's a safe aircraft".
News & Media
We're here to discuss how it's built and how it's maintained".
News & Media
Response was sustained (SR) when it was maintained for a minimum of 6 months.
Science
Expert writing Tips
Best practice
In scientific or technical writing, specify the frequency or method (e.g., "Is it maintained at a constant temperature?") to provide clarity.
Common error
Avoid using "is it maintaining" when you mean "is it maintained". The former suggests the object itself is performing an action on something else, while the latter correctly identifies the object as the recipient of the maintenance.
Source & Trust
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is it maintained" functions as the interrogative form of the present simple passive. It is used to inquire about the habitual or permanent state of care for an object or system. In the data provided by Ludwig, it often appears in questions exploring the methodology of scientific processes or the governance of communities.
Frequent in
Science
45%
News & Media
35%
Wiki
10%
Less common in
Encyclopedias
5%
Formal & Business
3%
Social Media
2%
Ludwig's WRAP-UP
In conclusion, "is it maintained" is a grammatically sound and versatile passive construction. While exact matches in a short string might appear Rare in specific databases, the structure itself is a staple of professional English. Ludwig AI shows that this phrase is essential for discussing the long-term stability of systems, whether they are biological, mechanical or social. It is most effective in Formal and Scientific contexts where the focus remains on the object of inquiry rather than the agent performing the maintenance. Writers should feel confident using it to ask about the status or care of any subject.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is it kept up
Uses a more phrasal verb approach, common in informal or semi-formal speech.
does it undergo maintenance
A more formal, active-subject inquiry into the maintenance process.
is it sustained
Suggests a continuous effort to keep something going over time.
is it looked after
A more personal or informal way to ask about general care.
is it being preserved
Focuses on the active protection of the object's current state.
is it being cared for
Implies a sense of responsibility or attention to the item.
how is it serviced
Specifically refers to technical or mechanical maintenance procedures.
is it regularly updated
Common in digital or informational contexts like software or databases.
is it in good repair
Inquires about the physical condition resulting from maintenance.
is it operational
Focuses on the result of maintenance (working status) rather than the act.
FAQs
How do I use "is it maintained" in a sentence?
You can use it to ask about the upkeep of something, such as "how "is it maintained" over long periods of time?"
What can I say instead of "is it maintained"?
Depending on the context, you can use alternatives like "is it kept up", "is it serviced" or "is it looked after".
Is it correct to say "is it maintained regularly"?
Yes, adding an adverb like "regularly maintained" is a very common way to specify the frequency of the upkeep.
What is the difference between "is it maintained" and "is it being maintained"?
The phrase ""is it maintained"" usually refers to a general state or habit, whereas "is it being maintained" focuses on an action happening right now.
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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
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested