when do you think we shall leave for shanghai?如何分析这个句子结构

问题描述:

when do you think we shall leave for shanghai?如何分析这个句子结构

do you think 插入成分
wh-疑问词 + do you think \suppose\ expect\ believe\ imagine\ guess
+ 陈述语序
明白?
本来是when shall we leave for shanghai?但加入插入成分 要改变语序
答案不能更好了,