1.1.2. Planes of discourse (fig. 1). Recent work by linguists in the analysis of discourse differentiates the planes of discourse into three (see Chapter 21): background, foreground and frontground. These three planes are depicted below as a case of books (background), against which one shelf is featured (foreground), and a single book is selected (frontground). The aorist is the background tense, which forms the basis for the discourse; the present is the foreground tense, which introduces significant
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