have come to know为什么是come为什么不是have came to know呢?
问题描述:
have come to know为什么是come
为什么不是have came to know呢?
答
come came come
答
come的过去式是came,过去分词是come
在这里是完成时态,用完成时态中的过去分词,所以是have come to know