many times等于always、often、还是usually

always,often,usually用法 often的同义词是什么?是usually还是always? nerver seldom often usually always always,often,usually 如何区别? how often和how many times usually/always/often可以替换使用吗? 关于always/usually/often的用法 always,usually.often.sometimes,seldom,分别是什么意思 always, often, usually 该如何区分? 用always、usually、often写一篇作文 频率副词排序often,usually,always,never sometimes always often usually哪一个用于现在完成时