語学の素質があるの英語

have a flair for languages

He early showed an aptitude for languages.

have a[no] facility for language

linguistic sophistication＝sophistication in linguistics

He is proficient in the languages―a good linguist.

linguistic ability―linguistic proficiency

He early showed an aptitude for languages.

a field of study, called {philology}

versed in literature

He early showed an aptitude for languages.

a subject of linguistics, called grammar

the study of linguistics, called semantics

a study, called ethnolinguistics

a study in linguistics called word theory

a study in linguistics called diachronic linguistics

He is versed in―well read in―English literature.

have a deep appreciation of literature

an area of study in linguistics, called descriptive linguistics

a language called Japanese

a branch of academic study, called literary theory

the action of reading sentences aloud when studying a foreign languages

language called incorporating language

Language-study can be reduced to order

a field of study called linguistics

a field of linguistics, called morphology

Literature, indeed!

a lesson for learning a foreign language

a linguistic theory called generative grammar

a department of linguistics, called morphophonemics

a language of India called Munda