请问“to be questioned”在该句中的成分是什么

onetwothree

原句：The witness went on the witness stand  to be questioned by the prosecution

我自己的句型分解是 the witness是主语，went on是动词，the witness stand是宾语，by the prosecution是修饰语，我就不太清楚 to be questioned 充当什么成分
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请教一下各位朋友们。感谢每一位热心帮助的朋友

sabrina2111

后置定语  比如 a book to be read 将要读的一本书

yuqinghuaz1

主语补语

onetwothree

sabrina2111 发表于 2020-5-17 10:20
后置定语  比如 a book to be read 将要读的一本书

谢谢

deepbluedic

The witness went on the witness stand to be questioned by the prosecution.

0 D/ j* k( i! d" A- E# S' [. P"To be questioned" 是否可以理解为 动词不定式 做非谓语 表示目的。
2 [, [; j9 N* @- e5 a7 A表明目击证人走上证人席等待被询问。
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6 S2 Y: \: O3 E! D) X) ^4 q( r语句也可调整为：
To be questioned by the prosecution the witness went on the witness stand.
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mxh3698

The witness went on the witness stand  to be questioned by the prosecution
证人               走上            证人席          接受  控方           的盘问。

He  went to the cinema to watch a movie he had been looking forward for quite some time.
He went to the barber's to have his hair cut.

目的状语
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