题目内容：

请问频率副词在否定句中时候可以掷后?
如I don't watch television usually

优质解答

1.频率副词是表示与次数,频率有关的副词,如:always(总是),usually(经常),sometimes(有时),seldom(不常),once(一次),twice(两次)等.2.频率副词用在BE后.It is usually hot in summer.夏天天气通常是热的.3.频率副词用...