Polar interrogative sentences differ from declarative sentences in terms of illocutionary forces and the linguistic analysis of their meaning. It is possible to isolate small numbers of syntactic and semantic categories and an unlimited number of illocutionary forces resulting from their interaction with the total situation. (CK)

Demonstrates through an examination of naturally occurring discourse that Wh-Clefts and It-Clefts are not interchangeable; they have highly specialized distributions and functions. (EJS)

An initial description of the links between cognitive input, discourse rules, and the rules of sentence grammar is made, based on a technique developed for observing the translation of cognitive input into language in a spontaneous, practical speech event: descriptions of the lay-outs of apartments. (Author/RM)