Finally, SV domain matrix and SV matrix domain would explain the boundary from weakening to loss as the function between subject and predicate has changed after SV Constructions lexicalize into basic words. 最后当主谓结构演变为基本词汇后,主语与谓语之间的功能发生变化,它们之间界线淡化并消失,这一过程可以用SV域包孕与SV包孕域进行解释。