I have come to China for three years.为什么不是I have came to China for three years

题目

I have come to China for three years.为什么不是I have came to China for three years

答案

Have + 动词分词.
表示某件事情持续了一段时间.
“我在中国”这件事已经持续了三年,所以是have+动词分词形式
come的过去式是came
过去分词是come