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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

maintain by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "maintain by" is not correct in standard written English.
It may be an attempt to convey the idea of something being upheld or supported by a certain means or method, but it lacks proper grammatical structure. Example: "The system is maintained by regular updates and user feedback."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

23 human-written examples

It's about joy, family and ludicrous, nonsensical traditions that we cherish and maintain by prefixing them with the word "festive".

There was a sense of going back in time, which I decided to maintain by using ancient techniques and materials".

News & Media

The New York Times

Borrowers can make smarter financial choices, industry executives maintain, by better understanding the economic forces that propel rates, and by keeping a watchful eye on the economic news.

News & Media

The New York Times

It's a success story the company aims to maintain by encouraging stakeholders – including customers, businesses, councils, neighbourhoods and communities – to think about water differently.

News & Media

The Guardian

Instead of requiring banks to maintain, by 2015, a certain amount of assets that can quickly be turned into cash, the most stringent deadline was pushed to 2019.

News & Media

The New York Times

Now, in part through the positive outlook she has been able to maintain by speaking with Ms. Bernfeld, she is leading a life closer to the one she used to know.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

37 human-written examples

It is maintained by caucus staff.

News & Media

The New York Times

Maintained by us, for us.

It is maintained by his wife, Kim.

News & Media

The Guardian

Grass is clipped and land maintained by helpful workers.

News & Media

The New York Times

It too has been created and maintained by advertizing.

Show more...

Expert writing Tips

Best practice

When aiming to express that something is maintained or supported by a particular method, use phrases like "maintained through", "supported by", or "sustained by" for clarity and grammatical correctness.

Common error

Avoid using the phrase "maintain by" as it is not standard English. Instead, opt for grammatically correct alternatives such as "maintain through", "support by", or "sustain by" to convey your intended meaning effectively.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "maintain by" is generally used to express the idea of sustaining or keeping something in a particular condition or state through a specific action or method. However, as Ludwig AI indicates, the phrase is not considered grammatically correct in standard English.

Expression frequency: Common

Frequent in

Science

50%

News & Media

43%

Encyclopedias

7%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, while the phrase "maintain by" appears in various contexts, including science and news, Ludwig AI identifies it as grammatically incorrect in standard English. It is intended to convey the idea of sustaining something through a specific method. To ensure grammatical correctness, it's best to use alternatives like "maintained through", "supported by", or "sustained by". These alternatives provide clarity and are more appropriate for formal and professional writing. Though the phrase appears with some frequency, adherence to proper grammar is crucial for effective communication.

FAQs

What are some correct ways to express that something is upheld by specific actions?

Instead of using the ungrammatical "maintain by", you can use alternatives like "supported by", "sustained by", or "maintained through".

Is "maintain by" considered proper English?

No, "maintain by" is not considered proper English. It's grammatically incorrect. Use phrases like "supported by" or "sustained by" instead.

What's the difference between "maintain by" and "maintained through"?

"Maintain by" is not grammatically correct. "Maintained through" is a correct alternative that indicates something is kept in a certain state by means of something else.

How can I rephrase a sentence using "maintain by" to be grammatically correct?

Replace "maintain by" with phrases like "preserve via", "uphold through", or "bolster by means of" to ensure your sentence is grammatically sound and clear.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

86%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: