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
have been reformulated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have been reformulated" is correct and usable in written English.
It can be used when discussing changes or updates made to a particular idea, concept, or document that has been revised or restated. Example: "The guidelines have been reformulated to better address the needs of our clients."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
have been superseded
were revamped
have been offered
have been taxed
have been detected
have been reviewing
have been kept
have been dismissed
have been implemented
have been strengthened
have received notice
have been certified
have been improved
have been excluded
have been worded
have been attributed
have been upgraded
have been forwarded
have been concluded
have been trained
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
26 human-written examples
Already, many familiar children's foods have been reformulated.
News & Media
Since then, dye-base inks have been reformulated to limit such fading.
News & Media
The "conventional" semi-empirical correlations of ignition delays have been reformulated, by keeping the Arrhenius equation form.
Science
Many products that once contained some of 111 banned ingredients have been reformulated or are no longer on the market, the agency said.
News & Media
In this work, the classic MDS and Dynamic MDS have been reformulated to utilize the anchor's position inside the minimization function.
This restriction has been removed here and the constraints have been reformulated to allow integration of constraints from all the neighboring surfaces.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
Johnson & Johnson, Procter & Gamble and Colgate-Palmolive have been reformulating to rid their products of triclosan – a suspected endocrine disruptor – for two years now.
News & Media
Many food manufacturers and restaurant chains have been reformulating products to significantly reduce or eliminate partially hydrogenated oils, which contain dangerous artery-clogging trans fat.
News & Media
Legal regulations have been reformulating this system since the 1980s so that applications can be supported effortlessly and facilitated through government assistance.
Science
Amid concerns about high obesity rates in the UK – researchers recently predicted that by 2025 Britain will have the highest obesity levels among both men and women in Europe, at 38% – food and retail giants have been reformulating their products and encouraging consumers to consider healthier choices.
News & Media
Due to the widespread assumption that artificial ingredients are somehow more harsh or harmful than natural ones, companies have been reformulating products to eliminate synthetics while others build niche brands based on the fallacy.
News & Media
Expert writing Tips
Best practice
When using "have been reformulated", ensure the context clearly indicates what was changed and, if relevant, the reason for the change.
Common error
While "have been reformulated" is grammatically correct, avoid overusing passive voice in your writing. Consider whether an active voice construction would be more direct and impactful. For example, instead of "The ingredients have been reformulated", consider "The company reformulated the ingredients".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have been reformulated" functions as a passive verb phrase, typically indicating that a substance, product, or concept has undergone a change in its composition or structure. As Ludwig AI points out, this phrase is grammatically correct and widely used.
Frequent in
Science
32%
News & Media
43%
Academia
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "have been reformulated" is a grammatically sound and commonly used passive verb phrase that indicates a change in the composition or structure of something. As Ludwig AI confirms, its widespread usage spans various domains, including science, news, and academia. When employing this phrase, ensure the context clarifies the nature and reason for the modification. While grammatically correct, be mindful of the potential for overuse of passive voice, and consider whether an active voice construction might enhance clarity and impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have undergone modification
Emphasizes the process of change rather than the specific act of reformulation.
have been revised
Focuses on correction or improvement, suggesting a problem existed previously.
have been altered
Implies a change in form or character, but not necessarily for improvement.
have been adjusted
Suggests a fine-tuning or calibration to achieve a desired outcome.
have been reworked
Indicates a more substantial level of change, implying significant effort was invested.
have been adapted
Highlights the process of making something suitable for a new purpose or condition.
have been transformed
Suggests a dramatic or fundamental change in nature or appearance.
have been updated
Focuses on bringing something current or in line with the latest information.
have been reconstructed
Implies that something has been rebuilt or reassembled, often from constituent parts.
have been redesigned
Focuses on the act of creating a new design or plan, often with a different aesthetic or functionality.
FAQs
How can I use "have been reformulated" in a sentence?
Use "have been reformulated" when you want to indicate that something has undergone changes in its composition or structure. For instance, "The recipe "have been reformulated" to reduce sugar content."
What are some alternatives to "have been reformulated"?
You can use alternatives like "have been revised", "have been altered", or "have been modified" depending on the context.
Is it better to say "have been reformulated" or "were reformulated"?
"Have been reformulated" is present perfect tense, indicating a change that happened at an unspecified time in the past and is still relevant. "Were reformulated" is simple past passive, indicating a completed action in the past. The best choice depends on the specific nuance you wish to convey.
What's the difference between "have been reformulated" and "are being reformulated"?
"Have been reformulated" indicates a completed action, whereas "are being reformulated" suggests an ongoing process. For example, "The product "have been reformulated"" means the process is finished, while "The product "are being reformulated"" means it's still in progress.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested