as often as引导什么句子

"as often as" 这个短语通常引导一个表示频率的句子，用来表达某事发生的频率非常高。其基本结构是：

as often as + 主语 + 动词（过去式） + as

例如：

I go to the gym as often as three times a week.

He visits his grandparents as often as he can.

这里的“as often as”表示“像……一样频繁”，后面跟的是一个与“as”呼应的句子，用来具体说明频率。