why do you often go to the park?是to take pictures,还是taking pictures

问题描述:

why do you often go to the park?是to take pictures,还是taking pictures

用 to take pictures.
因为表示目的时通常用不定式表示,例如:be to do sth.
题目可以这样理
---why do you often go to the park?
(Are you go to the park) to take pictures?