有关英语频率副词的理解
频率指的是某件事发生的时间多久或次数。某事多久做一次可以用不定副词和确定的名词短语来描述。最常见的不定副词是:always, usually, often, sometimes, rarely和never。
副词 | 代表的频率 |
always | 百分之百的时间(或几乎100%). |
usually | 大约80%的时间. |
often | 超过一半时间 |
sometimes | 少于一半的时间 |
rarely | 大约20%的时间. |
never | 从来不 |
“It is always sunny in Southern California.”
南加州总是阳光明媚。
“People usually go to church on Sunday morning.”
人们通常在星期天早上去教堂。
“I often watch television on Saturday night.”
我经常在星期六晚上看电视。
“Stephen sometimes misses classes in the afternoon.”
斯蒂芬下午有时会缺课。
“There is rarely enough time in a week to get everything done.”
一周很少有足够的时间把所有事情做完。
“I have never been to Wyoming, but I hear it is a nice place.”
我从没去过怀俄明，但我听说那是个好地方。
第二种谈论频率的方法是使用固定的名词短语。这些短语准确地表达了某件事发生的频率。例如，“一天三次three times a day”、“一个月两次twice a month”、“一年一次once a year”:
“You should take this medicine three times a day.”
你应该一天吃三次药。
“That magazine is published twice a month.”
那本杂志一个月出版两次。
“The committee is scheduled to meet once a year.”
委员会计划每年开会一次。