Social changes can often bring about language changes.

Semantics

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.

Phonology

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

Human capacity for language has a g（）basis, but the details of language have to be taught and learned.

The study of meaning in language is known as semantics.

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.

Modern linguistics is different from traditional grammar.