do/does的用法：在同在—句子中既做实义动词又做助动词时：

Question

do/does的用法：
在同在—句子中既做实义动词又做助动词时：

Answer 1

例如：
How often do you do exercises?Once a week.
How often does he/she do exercises?Once a week.
often 后面的do/does是助动词,exercises前边的do是实意动词“做”
足够明白吗?