从图片可以很明显地看到，这些频度副词所表示的动作频率从高到低依次递减，always频次最高，而never就是“从不”~
举个例子
always
He always goes to school at 8 o'clock everyday.
他每天总是8点钟去上学。
那可不，迟到可是要罚站的呢~
usually
He usually goes to school by bus.
他通常乘公交车去上学。
是不是有时候也蹭粑粑麻麻的车啊
frequently
This question is frequently asked.
这个问题屡次被提出。
often
My parents often take me to the zoo on weekends.
我父母常常在周末带我去动物园。
sometimes
Sometimes they play football on Saturday afternoon.
他们有时在星期六下午踢足球。
occasionally
Occasionally I go to bed late.
有时候我睡觉比较晚。
rarely
I rarely go to the gym.
我很少去健身馆。
seldom
We seldom go to school by bus. We usually go there by bike.
我们很少乘车去上学，我们通常是骑车去。
hardly ever