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From the point of view of pragmatics syntax and syntactic
mechanisms, in fact provide the native speakers with the
flexibility to use language in order to express a host of
communicative purposes. In this article, the resarcher is to investigate syntactie processes for their communicative and discoursal value. That is to state the idea that the context in which syntactic processes apply need to be framed into a dynamic paradigm, so that both speaker and hearer have their own specific role.
To do so, a distinction is functionally made between the shared knowledge of the participants and that part of message which is introduced into the discourse for the first time. There are some elements in the language which are redundant in the course of communication. Therefore all languages have
mechanisms at their disposal 10 change Ihe logical form of
sentences for the sake of shortening the linguistiic forms and accelerating efficiency.