Compléter M. A. K. HallidayVersion en ligne "A rich and adaptable instrument" par Nathalie García 1 model child models model Language language variety educational child model models functions child´s linguistics dominant model Language child In an context the problem for is to elaborate some account of language that is relevant to the work of the English teacher . Perhaps the simplest of the of language , and one of the first to be evolved , is what we may call the instrumental . The becomes aware that language is used as a means of getting things done . as an instrument of control has another side to it , since the is well aware that language is also a means whereby others exercise control over him . Closely related to the instrumental , therefore is the regulatory model of language . This refers to the use of language to regulatory behavior of others . is used to define and consolidate the group , to include and to exclude , showing who is the one of us and who is nor , no impose status , and to contest status that is imposed and humor , ridicule , deception , persuasion , all the forensic and theatrical arts of language are bought into play . The was heuristic of language derived from his knowledge of how language has enable him to explore his environment . The it is very easily for the adult , when he attempts to formulate his ideas about the nature of , to be simple unaware of most of what language means to the child ; this is not because he no longer uses language in the same of different , but because only one of these functions in general , is the subject of conscious attentions , so that the corresponding is the only to be externalized .