always ,often,usually,sometimes之类的词可以放在句末吗

always,often,usually用法 often和always nerver seldom often usually always usuall very agreeable he___busy.is always/ always is /seldom is/ often is usually/always/often可以替换使用吗? always usually often 的区别在什么地方 usually often always的区别 求详细 sometimes often usually always never 造句 always,usually.often.sometimes,seldom,分别是什么意思 often、usually、always、every可不可以用作过去式? many times等于always、often、还是usually 频率副词排序often,usually,always,never always,often的反义词分别是什么 用always、usually、often写一篇作文 sometimes always often usually哪一个用于现在完成时 often和usuallu always的区别 often,always,sometimes 在句中有哪些规律