Syntax

In the study of linguistics, hypotheses formed should be based on language facts and checked against the observed facts.

General linguistics, which relates itself to the research of other areas, studies the basic concepts, theories, descriptions, models and methods applicable in any linguistic study.

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

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

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

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

General linguistics is generally the study of language as a whole.

Social changes can often bring about language changes.

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