oncord, also known as agreement, may be defined as the requirement that the forms of two or more words in a syntactic relationship should agree with each other in terms of some categories. Government is another type of control over the forms of some words by other words in certain syntactic constructions. It is different from concord in that this is a relationship in which a word of certain class determines the forms of others in terms of certain category. 一致关系是指在一个给定的语言结构中，词和短语之间利用至少它们中的一个所携带的屈折形式互相匹配的句法关系。 支配关系是指句法结构中某些词的形式