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
! }3 h1 O: I0 P* U: j
9 Z8 i$ W0 Y" d% m: q+ |- E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
" E! x0 z5 J% G/ @! |
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.
& O6 {- [6 e) C' v0 A; v
"To be questioned" 是否可以理解为 动词不定式 做非谓语 表示目的。
表明目击证人走上证人席等待被询问。
) k1 n2 V8 E! S  O
; ^* F, T7 B3 Q3 p0 k( Y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
8 n# S9 I/ @6 B2 P$ ~0 n: ]证人               走上            证人席          接受  控方           的盘问。

# L2 B- P) @* a4 nHe  went to the cinema to watch a movie he had been looking forward for quite some time.
# K) D: Y, M2 F5 VHe went to the barber's to have his hair cut.
  M+ a) w, E7 W- [- A# H
目的状语