精选优质文档-倾情为你奉上英语句子成分讲解一、主语（subject）:句子说明的人或事物。The sun rises in the east. (名词)He likes dancing. (代词)Twenty years is a short time in history. (数词)Seeing is believing. (动名词)To see is to believe. (不定式)What he needs is a book. (主语从句)It is very clear that the elephant is round and tall like a tree.(It形式主语，主语从句是真正主语)二、谓语（predicate）:说明主语的动作、状态和特征。We study English.He is asleep.三、表语（predicative）:系动词之后的成分，表示主语的性质、状态和特征。He is a teacher. (名词)Seventy-four! You dont look it
