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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has been fluctuating
Grammar usage guide and real-world examplesUSAGE SUMMARY
"has been fluctuating" is a perfectly correct and usable phrase in written English.
You can use it to describe a situation in which something changes or varies often, such as prices or temperatures. For example, "The weather this month has been fluctuating between hot and cold days."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
18 human-written examples
"His health has been fluctuating since February but he continued to fight until the last day, defying doctors' expectations.
News & Media
At the end of last year, the company reported $64 million in cash and recently the market cap has been fluctuating between $55 million and $65 million.
News & Media
On Monday morning, the Indian stock market — which hit a three-year low last March and has been fluctuating wildly since — soared.
News & Media
With federal intervention, the homicide rate dropped precipitously but began rising again around 2000 and has been fluctuating since Hurricane Katrina.
News & Media
The market price, which is supposed to reflect true market conditions, has been fluctuating between $1.12 and $1.16 a gallon in the Northeast district over the last few months.
News & Media
The Caspian has been fluctuating in size, and the Aral has been shrinking, primarily because its tributaries, the Amu Darya and the Syr Darya, have been tapped heavily for irrigation purposes.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
The transmission range utilization ratio has been fluctuated to 10, 25, 50, and 75%.
The North America natural gas price has been fluctuated between $2.5/MCF and $10/MCF in the last 20 years.
Science
He also said that prices had been fluctuating every couple of days.
News & Media
On Wall Street, where shares have been fluctuating wildly in recent weeks, the Standard & Poor's 500-stock index fell nearly 3percentt, and the Dow Jones industrial average fell 387.18 points, or 2.8percentt.
News & Media
Let's stay with the trans-Atlantic market for now, because that's where fares have been fluctuating most as jet fuel prices rise to what the industry warns will be record levels this year.
News & Media
Expert writing Tips
Best practice
Use "has been fluctuating" to describe situations where there is no clear trend, and values are moving irregularly within a range. For example, "The company's stock price has been fluctuating since the announcement."
Common error
Avoid using "has been fluctuating" excessively in formal or academic writing when more precise terms could better describe the nature of the variation. For example, instead of saying "The data has been fluctuating", consider using "The data exhibits seasonal variation" or "The data shows a cyclical pattern" if those descriptions are more accurate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has been fluctuating" functions as a verb phrase, specifically in the present perfect continuous tense. It indicates an action that started in the past and continues to occur, with emphasis on the ongoing and irregular nature of the change. As confirmed by Ludwig AI, this is a grammatically correct construction.
Frequent in
News & Media
42%
Science
38%
Formal & Business
8%
Less common in
Encyclopedias
4%
Wiki
4%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "has been fluctuating" is a grammatically correct and usable verb phrase in the present perfect continuous tense. Ludwig AI confirms its proper usage to describe ongoing, irregular changes over time. While its frequency is classified as "uncommon", it appears across various contexts, particularly in News & Media and Scientific sources. Related phrases offer nuanced alternatives depending on the specific nature of the variation you wish to convey. When writing, be aware that "has been fluctuating" is most appropriate when referring to unpredictable variation within a certain range. In formal writing, consider whether there are more precise synonyms to describe the type of variation. The phrase enjoys a neutral tone and is well-understood across audiences.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has varied irregularly
Replaces "fluctuating" with a more descriptive adverbial phrase emphasizing the lack of a consistent pattern.
has oscillated erratically
Replaces "fluctuating" with a stronger term suggesting unpredictable and rapid movement between extremes.
has shown volatility
Shifts the focus to the characteristic of being volatile, implying instability and frequent change.
has moved up and down
Offers a simpler, more literal description of the back-and-forth motion implied by "fluctuating".
has experienced ups and downs
Uses a common idiom to convey the idea of alternating periods of increase and decrease.
has gone through peaks and valleys
Emphasizes the high and low points of the variations, using a more figurative expression.
has risen and fallen intermittently
Replaces "fluctuating" with a phrase that highlights the alternating pattern of increase and decrease with pauses in between.
has undulated unevenly
Uses a more descriptive verb to indicate a wave-like motion that lacks regularity.
has demonstrated instability
Focuses on the lack of stability as the key characteristic, rather than the specific pattern of change.
has been inconsistent
Offers a broad term to describe the lack of uniformity or predictability in the changes.
FAQs
How can I use "has been fluctuating" in a sentence?
You can use "has been fluctuating" to describe something that varies irregularly. For instance, "The price of oil "has been fluctuating" due to global events".
What are some alternatives to "has been fluctuating"?
Depending on the context, alternatives to "has been fluctuating" include "has varied irregularly", "has oscillated erratically", or "has shown volatility".
Is it correct to say "has been fluctuate" instead of "has been fluctuating"?
No, "has been fluctuate" is grammatically incorrect. The correct form is "has been fluctuating", using the present participle of the verb to indicate ongoing action.
What's the difference between "has been fluctuating" and "has fluctuated"?
"Has been fluctuating" implies a continuous or repeated action over a period, while "has fluctuated" suggests a completed action. For example, "The temperature "has been fluctuating" all day" versus "The temperature "has fluctuated" significantly overnight".
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested