精选优质文档-倾情为你奉上句子成分: 主语、谓语、表语、宾语、定语、状语、补足语和同位语一、主语: 主语是一个句子所叙述的主体,一般位于句首。但在there be结构、疑问句(当主语不是疑问词时)和倒装句中,主语位于谓语、助动词或情态动词后面。主语可由名词、代词、数词、不定式、动名词、名词化的形容词和主语从句等表示。例如:During the 1990s, American country music has become more and more popular. (名词)We often speak English in class. (代词)One-third of the students in this class are girls. (数词)To swim in the river is a great pleasure. (不定式短语)Smoking does harm to the health. (动名词)The rich should help the poor. (名词化的形容词)When we are goin
