The study of the ways in which morphemes can be combined to form words is called morphology.

The distinction between competence and performance was proposed by F. de Saussure.

Modern linguistics is mostly prescriptive, but sometimes descriptive.

Langue refers to the a（）linguistic system shared by all the members of a speech community while the parole is the concrete use of the conventions and application of the rules.

Modern linguistics regards the written language as primary, not the written language.

A diachronic study of language is the description of language at some point in time.

Language is a system of a（）vocal symbols used for human communication.

Language is p（）in that it makes possible the construction and interpretation of new signals by its users. In other words, they can produce and understand an infinitely large number of sentences which they have never heard before.

Morphology studies how words can be formed to produce meaningful sentences.

Linguistics