句 子 成 分 主语 谓语 表语 宾语 补语 同位语 定语 状语 （1）During the 1990s, American country music has become more and more popular.（2）We often speak English in class.（3）One-third of the students in this class are girls.（4）To swim in the river is a great pleasure.（5）Smoking does harm to the health.（6）The rich should help the poor.（7）When we are going to have an English test has not been decided.（8）It is necessary to master a foreign language.一. 主语主语是一个句子所叙述的主体，一般位于句首。（名词）（代词）（数词）（不定式）（动名词）（名词化的形容词）（主语从句）（形式主语） 1. 简单谓
