when did you started learn English started后为什么不加learning
问题描述：
when did you started learn English started后为什么不加learning
答
这是谁写的句子?如果是书上,那么这个编辑者肯定没有校对好.
When did you start learning English?
先不说start后面要加doing,单是疑问句did提前了,后面不可能用动词的过去式这点都不对啊.
O(∩_∩)O谢谢!