are maintained by

USAGE SUMMARY

The phrase "are maintained by" is correct and usable in written English.
It can be used to indicate who or what is responsible for keeping something in a certain state or condition. Example: "The records are maintained by the administrative staff to ensure accuracy and accessibility."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Even the transportation networks are maintained by farms.

The New York Times

In addition, some Web sites are maintained by families of inmates.

The New York Times

Although most Web sites are maintained by different agencies, some features are similar.

The New York Times - Tech

The gardens are maintained by a local green roof and wall company called Junglefy.

The Guardian - Arts

These relationships are maintained by telephone, in a network of reciprocal favors that spans the country.

The New York Times - Magazine

In the emerging security state, privileges are maintained by restricting movement through violence.

The Guardian

These machines are maintained by exceptionally secretive engineers, the high priesthood of WikiLeaks.

The New Yorker

The Web has etiquette sites that are maintained by several well-known masters of protocol.

The New York Times - Tech

Major research establishments are maintained by French and U.S. foreign assistance organizations.

Encyclopedia Britannica

Less-familiar styles of court music are maintained by dedicated national music institutes and Korean scholarship.

Encyclopedia Britannica

In addition, many historical sites and museums are maintained by state and local societies.

Encyclopedia Britannica

Expert writing Tips

Best practice

When using "are maintained by", ensure that the subject performing the maintenance is clearly identified to avoid ambiguity. For example, instead of "The systems are maintained by", specify "The systems are maintained by the IT department."

Common error

Avoid overusing passive voice with "are maintained by" as it can sometimes make sentences sound vague or less direct. Consider using active voice for more clarity. For example, instead of "The roads are maintained by the city council", you could say "The city council maintains the roads".

Linguistic Context

The phrase "are maintained by" functions as a passive verb phrase, indicating who or what is responsible for the upkeep or preservation of something. As Ludwig AI indicates, this usage is grammatically correct and frequently encountered. For instance, "The gardens are maintained by a local green roof and wall company".

Expression frequency: Very common

Frequent in

News & Media

29%

Encyclopedias

28%

Science

26%

Less common in

Wiki

16%

Formal & Business

1%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "are maintained by" is a grammatically correct and very common passive verb construction used to indicate responsibility for the upkeep or preservation of something. Ludwig AI confirms its validity and broad applicability. It is frequently found in News & Media, Encyclopedias, and Science contexts. When using this phrase, ensure clarity by specifying the subject responsible for the maintenance. While acceptable, avoid overuse of the passive voice for clearer and more direct writing. Alternatives like "are supported by" or "are sustained by" can be used to convey similar meanings with slight variations in emphasis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are supported by

Replaces "maintained" with "supported", emphasizing backing or provision rather than upkeep.

are sustained by

Substitutes "maintained" with "sustained", highlighting the idea of something being kept alive or going.

are preserved by

Uses "preserved" instead of "maintained", focusing on keeping something in its original condition.

are upheld by

Replaces "maintained" with "upheld", suggesting that something is being defended or kept in force.

are operated by

Emphasizes the action of running or controlling something instead of simply keeping it in working order.

are overseen by

Replaces "maintained" with "overseen", shifting the focus to supervision and management.

are regulated by

Highlights the aspect of control and order rather than simple upkeep.

are governed by

Focuses on the aspect of rules and authority in keeping something in order.

are administered by

Shifts the focus to the act of managing or controlling, often in an organizational context.

are looked after by

An informal way to express that someone is taking care of something.

FAQs

How to use "are maintained by" in a sentence?

Use "are maintained by" to indicate who or what is responsible for the upkeep or preservation of something. For instance, "The historical records are maintained by the library staff to ensure their accessibility and preservation."

What can I say instead of "are maintained by"?

You can use alternatives like "are supported by", "are sustained by", or "are preserved by", depending on the specific nuance you want to convey.

Is it better to use active or passive voice with "are maintained by"?

While "are maintained by" is grammatically correct, using the active voice can often make your writing more direct and clear. For example, instead of "The gardens are maintained by the volunteers", you can write "The volunteers maintain the gardens".

What's the difference between "are maintained by" and "are managed by"?

"Are maintained by" implies the act of keeping something in good working order, while "are managed by" suggests a broader responsibility encompassing organization, control, and decision-making. The choice depends on whether you want to emphasize the physical upkeep or the overall administration.