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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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have been perfected

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "have been perfected" is correct and usable in written English.
It can be used to indicate that something has undergone a process of improvement or refinement over time. Example: "The techniques for this craft have been perfected over generations, resulting in exceptional quality."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

The two assignments, if both have been perfected, rank "according to priority in time of filing or perfection," whichever is earlier, "provided that there is no period thereafter when there is neither filing nor perfection" (§9-312 5)(a)).

Many wares are handmade in villages where lacquer and bamboo techniques have been perfected over centuries.

News & Media

The New York Times

In the course of time in various places special poetic forms have been perfected and passed on from bard to bard.

That may have been perfected early in his career when he worked in politics as an aide to elected Democratic officials in New York.

News & Media

The New York Times

Today by contrast the arms have been perfected to the point that a citizen, your neighbor next door, can easily kill at a rate of 100 people per minute.

To that end, Estrela is trying to exploit a range of genetic manipulations in the new species that have been perfected in the current workhorse, including the use of the powerful new CRISPR gene editing technology.

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Human-verified similar examples from authoritative sources

Similar Expressions

24 human-written examples

It has been perfected.

By 2005, it had been perfected.

News & Media

The Guardian

And now the form has been perfected with Atlanta.

Some, like waterboarding, had been perfected during the Spanish Inquisition.

News & Media

The New York Times

Once this has been perfected, it will look very impressive.

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Expert writing Tips

Best practice

Use "have been perfected" to describe processes, techniques, or skills that have undergone significant refinement and improvement over time.

Common error

Avoid using "have been perfected" to describe everyday tasks or items that do not require significant skill or effort. Using it in such contexts can sound hyperbolic or unnatural.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "have been perfected" functions as a passive perfect construction, typically used to describe an action that was completed at some point in the past and resulted in a current state of refinement or high quality. According to Ludwig AI, the phrase is valid and usable. For instance, "Many wares are handmade in villages where lacquer and bamboo techniques have been perfected over centuries."

Expression frequency: Common

Frequent in

News & Media

50%

Academia

23%

Science

27%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "have been perfected" is a common and grammatically correct expression used to indicate that something has reached a high level of refinement through a process of improvement. As Ludwig AI confirms, the phrase is suitable for use in various contexts, particularly in news media, academia, and science. It emphasizes the culmination of effort and the attainment of quality. While versatile, it's best reserved for subjects that genuinely warrant the description of having undergone significant refinement, avoiding overuse in trivial contexts. Alternatives like "have been refined" or "have been mastered" can offer nuanced variations in meaning.

FAQs

How can I use "have been perfected" in a sentence?

The phrase "have been perfected" is used to describe something that has reached a state of high quality or efficiency through repeated improvements. For example, "The techniques "have been perfected" over many years" or "Their recipes "have been perfected" since the 1940s".

What are some alternatives to "have been perfected"?

Similar phrases include "have been refined", "have been mastered", or "have been honed". The choice depends on the specific nuance you want to convey.

Is it better to say "has been perfected" or "have been perfected"?

"Has been perfected" is used with singular subjects, while "have been perfected" is used with plural subjects. For example, "The technique has been perfected" versus "The techniques have been perfected".

What does it mean when something is described as "having been perfected"?

It implies that the item, method, or skill has undergone a series of improvements and refinements, reaching a state of high quality, efficiency, or effectiveness. This often suggests a long period of development or dedicated effort to achieve the best possible outcome.

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Real-world application tested

Most frequent sentences: