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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
be proficient in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"be proficient in" is a correct phrase and can be used in written English.
It means to have a high level of skill or expertise in something. You can use it to describe someone's abilities or qualifications in a specific area. Example: "The job requires the candidate to be proficient in Microsoft Excel and other data analysis software."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
possess expertise in
demonstrate competence in
experienced in
adept at
highly skilled in
have expertise in
be skilled at
be adept at
excel in
be competent in
be well-versed in
master
have a knack for
be happy about
function as
have a function
bear the responsibility for
be responsible for
be held accountable for
became responsible for
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
58 human-written examples
Two years later, they should be proficient in multiplying and dividing them.
News & Media
They have to be proficient in viewing women as dehumanised sex objects".
News & Media
It's not hard to understand why Caltech and M.I.T. want everyone to be proficient in mathematics.
News & Media
A mischievous Rubio proposal would require immigrants to be proficient in English before becoming citizens.
News & Media
All students would be proficient in reading and maths by 2014.
News & Media
All students were to be proficient in reading and maths by 2014.
News & Media
It is far more important that these students be proficient in their science than in the varied theories of education.
News & Media
"And foreign students, even those studying English language degrees, don't even have to be proficient in speaking English.
News & Media
When we say that we want American schoolchildren to be proficient in reading, which standard are we referring to?
News & Media
Alone in the United States military, they train to be proficient in the continuum from combat to civil affairs.
News & Media
All the state's 1.4 million schoolchildren, she said, should be proficient in reading and math when they leave high school.
News & Media
Expert writing Tips
Best practice
When using "be proficient in", ensure you clearly specify the area of expertise or skill. This provides context and avoids ambiguity.
Common error
Avoid using "be proficient in" when describing basic skills or knowledge. This phrase implies a high level of expertise, so reserve it for areas where genuine mastery exists.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be proficient in" functions as a predicate adjective, describing the subject's level of skill or expertise in a particular area. As Ludwig AI points out, it conveys a high level of competence.
Frequent in
News & Media
39%
Science
33%
Wiki
9%
Less common in
Formal & Business
9%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "be proficient in" is a grammatically correct and commonly used expression to describe a high level of skill or expertise, as affirmed by Ludwig AI. It functions as a predicate adjective, and its primary purpose is to denote competence in a specific domain. While applicable across various contexts, it's most frequently encountered in news, scientific, and formal business settings. When using this phrase, ensure that you are not overstating one's ability. For alternative phrasing, consider "have expertise in" or "be skilled at", and remember that the examples on Ludwig can provide further contextual guidance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have expertise in
Focuses on having a deep understanding and skill, rather than just competence.
be skilled at
Emphasizes skill as a primary attribute, changing the preposition.
be adept at
Synonymous, with a slightly different nuance emphasizing natural ability.
excel in
Highlights exceptional performance and success.
be competent in
Indicates a satisfactory level of skill, but not necessarily exceptional.
be well-versed in
Suggests comprehensive knowledge and experience.
master
A more concise alternative that means to become extremely skilled.
be highly capable in
Focuses on the general capacity to perform effectively.
be experienced in
Highlights practical knowledge gained over time.
have a knack for
Indicates a natural talent or inclination.
FAQs
How can I rephrase "be proficient in" to sound more formal?
For a more formal tone, you could use phrases such as "possess expertise in" or "demonstrate competence in".
What's the difference between "be skilled at" and "be proficient in"?
While both phrases indicate competence, "be proficient in" often suggests a higher level of mastery and a more comprehensive understanding than "be skilled at". They are nearly interchangeable but remember that "proficiency" has a slightly bigger scope.
Is it correct to say "be proficient with" instead of "be proficient in"?
While "be proficient with" is sometimes used, "be proficient in" is generally preferred and considered more grammatically standard, especially when referring to skills or areas of expertise.
What are some alternatives to "be proficient in" for a job description?
Job descriptions can use phrases like "experienced in", "adept at", or "highly skilled in" to describe desired candidate qualifications. Each of these describes a different degree of expertise.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested