句子成分 构成句子的基本成分 Consituent(成分)主语谓语表语宾语Consituent(成分)补语定语同位语状语Form(形式) 短语句子PART TWO主语主语是一个句子所叙述的主体，表示句子说的是“什么人”或“什么事物”。陈述句：句首或谓语之前1. During the 1990s, American country music has become more and more popular.Find out the Subject in following sen...