Tuesday 17 April 2018

πŸ‘‰πŸ»πŸ‘‰πŸ»✋🏼🌹SirRana..

M.Phil Linguistics course

The ESL ACADEMY BY SIRRANA..


πŸ‘‰πŸ»πŸ‘‰πŸ»✋🏼transformational (generative) grammar
LINGUIS.
a system of linguistic analysis consisting of a set of rules that generate basic syntactic structures, in the form of simple independent clauses, and a set of transformational rules that operate on those structures so as to produce questions, complex sentences, etc. and thus to account for every possible sentence of a language

πŸ‘‰πŸ»πŸ‘‰πŸ»πŸŒΉTransformational grammar, also called Transformational-generative Grammar, a system of language analysis that recognizes the relationship among the various elements of a sentence and among the possible sentences of a language and uses processes or rules (some of which are called transformations) to express these .

πŸ‘‰πŸ»πŸ‘‰πŸ»πŸ‘‰πŸ»πŸŒΉ✍🏿Deep structure and surface structure

Noam Chomsky’s 1965 book Aspects of the Theory of Syntax developed the idea that each sentence in a language has two levels of representation — a deep structure and a surface structure.


 The deep structure represents the core semantic relations of a sentence, and is mapped onto the surface structure (which follows the phonological  form of the sentence very closely) via transformations. Chomsky believed there are considerable similarities between languages' deep structures and that these reveal properties, common to all languages, that surface structures conceal. However, this may not have been the central motivation for introducing deep structure; transformations had been proposed prior to the development of deep structure as a means of increasing the mathematical and descriptive power of context-free grammars.



Similarly, deep structure was devised largely for technical reasons relating to early semantic theory. Chomsky emphasizes the importance of modern formal mathematical devices in the development of grammatical theory.


πŸ‘‰πŸ»πŸ‘‰πŸ»πŸ‘‰πŸ»πŸ‘‰πŸ»✋🏼Innate linguistic knowledge

Terms such as "transformation" can give the impression that theories of transformational generative grammar are intended as a model for the processes through which the human mind constructs and understands sentences.


Chomsky is clear that this is not in fact the case: a generative grammar models only the knowledge that underlies the human ability to speak and understand. One of the most important of Chomsky's ideas is that most of this knowledge is innate, with the result that a baby can have a large body of prior knowledge about the structure of language in general, and need only actually learn the idiosyncratic features of the language(s) it is exposed to.




Chomsky was not the first person to suggest that all languages had certain fundamental things in common (he quotes philosophers writing several centuries ago who had the same basic idea), but he helped to make the innateness theory respectable after a period dominated by more behaviorist  attitudes towards language. Perhaps more significantly, he made concrete and technically sophisticated proposals about the structure of language, and made important proposals regarding how the success of grammatical theories should be evaluated.


πŸ‘‰πŸ»πŸ‘‰πŸ»πŸ‘‰πŸ»✋🏼✍🏿Transformations

The usual usage of the term 'transformation' in linguistics refers to a rule that takes an input typically called the Deep Structure (in the Standard Theory) or D-structure (in the extended standard theory or government and binding theory) and changes it in some restricted way to result in a Surface Structure (or S-structure). In TGG, Deep structures were generated by a set of phrase structure rules.



For example, a typical transformation in TG is the operation of subject-auxiliary inversion  (SAI). This rule takes as its input a declarative sentence with an auxiliary: "John has eaten all the heirloom tomatoes." and transforms it into "Has John eaten all the heirloom tomatoes?" In their original formulation (Chomsky 1957), these rules were stated as rules that held over strings o

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