What is Grammar?

Descriptive Grammars

grammar is the knowledge speakers have about the unit and rules of their language-rules for combining sounds into words, combining words into phrases and phrases into sentences.

Such a model is called a descriptive grammar. It describes your basic linguistic knowledge.

grammatical sentence means that it conforms to the rules of mental grammar, ungrammatical sentences means it deviates from the rules in some way

Perspective Grammars

Prescribing rather than describing the rules of grammar, which give rise to the writing of prescriptive grammars

Lowth was influential and because the rising new class wanted to speak properly, many of these new rules were legislated into English grammar, at least for prestige dialect

Writing is another story as it follows certain prescriptive rules of grammar, usage, style and that the spoken language does not

Teaching Grammars

Teaching grammar used to learn another language or dialect

This kind of grammar gives the words and their pronounciations, and explicitly states the rules of the language

Teaching grammars assume that the students already know one language and compares the grammar of the target language with the grammar of native language

Universal Grammar

the universal rules are of particular interest because they give us a window into human 'faculty of language' which enables us to learn and use any particular language

A major aim of linguistic theory is to discover the nature of UG

The complexity of language undoubtedly means this goal will never be fully achieved

The Development of Grammar

it is often remarked that children seem to pick up language just from hearing it spoken around them

children can acquire any language they are exposed to with comparable ease

Children acquire language as quickly and effortlessly as they do not have to figure out all the grammatical rules

Sign Languages : Evidence for Language Universal

sign languages are fully developed languages, signers create and comprehend unlimited number of new sentences

it have their our grammatical rules and mental lexicon of signs

sign language provides the best evidence to support the view all languages are governed by the same universal principles