always和often的问题

often和always的区别? often和usuallu always的区别 more often than not 和usually ,often,always的区别 always和often和usually哪个的使用频率最高? 关于3L和新概念的问题——请问关于频率的词（sometimes、often、always等）出现在哪一册的哪一课啊? 关于always/usually/often的用法 always,often的反义词分别是什么 usually often always的区别 求详细 often usually never always的关系是什么 always usually often 的区别在什么地方 求助sometimes,always,often,usually,的用法和区别,越详细越好,要例子~~ 带often,never,sometimes,always的句子什么时候用一般现在时,现在进行时和一般过去时