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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
had maintained for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had maintained for" is correct and usable in written English.
It can be used to indicate a continuous action or state that was upheld over a specific period of time in the past. Example: "She had maintained for several years that the project would succeed despite the challenges."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(6)
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
19 human-written examples
Mr. O'Neill, had maintained for months that he would run.
News & Media
And a few hours after Shell disclosed the conclusions of its inquiry, Standard & Poor's stripped it of the AAA credit rating it had maintained for 14 years.
News & Media
General Kuzmuk, one of Mr. Kuchma's close allies, had maintained for five days after the tragedy that his military could not have caused the crash.
News & Media
What has been indisputably upset by the boom is the careful balance of ranching, drilling, and tourism that the community had maintained for almost a hundred years.
News & Media
Acting Gov. Donald T. DiFrancesco, who had maintained for many weeks that he would leave office next month with a surplus, has concurred in predictions of a shortfall.
News & Media
Ten days ago, Parlier lost the lead he had maintained for most of the first third of the race because of a tactical error.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
Ms. Kistler has maintained for years that dancing Balanchine ballets makes one a Balanchine dancer.
News & Media
He and other military commanders have maintained for months that the conditions for national reconciliation have been met.
News & Media
In fact, Mr. Vorpahl has never had a license, and has maintained for years that he does not need one.
News & Media
But the league has maintained for the past year that it does not have to bargain over this issue.
News & Media
The I.R.A. has maintained for decades that McConville was murdered because she had been supplying information to the British Army.
News & Media
Expert writing Tips
Best practice
When using the phrase, ensure that the context clearly establishes the timeframe during which the action or belief was maintained. This provides clarity and strengthens the impact of your statement.
Common error
Avoid using "had maintained for" when a simple past tense or present perfect tense is more appropriate. "Had maintained" specifically refers to a past action completed before another point in the past. Ensure this temporal relationship is clear in your sentence.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had maintained for" functions as part of a verb phrase in the past perfect tense, indicating an action or state that persisted for a duration before a specific point in the past. This is confirmed by Ludwig's examples.
Frequent in
News & Media
65%
Academia
15%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "had maintained for" is a grammatically sound phrase used to describe a past action or state that was upheld consistently over a period before another point in the past. Ludwig AI confirms its correctness and usability. Its frequency is common across various contexts, particularly in news, academia, and science. When using this phrase, ensure the temporal relationship is clear and avoid using it when a simpler tense would suffice. Alternatives such as "had upheld for" or "had sustained for" may be used to add subtle nuances to your writing. Remember to emphasize the timeframe to provide clarity and impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had upheld for
Replaces "maintained" with "upheld", focusing on actively supporting something over time.
had sustained for
Replaces "maintained" with "sustained", emphasizing the act of keeping something in existence over a duration.
had preserved for
Replaces "maintained" with "preserved", highlighting the act of keeping something intact over a period.
had kept up for
Uses the phrasal verb "kept up" instead of "maintained", suggesting continued effort to maintain something.
had continued for
Shifts the focus to the continuation of an action or state, rather than the act of maintaining.
had retained for
Uses "retained" instead of "maintained", suggesting keeping possession of something over a period.
had held onto for
Uses the phrasal verb "held onto" instead of "maintained", emphasizing the act of clinging to something.
had adhered to for
Replaces "maintained" with "adhered to", focusing on compliance with a rule or standard over time.
had stood by for
Replaces "maintained" with "stood by", suggesting loyalty or support for something over a period.
had championed for
Uses "championed" to describe someone who defends a cause for a period of time.
FAQs
How can I use "had maintained for" in a sentence?
Use "had maintained for" to describe a state, belief, or practice someone upheld consistently over a period of time until some point in the past. For example, "She "had maintained for" years that the earth was flat, until scientific evidence changed her mind."
What are some alternatives to "had maintained for"?
You can use alternatives like "had upheld for", "had sustained for", or "had preserved for" depending on the specific nuance you want to convey.
Is it correct to say "has maintained for" instead of "had maintained for"?
The phrase "has maintained for" is grammatically incorrect. You should use "has maintained" to describe a continuous action or state up to the present, without specifying a duration, or "has been maintaining for" to emphasize duration up to the present.
What is the difference between "had maintained" and "had been maintaining"?
"Had maintained" indicates a completed action or state before a specific point in the past, while "had been maintaining" suggests a continuous action over a period leading up to a specific point in the past. The latter emphasizes the ongoing nature of the action.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested