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

6 G2 S# P8 P" r$ m7 a9 L' X* N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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) ~/ V$ T1 I( C  m! R6 u5 B; C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
; q( i! \% L& I8 ^& J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.
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"To be questioned" 是否可以理解为 动词不定式 做非谓语 表示目的。
$ B  n" q1 q/ b6 L4 L表明目击证人走上证人席等待被询问。

语句也可调整为：
To be questioned by the prosecution the witness went on the witness stand.

mxh3698

The witness went on the witness stand  to be questioned by the prosecution
1 O; n. z8 B, O6 f' @! X# G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.
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! O1 ~* i0 H+ J7 g, W8 c- q+ t目的状语
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