答:这四个副词sometimes(有时), always (总是), often (经常), usually (通常)都是频度副词.但是它们所表示的动作频率不同。
用百分比排列它们的顺序是:always>usually>often>sometimes.
通常说来
always表示100%
usually表示80%
often表示60%
sometimes表示40%。
例句:
I always get up at six in the morning. 我总是早上六点钟起床。
She usually goes to school on foot. 她通常走路去上学。
Mike often plays tennis with his friends. 迈克经常和他的朋友大网球。
Sometimes I do someshopping onTuesday. 有时候我周二去购物。