句首的连贯是指文章句子的开头与连贯的关系，它被认为是被认为是深层次的连贯。这项分析技术注意句子的开头，研究主语（专业术语叫主位，姑且笼统称为“主语”）与连贯的关系，认为主语的推进直接影响篇章的质量，例如。
一．主语推进分析
1 平行推进方式（Parallel progression）
(1) Chocolates are a national craving. (2) Records show that they are sold in huge quantities-11.2 pounds per capita per year. (3) Designer chocolates often sell for nearly $30 one pound. (4) It is obvious that these candies are America’s number one choice.
我们列出这篇文章的主语:
