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
was maintained for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was maintained for" is correct and usable in written English.
It can be used to indicate the duration for which something was kept or preserved. Example: "The equipment was maintained for several years to ensure optimal performance."
✓ Grammatically correct
Science
News & Media
Academia
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
60 human-written examples
The improvement was maintained for six months.
News & Media
Orientation was maintained for each ACL.
Science
This low rate was maintained for a 10-year period.
Percutaneous catheter drainage was maintained for 2 17 days.
Higher transgene expression was maintained for at least 4 months.
Science
Each humidity level was maintained for 4 weeks.
Orthosis was maintained for 4 months.
Each temperature was maintained for 28 min.
Science
Each condition was maintained for 1 h.
Anesthesia was maintained for 3 h.
Same ratio was maintained for the sample.
Science
Expert writing Tips
Best practice
When using "was maintained for", clearly specify what "was maintained". This adds clarity and prevents ambiguity in your writing.
Common error
Avoid shifting tenses mid-sentence. If you start with "was maintained for", ensure the rest of the sentence aligns with the past tense to maintain grammatical consistency.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was maintained for" functions as a verb phrase indicating the duration for which a certain state, condition, or action was preserved or continued. As seen in Ludwig, it commonly precedes a period of time, specifying how long something was kept in a particular state.
Frequent in
Science
88%
News & Media
6%
Academia
6%
Less common in
Formal & Business
0%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "was maintained for" is a versatile phrase used to indicate the duration for which something was kept in a specific state or condition. According to Ludwig, this phrase is grammatically correct and frequently appears in scientific, academic, and news contexts. When using "was maintained for", it's essential to specify what was maintained to avoid ambiguity and to ensure the tense remains consistent throughout the sentence. Related phrases include "persisted for", "continued for", and "lasted for", which can provide alternative ways to express similar ideas. Because of its high frequency and wide applicability, mastering the use of "was maintained for" can significantly improve clarity and precision in writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
continued for
Uses "continued" instead of "was maintained", emphasizing an uninterrupted duration.
lasted for
Substitutes "was maintained" with "lasted", indicating the total duration of something's existence or activity.
sustained for
Uses "sustained" to emphasize the support or endurance over the stated period.
persisted for
Replaces "was maintained" with "persisted", focusing on the continuation of something despite challenges.
endured for
Implies a challenging condition that lasted a specific duration.
was kept up for
Uses "was kept up" instead of "was maintained", focusing on the effort to continue something.
extended for
Highlights the duration by using "extended", implying the period was lengthened.
remained in effect for
Replaces the entire phrase with a more formal expression emphasizing that something stayed active or operational.
carried on for
Replaces the original phrase with a more colloquial expression indicating continuation.
held steady for
Replaces "was maintained" with "held steady", suggesting stability over a period.
FAQs
How can I use "was maintained for" in a sentence?
Use "was maintained for" to indicate the duration that something was kept in a particular state or condition. For example, "The temperature "was maintained for" 24 hours."
What are some alternatives to "was maintained for"?
You can use alternatives like "persisted for", "continued for", or "lasted for" depending on the specific context.
Is it better to use "was maintained for" or "was sustained for"?
Both phrases are correct, but "was sustained for" often implies a degree of effort or support to keep something going, while ""was maintained for"" simply indicates it was kept at a certain level or condition.
What is the difference between "was maintained for" and "remained for"?
"Was maintained for" implies active effort to preserve a condition, while "remained for" suggests a state that continued without intervention. For example, "The high quality "was maintained for" years" versus "The status "remained for" the whole day".
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested