when goes to school

Question

When do you think he goes to school?这句话就是感觉很怪,不就有两个疑问词了吗?
如果是原句,比如：I think he goes to school at 7 o'clock.
提问不就是Do you think he goes to school at 7 o'clock?就只有一个疑问词“Do”
但上述第一个句子感觉又有“When”又有“Do”

Answer 1

这里的do you think做插入语,后面的句子要用陈述语序
其实还是When he goes to school