精选优质文档-倾情为你奉上一、句子成分组成句子的各个部分叫句子成分。英语句子成分有主语,谓语,宾语,宾语补足语,表语,定语,状语等。顺序一般是主语,谓语,宾语,宾语补足语,而表语,定语,状语的位置要根据情况而定。1、 主语:主语表示句子主要说明的人或事物,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。During the 1990s, American country music has become more and more popular.(名词)We often speak English in class.(代词)One-thirdof the students in this class are girls.(数词)To swim in the river is a great pleasure.(不定式)Smoking does harm to the health