noun
ADJECTIVE
▪ great , high
▪
Not all students were developing high ~ in Spanish.
▪ limited
▪
Many of them had only limited ~ in English.
▪ academic , technical
▪ language , oral , reading , written
▪ English , Spanish , etc.
▪ cycling ( esp. BrE ), skiing , etc.
… OF PROFICIENCY
▪ degree , level
▪
He taught himself to carve to a high degree of ~.
VERB + PROFICIENCY
▪ achieve , attain , develop , increase
▪
He acquired greater ~ after a three-month intensive course.
▪ demonstrate , show
▪ assess
▪
The test has been widely used for assessing English ~.
PROFICIENCY + NOUN
▪ assessment , examination , test
▪
a language ~ test
▪ level , standard
PREPOSITION
▪ ~ in
▪
a certificate for ~ in English