语法：always是含有肯定意义的程度副词，其基本意思是指某个行为发生频率的百分之百或某种状态存在的自始至终。例句： We will always remember …
书上是对sometimes的讲解，always也是频率副词，用法一样。 e.g. He always gets up at 7:00 a.m. He never gets up early. e.g. He is always late …