For those parents who wonder how and when they should start allowing their kids more freedom
问题描述：
For those parents who wonder how and when they should start allowing their kids more freedom
句中的疑问词 怎么个意思 怎么个用法 这是什么类型的句子
答
For those parents who（who引导定语从句,修饰parents）
wonder how and when（how 和when引导宾语从句,做wonder的宾语）
they should start allowing their kids more freedom
整句话都是做for的宾语,意思是：
有些家长想知道应该什么时候,以何种方式给予自己的孩子更多的*,对他们来说...