He was the first to pass the finishing line.分析英语句子成分。。。

Question

He was the first to pass the finishing line.这句里的to pass做什么成分
There was a police officer standing by me. standing 做什么成分
各位大神拜托了。。。。。。。。

Answer 1

你好，很乐意给你解答我比较擅长的英文：
这两个句子成分是一样的，都叫定语，定语是用来修饰表语或宾语。比如to pass the finishing line就是修饰was the first的，也可用中文理解：他是第一名。是什么的第一名呢？是第一个过线的。
下面句话也是这么理解。那个警察是站在我身旁的警察。

希望能帮上你！也欢迎追问，愿意为你解答！

Answer 2

您好，很高兴为您解答：

He was the first to pass the finishing line.这句里的to pass做什么成分
He 主语
was 系动词
the first 表语
to pass the finishing line 不定式短语作定语修饰表语

There was a police officer standing by me. standing 做什么成分
There be句型中，there be sb doing sth = Sb be doing sth.
主语是a police officer，谓语was standing， 状语by me

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Answer 3

作谓语！ was the first 作定语！ the finishing line 作宾语 。

standing 做动名词！

句子格式我告诉你就是主谓宾，或者主动宾

Answer 4

不定式to pass做定语，修饰the first (one)。例如： It is his job  to get the information.

现在分词to pass做做定语，修饰a police officer 。 例如: He is the man talking to her just now.