The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）

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 is mostly prescriptive, but sometimes descriptive.

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.

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

Both semantics and pragmatics study meanings.

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

Linguistics

Sociolinguistics is the study of language in relation to society.