Proficient In: Standard Pattern records the directly documented Cambridge construction and keeps the guidance bounded to the evidenced complement pattern rather than inventing a broader prohibition.
ReviewedEvidence1 sourceSectionEnglish Usage
Quick answer
Cambridge documents “proficient in” for skill in a language, technology, field, or similar domain.
Key details
Confusion Familyusage-construction
Rule Familyadjective complement
Termsproficient in
Further guidance
Construction
Cambridge documents proficient in for skill or experience in a language, technology, field, or similar domain, while also documenting proficient at for activities.
Style Boundary
This page records the evidenced proficient-in construction while noting that Cambridge also documents proficient at in other complement contexts.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
Absent From: Standard Pattern records a directly documented English construction and keeps guidance bounded to the evidenced pattern rather than inventing a broader prohibition.
Accountable For: Standard Pattern records the directly documented Cambridge construction and keeps guidance bounded to the evidenced complement pattern rather than inventing a broader prohibition.
Acquainted With: Standard Pattern records a directly documented English construction and keeps guidance bounded to the evidenced pattern rather than inventing a broader prohibition.
Addicted To: Standard Pattern records a directly documented English construction and keeps guidance bounded to the evidenced pattern rather than inventing a broader prohibition.
Adept At: Standard Pattern records a directly documented English construction and keeps guidance bounded to the evidenced pattern rather than inventing a broader prohibition.
Adjacent To: Standard Pattern records the directly documented construction and keeps guidance bounded to the evidenced complement pattern rather than inventing a broader prohibition.