Chapter 1, “Introduction”, provides the theoretical framework for the analyses in the subsequent chapters. Different means for representing semantic structure - logical formulas, diagrams, and geometric representations - are compared. The approach taken in this book is to employ a largely geometric representation because aspectual structure in particular requires representation with continuous dimensions. Two major constructs in conceptual semantics are introduced: semantic frames, in which conceptually presupposed semantic structure is included with the denoted concept; and construal, in which alternative conceptualizations of a single event are expressed in different grammatical constructions and lexical choices. Finally, the focus on tense-aspect constructions and argument structure constructions is motivated in terms of the principles of construction grammar.
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