频率副词后面的动词应该加什么形式（频率副词后面加动词原形还是ing）

答案：

频度副词就是：often (经常）, usually (通常), sometimes (有时）, always (总是）, never (从不）等等表示频率的副词。

频度副词后的动词可以是动词的任何形式,具体什么形式和频度副词本身没有关系。

1、I have never been to the moon.

2、He sometimes goes to school by bike.

3、She often went to school on foot last year.