题目内容：

一个改错题如下：I think friends are those people can help you when you were in trouble .
这个句子有2处错误!希望可以非常详细的解析!句子成分,语法 结构

优质解答

Correct：I think friends are those people who can help you when you are in trouble.
首先这个句子的时态你要搞清楚了.
people who can……这是定语从句,做的是people的定语,在定语从句中,who是从句中的主语,help是从句中的谓语动词.
这就是个定语从句.你还有什么不明白的.