always/often/frequently/usually/sometimes

　　Ⅰ. 这几个词都是表频度的副词，它们之间的区别可用百分比来区分：

　　(0%)→(20%)→ 70%)→(75%)→(100%)

　　从不­ —→ 有时 —→ 时常 —→ 通常 —→ 总是

　　即：never(0%)→sometimes(20%)→often/frequently(70%)→usually(75%)→always(100%)

　　Ⅱ always “永远、总是”。与进行时连用时，表“再三地、老是”等意思。有时还表“生气或不耐烦”等盛情色彩。如：

　　① The sun always rises in the east.太阳总是从东方升起。

　　② I always get up at seven o’clock. 我总是在七点钟起身。

　　③ The boy is always asking whys.这男孩老是问这问那没个完。

　　Ⅲ often “时常、常常”强调经常性。如：

　　① He often comes here to see me. 他时常到这儿来看我。

　　② We have often been there.

　　Ⅲ frequently “时常、屡次”常与often 通用。但它强调次数频繁。如：

　　① Business frequently brings him to Shanghai.他时常因事到上海去。

　　② He frequently comes here to see her.他时常到这儿来看她。

　　Ⅳ usually “经常”其动作频率仅次于always.常常与一般过时，一般现在时连用。

　　① I usually get up at six in the morning.

　　Ⅴ never “从不”是否定副词。常常与完成时连用。

　　① I have never been to the Great Wall.

　　② She said she had never gone there.频繁ten uently "es here to see me. t.uently(70%)→usually(75%)→always(100%)