英语句子结构句子是按照一定的语法规律组成的,表达一个完整的意义。一个句子一般由两部分构成,即主语部分和谓语部分,这两部分也叫做句子的主要成分。句子的次要成分包括宾语,定语,状语,表语等。句子成分是句子中起一定功用的组成部分。一句子成分分析1 主语(subject)句子的主体,全句述说的对象。一般由名词,代词,数词,不定式,动名词,从句担任,常置于句首。Professor Zhang is a famous scientist.(名词)I like football. (主格代词)Two plus five is seven. (数词)To swim in the Lijiang River is a great pleasure. (不定式)Smoking dose harm to the health. (动名词)When we are going to have an English has not been decided.(主语从句)2. 谓语(predicate)对主语加以陈述,表示主语的行为或状态,常用动词或者动词