精选优质文档-倾情为你奉上英语句子成分句子成分由词或词组充当英语的基本成分有七种：主语(subject)、谓语(predicate)、表语(predicative)、宾语(object)、定语(attribute)、状语(adverbial) 补语(complement) 主语(Subject)：一.主语 主语是一个句子所叙述的主体，一般位于句首,通常由名词性的词来充当。可由1.名词、2.代词、3.数词、4.名词化的形容词（如the rich）5.不定式、6.动名词、7.主语从句等表示。练习1. 在下面句子的主语下面划横线，并说出由什么充当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
