分句(Clause)是建立在词组基础上的语法单位。 所谓分句就是“主语(Subject)+谓语 (Predicate)”的语法构造。这就是说,并不是 任何一串词组都可以成为分句,只有当这些词 组结合成为“主语+谓语”的结构时,这才算是 分句。比如下面这一连串词组 the tale, three legs in the room并不能说明什么,因为它们没有结成 主谓关系,因而不是分句
Grammar is the structural system of a language. The grammar of English is organized into five ranks: the sentence, the clause, the phrase, the word and the morpheme. Each rank is composed of one or more than one grammatical unit of the immediate lower unit. A full sentence can generally be segmented rank by rank down to its smallest constituents---the morphemes