Halliday & Matthiessen (2004: 319):
… many of them may also occur as post–Deictic; in that case their deictic function consists rather in referring to, or even constructing, an occasion of shared experience as in a miserable few dishes of peanuts.
… many of them may also occur as post–Deictic; in that case their deictic function consists rather in referring to, or even constructing, an occasion of shared experience as in a miserable few dishes of peanuts.
In terms of the modal structure of the clause, prepositional phrases serve as Adjuncts, and in terms of experiential structure, they serve as circumstances.
… language as the expression of certain very general logical relations … the logical component defines complex units …