usually sometimes always ofen never 它们有什么区别?和具体用法

usually sometimes always ofen never 它们有什么区别?和具体用法

都是频度副词,多用于一般现在时,具体如下：
usually 通常；sometimes 有时；always 总是,一直；often 经常；never 从不.排列顺序为 never sometimes usually often always 依次递增.