In the course of writing such grammars, a number of problemsarose which could not be solved by the methods proposed by Bloomfield. So an enormous amount of attention was paid to the refinement of analytical techniques.For many, the ultimate goal of linguistics was the perfection of discovery procedures–a set of principles which would enable a linguist to ‘discover’ (or perhaps more accurately, ‘uncover’) in a foolproof way the linguistic units of an unwritten language. Because of their overriding interest in the internal pattern of ‘structure’ of the language, such linguists are sometimes labeled ‘structuralists