Abstract: Predicate plays an important role in syntax.Linguists try to explain it from different perspectives.This paper adopts the theory of foregrounding and holds that the choice of predicate in a syntactic structure is decided by how people observe,perceive and construe the state of affairs.It is the peculiar way to link the different participants after the focus of attention is decided.The salient participant makes the foregrounding of the sentence change and the choice of predicate changes with it.Therefore,the...