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
has been mastering
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has been mastering" is correct and usable in written English.
It can be used to indicate that someone has been continuously improving or gaining expertise in a particular skill or subject over a period of time. Example: "She has been mastering the art of painting for several years, and her work has become increasingly impressive."
✓ Grammatically correct
News & Media
Science
Wiki
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
3 human-written examples
He has been mastering the intricacies of Afghan, specifically Taliban, politics.
News & Media
For a long time, China has been mastering the art of creating substitutes of Western solutions in order to feed the digital needs of the internet-hungry population.
News & Media
Brooke Powers has been mastering the art of the perfect party set for years now.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
They are fairly easy to make, once the trick has been mastered (simply vaporise a lump of carbon at some 3,000oC, and let the vapour recondense).
News & Media
But suddenly here is a Blu-ray, produced by Holland Releasing and distributed by Kino Lorber, that has been mastered from a 35-millimeter print in remarkably good shape.
News & Media
The core technology of sodium sulfur battery has been mastered by NGK.
Once the software has been mastered, images can be manipulated in endless ways, not to mention sent off to Grandma by e-mail.
News & Media
The action proves that quick response and honesty are effective, but only if the message has been mastered.
News & Media
Although everyone in the company is supposed to use this new manner of communication, it has been mastered only by a handful of elusive souls.
News & Media
The evolution to being a better pocket passer with an escape dimension has been mastered by a number of young quarterbacks.
News & Media
Once this has been mastered, continue adding dogs to training sessions until all are calm and submissive.
Wiki
Expert writing Tips
Best practice
Use "has been mastering" to highlight the ongoing effort and progress in acquiring a specific skill or knowledge. It suggests a continuous process of improvement over time.
Common error
Avoid using "has been mastering" when a simpler tense like "has mastered" or "is mastering" would suffice. For example, prefer "She has mastered the technique" over "She has been mastering the technique for a short time" if the duration isn't crucial.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has been mastering" functions as a verb phrase in the present perfect continuous tense. It indicates an action (mastering) that started in the past and is still ongoing. Ludwig confirms its grammatical correctness and provides examples of its use in various contexts.
Frequent in
News & Media
66%
Science
17%
Wiki
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "has been mastering" is a grammatically sound verb phrase used in the present perfect continuous tense to describe an ongoing process of skill development. While Ludwig AI confirms its correctness, its frequency is rare. Its communicative purpose is to highlight the continuous effort and time invested in acquiring expertise and it is used in different contexts such as news, science and wiki. Consider the nuance you want to convey. If you wish to convey that something is done in the past use "has mastered".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has been perfecting
Replaces "mastering" with "perfecting", emphasizing refinement and flawlessness.
has been honing
Uses "honing" instead of "mastering", suggesting a process of sharpening or refining skills.
has been developing expertise in
Replaces "mastering" with a longer phrase, making the sentence more formal and explicit.
has been gaining proficiency in
Similar to the previous phrase, but focuses on the increasing proficiency.
has cultivated a mastery of
Employs a more sophisticated vocabulary, emphasizing the achievement of mastery.
has become skilled in
Focuses on the attainment of skill rather than the process of mastering.
has acquired expertise in
Highlights the acquisition of knowledge and skill.
has shown mastery of
Shifts the focus to demonstrating mastery rather than the process of achieving it.
is proficient in
A more concise way of saying someone has mastered a skill, emphasizing current ability.
is skilled at
A simpler and more direct way to express competence in a particular area.
FAQs
How can I use "has been mastering" in a sentence?
Use "has been mastering" to describe an ongoing process of skill development. For example, "He "has been mastering the art" of coding for the past year".
What's the difference between "has been mastering" and "has mastered"?
"Has been mastering" implies a continuous process, whereas "has mastered" suggests completion. Saying someone "has mastered" a skill indicates they've achieved proficiency, while "has been mastering" means they're still in the process of improving.
Are there alternatives to "has been mastering"?
Yes, you can use alternatives like "has been perfecting", "has been honing", or "has been developing expertise" depending on the context.
When is it appropriate to use "has been mastering" over simpler tenses?
It's appropriate when you want to emphasize the duration and continuous effort involved in acquiring a skill. If the focus is simply on the current level of skill, "is mastering" or "has mastered" may be more suitable.
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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested