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
By maintaining on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "By maintaining on" is not correct in English and does not convey a clear meaning.
It is not usable in written English as it stands, and it seems to be a mix-up of phrases. An example could be: "By maintaining on track, we can achieve our goals." (However, "maintaining on" should be corrected to "staying on" or "keeping on.")
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(3)
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
1 human-written examples
The anti-mycobacterial activities of the extracts were evaluated against ten M. tuberculosis strains and three M. bovis strains by maintaining on Middle Brook 7H9 medium for about 14 21 days.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
The prefrontal cortex (PFC) plays an important role in the temporal organization of behavior [ 1, 2] by temporarily maintaining "on-line" internal representations of perceptual, cognitive and emotive information in order to guide sequential, contextually meaningful behavior [ 3].
Science
Some companies have tried to hold on to customers like Mr. Torrijos by maintaining prices on classic pieces while marking up the trendier looks of the season.
News & Media
The onset of the cancer in these mice was prevented by maintaining mice on selective COX-2 inhibitors, further demonstrating the important role of inflammation on pancreatic cancer development.
Science
A full 50% said the NHS, followed by 35% who wanted to protect schools, followed by maintaining spending on the police and transport.
News & Media
He's adeptly used competent proxies to attack his opponents, allowing him to appear above the fray, and he's kept the ball moving by maintaining focus on the most pressing issues of the campaign – the war and the economy – while dismissing the distractions.
News & Media
The government kept property prices fairly reasonable by maintaining controls on mortgage markets.
News & Media
Static movements are those that are performed slowly, with the climber's position controlled by maintaining contact on the boulder with the other three limbs.
Wiki
MDA-MB-231 cells (7 × 10) were kept in suspension by maintaining them on poly-HEMA (Sigma-Aldrich -coated culture diSigma-Aldrich -coated
Science
We will continue to learn as much, if not more, about the relationship of science and society and research impacts by maintaining focus on scientific controversies as well as scientific developments.
Science
Searching for a particular record in a file is aided by maintaining secondary indexes on arbitrary attributes as well as by maintaining a primary index on the same attribute on which the file is sorted.
Encyclopedias
Expert writing Tips
Best practice
Avoid using the phrase “by maintaining on” in formal writing. Instead, use alternatives like “by maintaining” or “by focusing on” for clarity and grammatical correctness.
Common error
The common error is adding the preposition "on" after "maintaining" when it's unnecessary. Double-check your sentence structure and remove the "on" for better grammar. Saying "by maintaining focus" is preferable to "by maintaining on focus".
Source & Trust
75%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by maintaining on" attempts to function as a prepositional phrase, introducing a means or method. However, Ludwig AI indicates it is grammatically incorrect. The intended function is to describe how something is achieved or sustained, but the extra preposition renders the phrase awkward and non-standard.
Frequent in
Science
33%
News & Media
33%
Wiki
33%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "by maintaining on" is grammatically suspect and rarely used, as confirmed by Ludwig AI. It appears infrequently across various contexts like science, news, and general web content, but is considered incorrect and awkward. The primary issue lies in the redundant use of the preposition "on" after "maintaining". Better alternatives include simply using "by maintaining" or rephrasing with phrases like "by focusing on" or "by preserving". When writing, avoid "by maintaining on" to ensure clarity and grammatical accuracy.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
By maintaining
Omits the preposition "on", resulting in grammatically correct sentence structure.
By keeping to
Replaces "maintaining" with "keeping", offering a more common and natural-sounding alternative.
By focusing on
Emphasizes the act of concentrating on something, instead of just maintaining it.
By adhering to
Indicates sticking firmly to a plan, agreement, or belief.
By upholding
Implies supporting or defending something, like a principle or law.
By sustaining
Suggests providing what is needed for something to continue existing.
By preserving
Highlights the act of protecting something from harm or decay.
Through maintaining
Uses "through" instead of "by", providing an alternative preposition with a similar meaning, "on" omitted.
By continuing with
Replaces "maintaining" with "continuing", conveying the idea of not stopping something.
By supporting
Implies actively providing assistance or resources to keep something going.
FAQs
How can I correctly use "maintaining" in a sentence?
Use "maintaining" followed directly by the object you are sustaining, or use "maintaining" with prepositions such as "by" or "for". For example, "by "maintaining focus"" or "maintaining a healthy lifestyle".
What phrases are similar to "by maintaining"?
Similar phrases include "by keeping", "by continuing", or "by preserving", depending on the specific context.
Is "by maintaining on" grammatically correct?
No, "by maintaining on" is generally considered grammatically incorrect. The correct usage is typically "by maintaining".
What's the difference between "by maintaining" and "by maintaining on"?
"By maintaining" is the correct and widely accepted phrase. "By maintaining on" is redundant and grammatically awkward, and should be avoided.
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
75%
Authority and reliability
1.8/5
Expert rating
Real-world application tested