It was the last time that she had come into this mountain village to see the chidren 中用come为什么

It was the last time that she had come into this mountain village to see the chidren 中用come为什么

题目
It was the last time that she had come into this mountain village to see the chidren 中用come为什么
答案
这里的come其实是过去分词,动词come的过去式是came,但是过去分词跟原型是一样的,都是come.had+done(过去分词),所以是had come.
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