.You should put forward(提出)the questions at the meeting.改为被动语态
问题描述：
.You should put forward(提出)the questions at the meeting.改为被动语态
答
You should put forward the questions at the meeting. 你应该在会议上提出这些问题。
被动中不能没有被动语态的be也不能忘记强调要提出问题的是你，所以一楼二楼的回答并非很恰当
The questions should be put forward by you at the meeting. 这些问题应该在会议上被你提出。
答
The questions should put forward by you at the meeting
答
The questions should be put forword at the meeting .