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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 maintained for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are maintained for" is correct and usable in written English.
It can be used when discussing the ongoing upkeep or preservation of something for a specific purpose or duration. Example: "The records are maintained for a period of five years to comply with legal requirements."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
are kept for
are preserved for
are retained for
are utilized for
are sustained for
are conserved for
are provided for
are allocated for
are designated for
are reserved for
are established for
are administered for
are managed for
are held for
are updated for
are ascertained for
are implemented for
are stored for
are treasured for
are averaged for
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
The grey partridge thrives on large estates where birds are maintained for shooting.
News & Media
"It is a disgrace that in this age of austerity the council is not spending to its limit to ensure that vital services are maintained for local people".
News & Media
£3.5m is an extraordinarily high upkeep cost, he added, given that the Hungerford Bridge's two pedestrian crossings are maintained for £800,000 a year.
News & Media
There are vast natural rookeries in the Everglades and elsewhere, and numerous wildlife refuges are maintained for the protection of migratory birds and other animals.
Encyclopedias
Three fenced-in grass paddocks and a sand riding ring are maintained for horses, along with several trails through the property.
News & Media
Limited data show that these improvements are maintained for up to 10 years.
In certain Strand embodiments, class frequencies are maintained for each unique minhash key.
Once formed, however, loops and compartments are maintained for hours without energy input.
Science
Class E regime and a fixed output current are maintained for inductance variations up to 27%.
The T sequences (called elite sequences) with the lowest merits are maintained for the next population generation.
The diffusion flame leads to lower values for the maximum flux, but high fluxes are maintained for a longer time.
Science
Expert writing Tips
Best practice
When using "are maintained for", ensure the context clearly indicates what is being maintained and for what purpose. This avoids ambiguity and strengthens the sentence's clarity.
Common error
Avoid using "are maintained for" without specifying what is being maintained. For example, instead of writing "Systems are maintained for", specify which systems and their intended function.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are maintained for" functions as a passive voice construction, indicating that something is being preserved or kept in a particular state by an unspecified agent. Ludwig AI confirms this through numerous examples of its usage.
Frequent in
Science
47%
News & Media
30%
Formal & Business
23%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "are maintained for" is a grammatically sound and frequently used passive construction, as affirmed by Ludwig AI. It serves to articulate the purpose behind the continued preservation or upkeep of something. Predominantly found in scientific, news, and formal business contexts, its formality ranges from neutral to formal, making it suitable for professional communication. When employing this phrase, ensure clarity by explicitly stating what is being maintained and its intended purpose to prevent ambiguity. Alternatives like "are kept for", "are preserved for", and "are retained for" offer nuanced variations for different contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are kept for
Replaces "maintained" with a simpler synonym, reducing formality.
are preserved for
Emphasizes the act of keeping something in its original state for future use.
are retained for
Highlights the continuation of possession or use.
are upheld for
Implies active support and defense to ensure continuation.
are sustained for
Focuses on providing necessary support to keep something going.
are conserved for
Similar to 'preserved', but often used in the context of resources or energy.
are provided for
Shifts focus to the act of supplying or making something available.
are allocated for
Highlights the specific distribution or assignment of something.
are designated for
Focuses on the official or formal assignment of something.
are reserved for
Emphasizes setting something aside for a particular purpose or person.
FAQs
How can I use "are maintained for" in a sentence?
Use "are maintained for" to indicate that something is kept in a specific condition or state for a particular purpose. For example: "These records "are kept for" auditing purposes".
What are some alternatives to "are maintained for"?
Alternatives include "are preserved for", "are kept for", or "are retained for", depending on the specific nuance you want to convey.
Which is correct, "are maintained for" or "is maintained for"?
"Are maintained for" is used with plural subjects, while "is maintained for" is used with singular subjects. For example: "The systems are maintained for security reasons" versus "The system is maintained for security reasons".
What's the difference between "are maintained for" and "are used for"?
"Are maintained for" implies an ongoing effort to keep something in a specific condition, while "are used for" simply indicates the purpose of something. For example, "The tools are maintained for optimal performance" versus "The tools "are utilized for" specific tasks".
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested